To prevent the default menu behaviour of DesktopX when you right click an object insert the command Object_OnRButtonUp = True into the Object_OnRButtonUp(x,y,dragged) function. Function Object_OnRButtonUp(x,y,dragged) Object_OnRButtonUp = True End Function You can capture the right clicks of all children of an object by using the Object_OnRButtonUpEx(obj,x,y,dragged) command.