GetRValue (Compact 2013)

3/28/2014

This macro retrieves an intensity value for the red component of a 32-bit RGB value.


BYTE GetRValue( 
  DWORD rgb
);

rgb

Specifies an RGB color value.

The return value is the intensity of the red component of the specified RGB color.

The intensity value is in the range 0 through 255.

The GetRValue macro is defined as follows.

#define GetRValue(rgb)   ((BYTE) (rgb)) 

Header

windows.h

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