'Declaration
 
Public Overridable Sub Invalidate( _
   ByVal rect As Rectangle _
) 

public virtual void Invalidate( 
   Rectangle rect
)

Parameters

rect

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

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