'Declaration
 
Public Overloads Overridable Sub AlphaBlend( _
   ByVal deviceContext As DeviceContext, _
   ByVal destRectangle As Rectangle, _
   ByVal srcRectangle As Rectangle, _
   ByVal srcConstantAlpha As Byte _
) 

public virtual void AlphaBlend( 
   DeviceContext deviceContext,
   Rectangle destRectangle,
   Rectangle srcRectangle,
   byte srcConstantAlpha
)

Parameters

deviceContext

The source DeviceContext object.

destRectangle

A System.Drawing.Rectangle indicates the destination rectangle.

srcRectangle

A System.Drawing.Rectangle indicates the source rectangle.

srcConstantAlpha

A byte indicates the constant alpha value of source.

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

DeviceContext Class
DeviceContext Members
Overload List