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4/8/2010

This macro creates a quaternary raster operation (ROP) code for use by the MaskBltfunction.

The macro takes two ternary ROP codes as input, one for the foreground and one for the background, and packs their Boolean operation indexes into the high-order word of a 32-bit value. MAKEROP4 ignores the low-order word. For more information, see Ternary Raster Operations.

Syntax 

DWORD MAKEROP4(
  DWORD 
fore, 
  DWORD 
back
);

Parameters

fore

Specifies a foreground ternary raster operation code.

back

Specifies a background ternary raster operation code

Return Value

The return value is a DWORDquaternary raster operation code for use with the MaskBltfunction.

Remarks

The MAKEROP4macro is defined as follows.

Copy Code 
#define MAKEROP4(fore,back) 
		(DWORD)((((back) << 8) & 0xFF000000) | (fore))

Requirements

Header windows.h
Windows Embedded CE Windows CE 2.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also