Get the best visual of the given visual_type for the default GDK screen. Visuals with higher color depths are considered better. The return value should not be freed. null may be returned if no visual has type visual_type.
a visual type
best visual of the given type
Deprecated: Visual selection should be done using gdk.screen.Screen.getSystemVisual and gdk.screen.Screen.getRgbaVisual
Get the best visual of the given visual_type for the default GDK screen. Visuals with higher color depths are considered better. The return value should not be freed. null may be returned if no visual has type visual_type.