Differences

This shows you the differences between two versions of the page.

--- thinkgeo.mapsuite.wpfdesktopedition.openstreetmapoverlay [2015/09/18 03:14]
admin
+++ thinkgeo.mapsuite.wpfdesktopedition.openstreetmapoverlay [2017/03/16 21:59] (current)
@@ Line 1: / Line 1: @@
 ====== ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay ======
+{{section>upgrade_map_suite_to_10.0}}
 This class represents an overlay that requesting images from OpenStreet Map Service.
 ===== Inheritance Hierarchy =====
@@ Line 10: / Line 13: @@
 ** {{wiki:PublicMethod.gif|}} OpenStreetMapOverlay() **
-This is constructore of OpenStreetMapOverlay.
+  * //This is constructore of OpenStreetMapOverlay.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OpenStreetMapOverlay.28.29//
 == Parameters ==
 <div newline></div>
 ** {{wiki:PublicMethod.gif|}} OpenStreetMapOverlay(WebProxy) **
-This is constructore of OpenStreetMapOverlay.
+  * //This is constructore of OpenStreetMapOverlay.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OpenStreetMapOverlay.28WebProxy.29//
 == Parameters ==
   * //webProxy//
@@ Line 30: / Line 33: @@
 ** {{wiki:PublicMethod.gif|}} Refresh(IEnumerable<RectangleShape>) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here://
 == Return Value ==
@@ Line 46: / Line 49: @@
 ** {{wiki:PublicMethod.gif|}} Refresh(TimeSpan) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#Refresh.28TimeSpan.29//
 == Return Value ==
@@ Line 62: / Line 65: @@
 ** {{wiki:PublicMethod.gif|}} Refresh(TimeSpan,RequestDrawingBufferTimeType) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here://
 == Return Value ==
@@ Line 82: / Line 85: @@
 ** {{wiki:PublicMethod.gif|}} Refresh(RectangleShape,TimeSpan) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#Refresh.28RectangleShape.2C_TimeSpan.29//
 == Return Value ==
@@ Line 102: / Line 105: @@
 ** {{wiki:PublicMethod.gif|}} Refresh(RectangleShape,TimeSpan,RequestDrawingBufferTimeType) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here://
 == Return Value ==
@@ Line 126: / Line 129: @@
 ** {{wiki:PublicMethod.gif|}} Refresh(IEnumerable<RectangleShape>,TimeSpan) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here://
 == Return Value ==
@@ Line 146: / Line 149: @@
 ** {{wiki:PublicMethod.gif|}} Refresh(IEnumerable<RectangleShape>,TimeSpan,RequestDrawingBufferTimeType) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here://
 == Return Value ==
@@ Line 170: / Line 173: @@
 ** {{wiki:PublicMethod.gif|}} Initialize(MapArguments) **
-N/A
+  * //This method initializes overlay object.//
 == Remarks ==
-N/A
+  * //This is a wrapper method for the virtual method InitializeCore.//
 == Return Value ==
@@ Line 181: / Line 184: @@
   * //mapArguments//
     * Type:[[ThinkGeo.MapSuite.WpfDesktopEdition.MapArguments|MapArguments]]
-    * Description:N/A
+    * Description:This parameter maintains current map information for calculating mechanism.
 <div newline></div>
 ** {{wiki:PublicMethod.gif|}} Refresh(RectangleShape) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#Refresh.28RectangleShape.29//
 == Return Value ==
@@ Line 202: / Line 205: @@
 ** {{wiki:PublicMethod.gif|}} Refresh() **
-N/A
+  * //This method refreshes all the content in the OverlayCanvas. For example, LayerOverlay with multiple tiles; when the style of one layer is changed, call Refresh to refresh all the tiles to accept new styles.//
 == Remarks ==
-N/A
+  * //The difference from Draw() method is that Refresh() method refreshs all the elements while Draw() does not.//
 == Return Value ==
@@ Line 214: / Line 217: @@
 ** {{wiki:PublicMethod.gif|}} Close() **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#Close.28.29//
 == Return Value ==
@@ Line 226: / Line 229: @@
 ** {{wiki:PublicMethod.gif|}} Open() **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#Open.28.29//
 == Return Value ==
@@ Line 238: / Line 241: @@
 ** {{wiki:PublicMethod.gif|}} Draw(RectangleShape) **
-N/A
+  * //This method draws the overlay with the provided extent in world coordinate.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#Draw.28RectangleShape.29//
 == Return Value ==
@@ Line 249: / Line 252: @@
   * //targetExtent//
     * Type:[[ThinkGeo.MapSuite.Core.RectangleShape|RectangleShape]]
-    * Description:N/A
+    * Description:This parameter indicates an extent in world coordinate for drawing the overlay.
