gdkWindowSetBackground
Sets the background color of window. (However, when using GTK+,
set the background of a widget with gtkWidgetModifyBg - if
you're an application - or gtkStyleSetBackground - if you're
implementing a custom widget.)
gdkWindowSetBackground(object, color)
The color must be allocated; gdkRgbFindColor is the best way
to allocate a color.
See also gdkWindowSetBackPixmap.
Derived by RGtkGen from GTK+ documentation
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