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ArcObjects namespaces > Controls > ESRI ArcGIS Controls > Interfaces > IM > IMapControlEvents2 Interface > IMapControlEvents2.OnBeforeScreenDraw Event (ArcObjects .NET 10.4 SDK) |
Fires before the Map contained by the MapControl starts to draw.
[Visual Basic .NET] Public Event OnBeforeScreenDraw As OnBeforeScreenDrawEventHandler
[C#] public event OnBeforeScreenDrawEventHandler OnBeforeScreenDraw
[C++]
HRESULT OnBeforeScreenDraw(
long hdc
);
[C++]
Parameters hdc [in] hdc is a parameter of type long
OnBeforeScreenDraw is triggered before the IDisplayEvents::DisplayStarted event is called on the map's screen display. The hdc represents the device context on the screen display.