 <div newline></div>
 ** {{wiki:PublicMethod.gif|}} Draw(RectangleShape,OverlayRefreshType) **
-N/A
+  * //This method draws the overlay with the provided extent in world coordinate.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#Draw.28RectangleShape.2C_OverlayRefreshType.29//
 == Return Value ==
@@ Line 265: / Line 268: @@
   * //targetExtent//
     * Type:[[ThinkGeo.MapSuite.Core.RectangleShape|RectangleShape]]
-    * Description:N/A
+    * Description:This parameter indicates an extent in world coordinate for drawing the overlay.
   * //refreshType//
     * Type:[[ThinkGeo.MapSuite.WpfDesktopEdition.OverlayRefreshType|OverlayRefreshType]]
-    * Description:N/A
+    * Description:This parameter indicates whether the elements of this overlay needs to be refreshed. For example, TileOverlay is formed by tiles. When panning the map around, the existing tile doesn't need to be redraw, the only thing we need to do is modifying the position of these tiles. On another hand, when click to change the style of the overlay, we need to redraw the tile images to change the appearance. So we need refresh mode.
 <div newline></div>
 ** {{wiki:PublicMethod.gif|}} PanTo(RectangleShape) **
-N/A
+  * //This method pans the overlay to the provided world extent.//
 == Remarks ==
-N/A
+  * //Some overlay doesn't need to continously drawing all the tile. For example, MarkerOverlay is formed by markers. When mouse down to pan, the markers don't need to redraw, we can only change its position. When mouse up to end panning, we can redraw the overlay for better performance.//
 == Return Value ==
@@ Line 285: / Line 288: @@
   * //targetExtent//
     * Type:[[ThinkGeo.MapSuite.Core.RectangleShape|RectangleShape]]
-    * Description:N/A
+    * Description:This parameter is the target world extent for panning.
 <div newline></div>
 ** {{wiki:PublicMethod.gif|}} GetBoundingBox() **
-N/A
+  * //This method gets a bounding box of the Overlay.//
 == Remarks ==
-N/A
+  * //This method is the concrete wrapper for the abstract method GetBoundingBoxCore. This method returns the bounding box of the Overlay. As this is a concrete public method that wraps a Core method, we reserve the right to add events and other logic to pre- or post-process data returned by the Core version of the method. In this way, we leave our framework open on our end, but also allow you the developer to extend our logic to suit your needs. If you have questions about this, please contact our support team as we would be happy to work with you on extending our framework.//
 == Return Value ==
   * Type:[[ThinkGeo.MapSuite.Core.RectangleShape|RectangleShape]]
-  * Description:N/A
+  * Description:A RectangleShape indicating the bounding box of this overlay
 == Parameters ==
@@ Line 302: / Line 305: @@
 ** {{wiki:PublicMethod.gif|}} SaveState() **
-N/A
+  * //This method saves overlay state to a byte array.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#SaveState.28.29//
 == Return Value ==
   * Type:Byte[]
-  * Description:N/A
+  * Description:A byte array indicates current overlay state.
 == Parameters ==
@@ Line 314: / Line 317: @@
 ** {{wiki:PublicMethod.gif|}} LoadState(Byte[]) **
-N/A
+  * //This method restore the overlay state back from the specified state.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here://
 == Return Value ==
@@ Line 325: / Line 328: @@
   * //state//
     * Type:Byte[]
-    * Description:N/A
+    * Description:This parameter indicates the state for restore the overlay.
 <div newline></div>
 ** {{wiki:PublicMethod.gif|}} Dispose() **
-N/A
+  * //This method dispose unmanaged resource used in this class.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#Dispose.28.29//
 == Return Value ==
@@ Line 342: / Line 345: @@
 ** {{wiki:PublicMethod.gif|}} ToString() **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#ToString.28.29//
 == Return Value ==
@@ Line 354: / Line 357: @@
 ** {{wiki:PublicMethod.gif|}} Equals(Object) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#Equals.28Object.29//
 == Return Value ==
@@ Line 370: / Line 373: @@
 ** {{wiki:PublicMethod.gif|}} GetHashCode() **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#GetHashCode.28.29//
 == Return Value ==
@@ Line 382: / Line 385: @@
 ** {{wiki:PublicMethod.gif|}} GetType() **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#GetType.28.29//
 == Return Value ==
@@ Line 395: / Line 398: @@
 ** {{wiki:ProtectedMethod.gif|}} GetTileCore() **
-This method gets a concrete tile class to form this overlay.
