Defines the different zoom box key code of key for the MouseMapTool.

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None

• Summary:Specifies that map can track zoom without any other key pressed.

Shift

• Summary:Specifies that map can track zoom with SHIFT key pressed.

Ctrl

• Summary:Specifies that map can track zoom with CTRL key pressed.

Alt

• Summary:Specifies that map can track zoom with ALT key pressed.