Sets selection data of target type %GTK_TREE_MODEL_ROW. Normally used in a drag_data_get handler.
some #GtkSelectionData
a #GtkTreeModel
a row in @tree_model
Return: %TRUE if the #GtkSelectionData had the proper target type to allow us to set a tree row
See Implementation
Sets selection data of target type %GTK_TREE_MODEL_ROW. Normally used in a drag_data_get handler.