+  * //This method gets a concrete tile class to form this overlay.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#GetTileCore.28.29//
 == Return Value ==
@@ Line 407: / Line 410: @@
 ** {{wiki:ProtectedMethod.gif|}} CloseCore() **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#CloseCore.28.29//
 == Return Value ==
@@ Line 419: / Line 422: @@
 ** {{wiki:ProtectedMethod.gif|}} OpenCore() **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OpenCore.28.29//
 == Return Value ==
@@ Line 431: / Line 434: @@
 ** {{wiki:ProtectedMethod.gif|}} DrawTileCore(Tile,RectangleShape) **
-This method overrides from its base class TileOverlay. It actually requests image for the passed tile with the passed world extent.
+  * //This method overrides from its base class TileOverlay. It actually requests image for the passed tile with the passed world extent.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#DrawTileCore.28Tile.2C_RectangleShape.29//
 == Return Value ==
@@ Line 451: / Line 454: @@
 ** {{wiki:ProtectedMethod.gif|}} GetDrawingCellsCore(RectangleShape) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#GetDrawingCellsCore.28RectangleShape.29//
 == Return Value ==
@@ Line 467: / Line 470: @@
 ** {{wiki:ProtectedMethod.gif|}} GetBoundingBoxCore() **
-This method gets a world extent for holding the entire OpenStreed map.
+  * //This method gets a world extent for holding the entire OpenStreed map.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#GetBoundingBoxCore.28.29//
 == Return Value ==
@@ Line 479: / Line 482: @@
 ** {{wiki:ProtectedMethod.gif|}} SaveStateCore() **
-This method saves overlay state to a byte array.
+  * //This method saves overlay state to a byte array.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#SaveStateCore.28.29//
 == Return Value ==
@@ Line 491: / Line 494: @@
 ** {{wiki:ProtectedMethod.gif|}} LoadStateCore(Byte[]) **
-This method restore the overlay state back from the specified state.
+  * //This method restore the overlay state back from the specified state.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here://
 == Return Value ==
@@ Line 507: / Line 510: @@
 ** {{wiki:ProtectedMethod.gif|}} OnSendingWebRequest(SendingWebRequestEventArgs) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnSendingWebRequest.28SendingWebRequestEventArgs.29//
 == Return Value ==
@@ Line 523: / Line 526: @@
 ** {{wiki:ProtectedMethod.gif|}} OnSentWebRequest(SentWebRequestEventArgs) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnSentWebRequest.28SentWebRequestEventArgs.29//
 == Return Value ==
@@ Line 539: / Line 542: @@
 ** {{wiki:ProtectedMethod.gif|}} GBQ=(RectangleShape) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //N/A//
 == Return Value ==
@@ Line 555: / Line 558: @@
 ** {{wiki:ProtectedMethod.gif|}} HBQ=(QhY=) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //N/A//
 == Return Value ==
@@ Line 571: / Line 574: @@
 ** {{wiki:ProtectedMethod.gif|}} DrawCore(RectangleShape,OverlayRefreshType) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#DrawCore.28RectangleShape.2C_OverlayRefreshType.29//
 == Return Value ==
@@ Line 591: / Line 594: @@
 ** {{wiki:ProtectedMethod.gif|}} PrefillDataToTiles(IEnumerable<Tile>) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here://
 == Return Value ==
@@ Line 607: / Line 610: @@
 ** {{wiki:ProtectedMethod.gif|}} PrefillDataToTilesCore(IEnumerable<Tile>) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here://
 == Return Value ==
@@ Line 623: / Line 626: @@
 ** {{wiki:ProtectedMethod.gif|}} RefreshCore() **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#RefreshCore.28.29//
 == Return Value ==
@@ Line 635: / Line 638: @@
 ** {{wiki:ProtectedMethod.gif|}} OnDrawTilesProgressChanged(DrawTilesProgressChangedTileOverlayEventArgs) **
-N/A
+  * //Occurs when Tiles' download progress is changed.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnDrawTilesProgressChanged.28DrawTilesProgressChangedTileOverlayEventArgs.29//
 == Return Value ==
@@ Line 646: / Line 649: @@
   * //args//
     * Type:[[ThinkGeo.MapSuite.WpfDesktopEdition.DrawTilesProgressChangedTileOverlayEventArgs|DrawTilesProgressChangedTileOverlayEventArgs]]
-    * Description:N/A
+    * Description:Event arguments for DownloadProgress event.
