Adds the region name to the widget at position pos in the hierarchy defined in path. See Style.contextAddRegion.
Region names must only contain lowercase letters and “-”, starting always with a lowercase letter.
position to modify, -1 for the path head
region name
flags affecting the region
Deprecated: The use of regions is deprecated.
3.0
Adds the region name to the widget at position pos in the hierarchy defined in path. See Style.contextAddRegion.
Region names must only contain lowercase letters and “-”, starting always with a lowercase letter.