WindowInvalidateHandlerFunc
Description:
[ CCode ( has_target = false ) ]
[ Version ( since = "3.10" ) ]
public delegate void WindowInvalidateHandlerFunc (Window window, Region region)
[ Version ( since = "3.10" ) ]
public delegate void WindowInvalidateHandlerFunc (Window window, Region region)
Whenever some area of the window is invalidated (directly in the window or in a child window) this gets called with region
in the
coordinate space of window
.
You can use region
to just keep track of the dirty region, or you can actually change region
in case you are doing
display tricks like showing a child in multiple places.
Parameters:
window |
a Window |
region |
a Region |
Namespace: Gdk
Package: gdk-3.0