| MENU | The name of the pop-up menu to be displayed. The specified menu must have at least one submenu. |
| Flags | (Optional) A value or constant that specifies the location and behavior of a pop-up menu, as described in Settings. |
| x | (Optional) Specifies the x-coordinate where the pop-up menu is displayed. If omitted, the mouse coordinate is used. |
| y | (Optional) Specifies the y-coordinate where the pop-up menu is displayed. If omitted, the mouse coordinate is used. |
| DefaultMenu | (Optional) Specifies the name of a menu control in the pop-up menu to display its caption in bold text. If omitted, no controls in the pop-up menu appear in bold. |