Sets @source as the source object used for creating property bindings. If there is already a source object all bindings from it will be removed.
Note that all properties that have been bound must exist on @source.
the source #GObject, or %NULL to clear it
2.72
See Implementation
Sets @source as the source object used for creating property bindings. If there is already a source object all bindings from it will be removed.
Note that all properties that have been bound must exist on @source.