Adding pop-up menus and dynamically setting menu items dimmed

CMenu menu, * psubmenu; Define the CMenu object to be used below
Menu. LoadMenu (IDR_MENU1); Loading a custom right-click menu
Gets the first popup menu, so the first menu must have a submenu
Psubmenu = menu. GetSubMenu (0);

Psubmenu->enablemenuitem (id_menu_update,mf_disabled| mf_grayed);
Psubmenu->enablemenuitem (id_menu_delete,mf_disabled| mf_grayed);

CPoint Opoint; Define a location to determine the position of the cursor
GetCursorPos (&opoint); Gets the position of the current cursor so that the menu can follow the cursor
Psubmenu->trackpopupmenu (Tpm_leftalign, Opoint.x, Opoint.y, this);

Adding pop-up menus and dynamically setting menu items dimmed