 <div newline></div>
 ** {{wiki:ProtectedMethod.gif|}} OnDrawingTile(DrawingTileTileOverlayEventArgs) **
-N/A
+  * //This method raises before a tile is drawing.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnDrawingTile.28DrawingTileTileOverlayEventArgs.29//
 == Return Value ==
@@ Line 662: / Line 665: @@
   * //args//
     * Type:[[ThinkGeo.MapSuite.WpfDesktopEdition.DrawingTileTileOverlayEventArgs|DrawingTileTileOverlayEventArgs]]
-    * Description:N/A
+    * Description:This is an event argument for DrawingTile event.
 <div newline></div>
 ** {{wiki:ProtectedMethod.gif|}} OnDrawnTile(DrawnTileTileOverlayEventArgs) **
-N/A
+  * //This method raises after a tile is drawn.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnDrawnTile.28DrawnTileTileOverlayEventArgs.29//
 == Return Value ==
@@ Line 678: / Line 681: @@
   * //args//
     * Type:[[ThinkGeo.MapSuite.WpfDesktopEdition.DrawnTileTileOverlayEventArgs|DrawnTileTileOverlayEventArgs]]
-    * Description:N/A
+    * Description:This is an event argument for DrawnTile event.
 <div newline></div>
 ** {{wiki:ProtectedMethod.gif|}} DrawTile(Tile,RectangleShape) **
-N/A
+  * //Redraws a specified tile with the provided world extent.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#DrawTile.28Tile.2C_RectangleShape.29//
 == Return Value ==
@@ Line 694: / Line 697: @@
   * //tile//
     * Type:[[ThinkGeo.MapSuite.WpfDesktopEdition.Tile|Tile]]
-    * Description:N/A
+    * Description:A Tile object that is created by the GetTile() method to draw.
   * //targetExtent//
     * Type:[[ThinkGeo.MapSuite.Core.RectangleShape|RectangleShape]]
-    * Description:N/A
+    * Description:A world extent for drawing the passed tile.
 <div newline></div>
 ** {{wiki:ProtectedMethod.gif|}} Dispose(Boolean) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#Dispose.28Boolean.29//
 == Return Value ==
@@ Line 719: / Line 722: @@
 ** {{wiki:ProtectedMethod.gif|}} InitializeCore(MapArguments) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#InitializeCore.28MapArguments.29//
 == Return Value ==
@@ Line 735: / Line 738: @@
 ** {{wiki:ProtectedMethod.gif|}} GetDrawingCells(RectangleShape) **
-N/A
+  * //This method gets the cells for drawing in the passed world extent.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#GetDrawingCells.28RectangleShape.29//
 == Return Value ==
   * Type:Dictionary<String,[[ThinkGeo.MapSuite.Core.TileMatrixCell|TileMatrixCell]]>
-  * Description:N/A
+  * Description:A dictionary of cells for drawing in the passed world extent.
 == Parameters ==
   * //targetExtent//
     * Type:[[ThinkGeo.MapSuite.Core.RectangleShape|RectangleShape]]
-    * Description:N/A
+    * Description:A world extent for getting the drawing cells.
 <div newline></div>
 ** {{wiki:ProtectedMethod.gif|}} GetTileMatrix(Double,Int32,Int32,GeographyUnit) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#GetTileMatrix.28Double.2C_Int32.2C_Int32.2C_GeographyUnit.29//
 == Return Value ==
@@ Line 779: / Line 782: @@
 ** {{wiki:ProtectedMethod.gif|}} DrawException(GeoCanvas,Exception) **
-N/A
+  * //This method will draw on the canvas when the layer.Draw throw exception and the DrawExceptionMode is set to DrawException instead of ThrowException.//
 == Remarks ==
-N/A
+  * //This method can be overriden its logic by rewrite the DrawExceptionCore.//
 == Return Value ==
@@ Line 790: / Line 793: @@
   * //canvas//
     * Type:[[ThinkGeo.MapSuite.Core.GeoCanvas|GeoCanvas]]
-    * Description:N/A
+    * Description:The target canvas to draw the layer.
   * //e//
     * Type:Exception
-    * Description:N/A
+    * Description:The exception thrown when layer.Draw().
 <div newline></div>
 ** {{wiki:ProtectedMethod.gif|}} DrawExceptionCore(GeoCanvas,Exception) **
-N/A
+  * //This method will draw on the canvas when the layer.Draw throw exception and the DrawExceptionMode is set to DrawException instead of ThrowException.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#DrawExceptionCore.28GeoCanvas.2C_Exception.29//
 == Return Value ==
@@ Line 810: / Line 813: @@
   * //canvas//
     * Type:[[ThinkGeo.MapSuite.Core.GeoCanvas|GeoCanvas]]
-    * Description:N/A
+    * Description:The target canvas to draw the layer.
