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IMapControlEvents2.OnBeforeScreenDraw Event (ArcObjects .NET 10.6 SDK)
ArcObjects Library Reference (Controls)  

IMapControlEvents2.OnBeforeScreenDraw Event

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

Product Availability

Available with ArcGIS Engine.

Description

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.

See Also

IMapControlEvents2 Interface