Import.UpdateLayeredWindow Method
[DllImport("user32.dll",
            CharSet = CharSet.Auto)] 
public static extern bool UpdateLayeredWindow( 
   IntPtr hwnd, 
   IntPtr hdcDst, 
   ref POINT pptDst, 
   ref SIZE psize, 
   IntPtr hdcSrc, 
   ref POINT pprSrc, 
   int crKey, 
   ref BLENDFUNCTION pblend, 
   int dwFlags 
)			
				This language is not supported or no code example is available.
Parameters
- hwnd
- IntPtr
- hdcDst
- IntPtr
- pptDst
- POINT
- psize
- SIZE
- hdcSrc
- IntPtr
- pprSrc
- POINT
- crKey
- int
- pblend
- BLENDFUNCTION
- dwFlags
- int
Return Value
bool
[DllImport("user32.dll",
     CharSet = CharSet.Auto)]
 public static extern bool UpdateLayeredWindow(IntPtr hwnd,
     IntPtr hdcDst,
     ref POINT pptDst,
     ref SIZE psize,
     IntPtr hdcSrc,
     ref POINT pprSrc,
     int crKey,
     ref BLENDFUNCTION pblend,
     int dwFlags);
								
				This language is not supported or no code example is available.