   * //e//
     * Type:Exception
-    * Description:N/A
+    * Description:The exception thrown when layer.Draw().
 <div newline></div>
 ** {{wiki:ProtectedMethod.gif|}} OnDrawingException(DrawingExceptionTileOverlayEventArgs) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnDrawingException.28DrawingExceptionTileOverlayEventArgs.29//
 == Return Value ==
@@ Line 835: / Line 838: @@
 ** {{wiki:ProtectedMethod.gif|}} OnDrawnException(DrawnExceptionTileOverlayEventArgs) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnDrawnException.28DrawnExceptionTileOverlayEventArgs.29//
 == Return Value ==
@@ Line 851: / Line 854: @@
 ** {{wiki:ProtectedMethod.gif|}} OnStartingThread(StartingThreadTileOverlayEventArgs) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //N/A//
 == Return Value ==
@@ Line 867: / Line 870: @@
 ** {{wiki:ProtectedMethod.gif|}} OnTileTypeChanged(TileTypeChangedTileOverlayEventArgs) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here://
 == Return Value ==
@@ Line 883: / Line 886: @@
 ** {{wiki:ProtectedMethod.gif|}} IhQ=(RectangleShape,Double) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //N/A//
 == Return Value ==
@@ Line 903: / Line 906: @@
 ** {{wiki:ProtectedMethod.gif|}} IxQ=(RectangleShape,Double,Double,Int64,Int64,Int32) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //N/A//
 == Return Value ==
@@ Line 939: / Line 942: @@
 ** {{wiki:ProtectedMethod.gif|}} DrawStretchTiles(RectangleShape) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#DrawStretchTiles.28RectangleShape.29//
 == Return Value ==
@@ Line 955: / Line 958: @@
 ** {{wiki:ProtectedMethod.gif|}} GetSortedCells(Dictionary<String,TileMatrixCell>,RectangleShape) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //N/A//
 == Return Value ==
@@ Line 975: / Line 978: @@
 ** {{wiki:ProtectedMethod.gif|}} GetSortedCellsCore(Dictionary<String,TileMatrixCell>,RectangleShape) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //N/A//
 == Return Value ==
@@ Line 995: / Line 998: @@
 ** {{wiki:ProtectedMethod.gif|}} 4BM=(IEnumerable<RectangleShape>) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //N/A//
 == Return Value ==
@@ Line 1011: / Line 1014: @@
 ** {{wiki:ProtectedMethod.gif|}} RefreshCore(RectangleShape) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#RefreshCore.28RectangleShape.29//
 == Return Value ==
@@ Line 1027: / Line 1030: @@
 ** {{wiki:ProtectedMethod.gif|}} 4hM=(GeoCanvas) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //N/A//
 == Return Value ==
@@ Line 1043: / Line 1046: @@
 ** {{wiki:ProtectedMethod.gif|}} DrawAttributionCore(GeoCanvas) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#DrawAttributionCore.28GeoCanvas.29//
 == Return Value ==
@@ Line 1059: / Line 1062: @@
 ** {{wiki:ProtectedMethod.gif|}} OnDrawingAttribution(DrawingAttributionOverlayEventArgs) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnDrawingAttribution.28DrawingAttributionOverlayEventArgs.29//
 == Return Value ==
@@ Line 1075: / Line 1078: @@
 ** {{wiki:ProtectedMethod.gif|}} OnDrawnAttribution(DrawnAttributionOverlayEventArgs) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnDrawnAttribution.28DrawnAttributionOverlayEventArgs.29//
 == Return Value ==
@@ Line 1091: / Line 1094: @@
 ** {{wiki:ProtectedMethod.gif|}} PanToCore(RectangleShape) **
-N/A
+  * //This method pans the overlay to the provided world extent.//
 == Remarks ==
-N/A
+  * //Some overlay doesn't need to continously drawing all the tile. For example, MarkerOverlay is formed by markers. When mouse down to pan, the markers don't need to redraw, we can only change its position. When mouse up to end panning, we can redraw the overlay for better performance.//
 == Return Value ==
@@ Line 1102: / Line 1105: @@
   * //targetExtent//
     * Type:[[ThinkGeo.MapSuite.Core.RectangleShape|RectangleShape]]
-    * Description:N/A
+    * Description:This parameter is the target world extent for panning.
 <div newline></div>
 ** {{wiki:ProtectedMethod.gif|}} OnDrawing(DrawingOverlayEventArgs) **
-N/A
+  * //This method raises before the overlay is drawing.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnDrawing.28DrawingOverlayEventArgs.29//
 == Return Value ==
@@ Line 1118: / Line 1121: @@
   * //e//
     * Type:[[ThinkGeo.MapSuite.WpfDesktopEdition.DrawingOverlayEventArgs|DrawingOverlayEventArgs]]
-    * Description:N/A
+    * Description:This parameter is the event argument for Drawing event.
