Sets a content provider on a gtk.drag_source.DragSource.
When the data is requested in the cause of a DND operation, it will be obtained from the content provider.
This function can be called before a drag is started, or in a handler for the gtk.drag_source.DragSource.prepare signal.
You may consider setting the content provider back to null in a signalGtk.DragSource::drag-end signal handler.
a gdk.content_provider.ContentProvider
Sets a content provider on a gtk.drag_source.DragSource.
When the data is requested in the cause of a DND operation, it will be obtained from the content provider.
This function can be called before a drag is started, or in a handler for the gtk.drag_source.DragSource.prepare signal.
You may consider setting the content provider back to null in a signalGtk.DragSource::drag-end signal handler.