WidgetPath.iterHasRegion

bool iterHasRegion(int pos, string name, out gtk.types.RegionFlags flags)

Returns true if the widget at position pos has the class name defined, false otherwise.

`pos`	position to query, -1 for the path head
`name`	region name
`flags`	return location for the region flags

true if the class name is defined for the widget at pos

The use of regions is deprecated.