Yahfree set the sub menu param as true.
kev
menu = WB3D_WindowMenu(RuntimeWindow_hWnd) file = WB3D_CreateMenu("File",0,menu,0) edit = WB3D_CreateMenu("Edit",1,menu,True) ExportFit = WB3D_CreateMenu("ExportFit",2,file,0) ImportFit = WB3D_CreateMenu("ImportFit",3,file,0) Undo = WB3D_CreateMenu("Undo",10,edit,0)
kev