 <div newline></div>
 ** {{wiki:ProtectedMethod.gif|}} OnDrawn(DrawnOverlayEventArgs) **
-N/A
+  * //This method raises after the overlay is drawn.//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnDrawn.28DrawnOverlayEventArgs.29//
 == Return Value ==
@@ Line 1134: / Line 1137: @@
   * //e//
     * Type:[[ThinkGeo.MapSuite.WpfDesktopEdition.DrawnOverlayEventArgs|DrawnOverlayEventArgs]]
-    * Description:N/A
+    * Description:This parameter is the event argument for Drawn event.
 <div newline></div>
 ** {{wiki:ProtectedMethod.gif|}} Finalize() **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#Finalize.28.29//
 == Return Value ==
@@ Line 1151: / Line 1154: @@
 ** {{wiki:ProtectedMethod.gif|}} OnRefreshing(OverlayRefreshType) **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //N/A//
 == Return Value ==
@@ Line 1167: / Line 1170: @@
 ** {{wiki:ProtectedMethod.gif|}} MemberwiseClone() **
-N/A
+  * //N/A//
 == Remarks ==
-N/A
+  * //For the most updated Info for this topic, please check it here:http:wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#MemberwiseClone.28.29//
 == Return Value ==
@@ Line 1182: / Line 1185: @@
 N/A
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#CustomServerUris
 == Return Value ==
   * Type:Collection<Uri>
@@ Line 1190: / Line 1193: @@
 Gets or sets the length of time, in seconds, before the request times out.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#TimeoutInSeconds
 == Return Value ==
   * Type:Int32
@@ Line 1198: / Line 1201: @@
 Gets or sets the WebProxy for using OpenStreet map service.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OpenStreetMapOverlay.28WebProxy.29
 == Return Value ==
   * Type:WebProxy
@@ Line 1206: / Line 1209: @@
 N/A
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#ProjectionFromSphericalMercator
 == Return Value ==
   * Type:[[ThinkGeo.MapSuite.Core.Projection|Projection]]
@@ Line 1214: / Line 1217: @@
 N/A
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#ProjectedTileCache
 == Return Value ==
   * Type:[[ThinkGeo.MapSuite.Core.BitmapTileCache|BitmapTileCache]]
@@ Line 1222: / Line 1225: @@
 N/A
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#ProjectedTileCache
 == Return Value ==
   * Type:[[ThinkGeo.MapSuite.Core.BitmapTileCache|BitmapTileCache]]
@@ Line 1230: / Line 1233: @@
 N/A
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#IsVisible
 == Return Value ==
   * Type:Boolean
@@ Line 1236: / Line 1239: @@
 ** {{wiki:PublicProperty.gif|}} TileType **
-N/A
+Gets and sets the overlay is formed by multiple tiles or single tile.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#TileType
 == Return Value ==
   * Type:[[ThinkGeo.MapSuite.WpfDesktopEdition.TileType|TileType]]
@@ Line 1244: / Line 1247: @@
 ** {{wiki:PublicProperty.gif|}} TileWidth **
-N/A
+Gets and sets the width of the tile.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#TileWidth
 == Return Value ==
   * Type:Int32
@@ Line 1252: / Line 1255: @@
 ** {{wiki:PublicProperty.gif|}} TileHeight **
-N/A
+Gets and sets the height of the tile.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#TileHeight
 == Return Value ==
   * Type:Int32
@@ Line 1260: / Line 1263: @@
 ** {{wiki:PublicProperty.gif|}} TransitionEffect **
-N/A
+Gets and sets the transition effect of the overlay when zooming. After zooming, the existing tiles stretch and leave in current viewport. Set to None when its background is transparent.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#TransitionEffect
 == Return Value ==
   * Type:[[ThinkGeo.MapSuite.WpfDesktopEdition.TransitionEffect|TransitionEffect]]
@@ Line 1268: / Line 1271: @@
 ** {{wiki:PublicProperty.gif|}} ImageFormat **
-N/A
+Gets and sets drawing format for the tiles.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#ImageFormat
 == Return Value ==
   * Type:[[ThinkGeo.MapSuite.Core.TileImageFormat|TileImageFormat]]
@@ Line 1276: / Line 1279: @@
 ** {{wiki:PublicProperty.gif|}} JpegQuality **
-N/A
+Gets or sets the image quality when the TileImageFormat is Jpeg; otherwise this property has no effects. Its default value is 80.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#JpegQuality
 == Return Value ==
   * Type:Int32
@@ Line 1284: / Line 1287: @@
 ** {{wiki:PublicProperty.gif|}} TileBuffer **
-N/A
+This property gets and sets the number of extra rows and colums of tiles on each side which will surround the minimum grid tiles to cover the map.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#TileBuffer
 == Return Value ==
   * Type:Int32
@@ Line 1292: / Line 1295: @@
 ** {{wiki:PublicProperty.gif|}} MaxExtent **
-N/A
+This property gets or sets the max extent of matrix to calculate the tiles.
