set_content
Description:
Sets the content widget of this.
This method should always be used instead of [method@Gtk.Window.set_child].
Parameters:
| this | an application window | 
| content | the content widget | 
Sets the content widget of this.
This method should always be used instead of [method@Gtk.Window.set_child].
| this | an application window | 
| content | the content widget |