ThinkGeo Cloud
ThinkGeo UI Controls
ThinkGeo Open Source
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ThinkGeo Cloud
ThinkGeo UI Controls
ThinkGeo Open Source
Help and Support
External Resources
This is an old revision of the document!
Ideally I would want to make this inherit from the FeatureLayer so you could do spatial queries. In the interests of time I inherited from the Layer to make things simple and show the point of how easy it is to extend Map Suite. When we roll this into the main product we may create a FeatureSource and FeatureLayer.
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RequestDrawing(IEnumerable<RectangleShape>,TimeSpan)
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When implementing this abstract method, consider each feature and its column data values. You can use the full power of the GeoCanvas to do the drawing. If you need column data for a feature, be sure to override the GetRequiredColumnNamesCore and add the columns you need to the collection. In many of the styles, we add properties that allow the user to specify which field they need; then, in the GetRequiredColumnNamesCore, we read that property and add it to the collection.
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DrawExceptionCore(GeoCanvas,Exception)
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OnDrawingException(DrawingExceptionLayerEventArgs)
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OnDrawingAttribution(DrawingAttributionLayerEventArgs)
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Event Arguments:RequestingDrawingLayerEventArgs