GetRValue macro
Applies to: desktop apps only
The GetRValue macro retrieves an intensity value for the red component of a red, green, blue (RGB) value.
Syntax
BYTE GetRValue( DWORD rgb );
Parameters
- rgb
-
Specifies an RGB color value.
Return value
The return value is the intensity of the red component of the specified RGB color.
Remarks
The intensity value is in the range 0 through 255.
Requirements
|
Minimum supported client | Windows 2000 Professional |
|---|---|
|
Minimum supported server | Windows 2000 Server |
|
Header |
|
See also
Send comments about this topic to Microsoft
Build date: 3/7/2012