 == Remarks ==
-N/A
+By default, MaxExtent is null; the matrix is created depending on the GeographyUnit of current map. When it's DecimalDegree, the matrix' is calculated as (-180, 90, 180, -90) as MaxExtent. While it's not DecimalDegree, the matrix is (-1000000000, 1000000000, 1000000000, -1000000000); It's allowed to modify it to customize the matrix.
 == Return Value ==
   * Type:[[ThinkGeo.MapSuite.Core.RectangleShape|RectangleShape]]
@@ Line 1300: / Line 1303: @@
 ** {{wiki:PublicProperty.gif|}} WrappingMode **
-N/A
+Thie property gets or sets whether allow wrap date line.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#WrappingMode
 == Return Value ==
   * Type:[[ThinkGeo.MapSuite.Core.WrappingMode|WrappingMode]]
@@ Line 1310: / Line 1313: @@
 N/A
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#WrappingExtent
 == Return Value ==
   * Type:[[ThinkGeo.MapSuite.Core.RectangleShape|RectangleShape]]
@@ Line 1318: / Line 1321: @@
 N/A
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#AutoRefreshInterval
 == Return Value ==
   * Type:TimeSpan
@@ Line 1324: / Line 1327: @@
 ** {{wiki:PublicProperty.gif|}} Name **
-N/A
+Gets or sets the name of this overaly.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#Name
 == Return Value ==
   * Type:String
@@ Line 1332: / Line 1335: @@
 ** {{wiki:PublicProperty.gif|}} MapArguments **
-N/A
+Gets or sets current map information which will be used for calculating mechanism.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#Initialize.28MapArguments.29
 == Return Value ==
   * Type:[[ThinkGeo.MapSuite.WpfDesktopEdition.MapArguments|MapArguments]]
@@ Line 1340: / Line 1343: @@
 ** {{wiki:PublicProperty.gif|}} OverlayCanvas **
-N/A
+Gets or sets the actual canvas which maintains all the visual elements on the overlay.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OverlayCanvas
 == Return Value ==
   * Type:Canvas
@@ Line 1350: / Line 1353: @@
 N/A
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#IsBase
 == Return Value ==
   * Type:Boolean
@@ Line 1358: / Line 1361: @@
 N/A
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#CanRefreshRegion
 == Return Value ==
   * Type:Boolean
@@ Line 1364: / Line 1367: @@
 ** {{wiki:PublicProperty.gif|}} DrawingExceptionMode **
-N/A
+This property gets and sets the DrawingExceptionMode used when an exception occurs during drawing.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#DrawingExceptionMode
 == Return Value ==
   * Type:[[ThinkGeo.MapSuite.Core.DrawingExceptionMode|DrawingExceptionMode]]
@@ Line 1374: / Line 1377: @@
 N/A
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#DrawAttributionCore.28GeoCanvas.29
 == Return Value ==
   * Type:String
@@ Line 1380: / Line 1383: @@
 ** {{wiki:PublicProperty.gif|}} IsEmpty **
-N/A
+This property gets if this overlay is empty or not.
 == Remarks ==
-N/A
+This property enhances the performance of the overlay while drawing. If is true, we will skip drawing this overlay and continue drawing the next overlay.
