Public Delegate Sub View3D.DrawOpenGLBeginEventHandler( _
   ByVal sender As Object, _
   ByVal e As EventArgs _
) 

Visual Basic (Usage)	Copy Code
Dim instance As New DrawOpenGLBeginEventHandler(AddressOf HandlerMethod)

public delegate void View3D.DrawOpenGLBeginEventHandler( 
   object sender,
   EventArgs e
)

Parameters

sender

A reference to the View3D, the source of the event.

e

An EventArgs object that contains the event data.

The DrawOpenGLBegin event occurs before ArcGIS Explorer starts drawing the globe to the View3D.

For more information about custom drawing, see the Custom Drawing Sample and Custom Drawing in ArcGIS Explorer help topic. For more information about event-handler delegates, see the How to add event handlers for custom drawing topic, and also MSDN topics about Events and Delegates.

Reference