Gets a visual to use for creating windows or pixmaps with an alpha channel. See the docs for gdk_screen_get_rgba_colormap() for caveats. Since 2.8
a visual to use for windows with an alpha channel or NULL if the capability is not available. [transfer none]
See Implementation
Gets a visual to use for creating windows or pixmaps with an alpha channel. See the docs for gdk_screen_get_rgba_colormap() for caveats. Since 2.8