 == Return Value ==
   * Type:Boolean
@@ Line 1397: / Line 1400: @@
 ** {{wiki:ProtectedProperty.gif|}} DrawingCanvas **
-N/A
+Gets current drawing canvas which holds actual tile controls.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#DrawingCanvas
 == Return Value ==
   * Type:Canvas
@@ Line 1405: / Line 1408: @@
 ** {{wiki:ProtectedProperty.gif|}} StretchCanvas **
-N/A
+Gets current stretch canvas which holds stretched tile controls during the stretch transition.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#StretchCanvas
 == Return Value ==
   * Type:Canvas
@@ Line 1413: / Line 1416: @@
 ** {{wiki:ProtectedProperty.gif|}} PreviousExtent **
-N/A
+Gets or sets the previous exent of the overlay.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#PreviousExtent
 == Return Value ==
   * Type:[[ThinkGeo.MapSuite.Core.RectangleShape|RectangleShape]]
@@ Line 1429: / Line 1432: @@
 ** {{wiki:ProtectedProperty.gif|}} IsOverlayInitialized **
-N/A
+Gets or sets if the overlay canvas is initialized.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#IsOverlayInitialized
 == Return Value ==
   * Type:Boolean
@@ Line 1439: / Line 1442: @@
 N/A
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnSendingWebRequest.28SendingWebRequestEventArgs.29
 Event Arguments:[[ThinkGeo.MapSuite.Core.SendingWebRequestEventArgs|SendingWebRequestEventArgs]]
@@ Line 1446: / Line 1449: @@
 N/A
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnSentWebRequest.28SentWebRequestEventArgs.29
 Event Arguments:[[ThinkGeo.MapSuite.Core.SentWebRequestEventArgs|SentWebRequestEventArgs]]
 ** {{wiki:PublicEvent.gif|}} DrawTilesProgressChanged **
-N/A
+This event raises when download progress is changed.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnDrawTilesProgressChanged.28DrawTilesProgressChangedTileOverlayEventArgs.29
 Event Arguments:[[ThinkGeo.MapSuite.WpfDesktopEdition.DrawTilesProgressChangedTileOverlayEventArgs|DrawTilesProgressChangedTileOverlayEventArgs]]
 ** {{wiki:PublicEvent.gif|}} DrawingTile **
-N/A
+This event raises before the tile is drawing.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnDrawingTile.28DrawingTileTileOverlayEventArgs.29
 Event Arguments:[[ThinkGeo.MapSuite.WpfDesktopEdition.DrawingTileTileOverlayEventArgs|DrawingTileTileOverlayEventArgs]]
 ** {{wiki:PublicEvent.gif|}} DrawnTile **
-N/A
+This event raises after the tile is drawn.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnDrawnTile.28DrawnTileTileOverlayEventArgs.29
 Event Arguments:[[ThinkGeo.MapSuite.WpfDesktopEdition.DrawnTileTileOverlayEventArgs|DrawnTileTileOverlayEventArgs]]
@@ Line 1474: / Line 1477: @@
 N/A
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnDrawingException.28DrawingExceptionTileOverlayEventArgs.29
 Event Arguments:[[ThinkGeo.MapSuite.WpfDesktopEdition.DrawingExceptionTileOverlayEventArgs|DrawingExceptionTileOverlayEventArgs]]
@@ Line 1481: / Line 1484: @@
 N/A
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnDrawnException.28DrawnExceptionTileOverlayEventArgs.29
 Event Arguments:[[ThinkGeo.MapSuite.WpfDesktopEdition.DrawnExceptionTileOverlayEventArgs|DrawnExceptionTileOverlayEventArgs]]
@@ Line 1488: / Line 1491: @@
 N/A
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:
 Event Arguments:[[ThinkGeo.MapSuite.WpfDesktopEdition.TileTypeChangedTileOverlayEventArgs|TileTypeChangedTileOverlayEventArgs]]
@@ Line 1500: / Line 1503: @@
 ** {{wiki:PublicEvent.gif|}} Drawing **
-N/A
+This event raises before the overlay is drawing.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#GetDrawingCells.28RectangleShape.29
 Event Arguments:[[ThinkGeo.MapSuite.WpfDesktopEdition.DrawingOverlayEventArgs|DrawingOverlayEventArgs]]
 ** {{wiki:PublicEvent.gif|}} Drawn **
-N/A
+This event raises after the overlay is drawn.
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnDrawn.28DrawnOverlayEventArgs.29
 Event Arguments:[[ThinkGeo.MapSuite.WpfDesktopEdition.DrawnOverlayEventArgs|DrawnOverlayEventArgs]]
@@ Line 1516: / Line 1519: @@
 N/A
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnDrawingAttribution.28DrawingAttributionOverlayEventArgs.29
 Event Arguments:[[ThinkGeo.MapSuite.WpfDesktopEdition.DrawingAttributionOverlayEventArgs|DrawingAttributionOverlayEventArgs]]
@@ Line 1523: / Line 1526: @@
 N/A
 == Remarks ==
-N/A
+For the most updated Info for this topic, please check it here:http://wiki.thinkgeo.com/wiki/ThinkGeo.MapSuite.WpfDesktopEdition.OpenStreetMapOverlay#OnDrawnAttribution.28DrawnAttributionOverlayEventArgs.29
 Event Arguments:[[ThinkGeo.MapSuite.WpfDesktopEdition.DrawnAttributionOverlayEventArgs|DrawnAttributionOverlayEventArgs]]

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