Sets the color to which a window's content region is redrawn.
pascal OSStatus SetWindowContentColor (
WindowPtr window,
RGBColor *color);
If your application uses the SetWindowContentColor function, the window's content region is redrawn to the color you specify, without affecting the value specified in the window's CGrafPort structure for the current background color. Applications should use SetWindowContentColor instead of the SetWinColor function. See Drawing in a Window's Content Region for further discussion and an example of how your application might call the SetWindowContentColor function.
The function GetWindowContentColor .