| hmenuPopup | Specifies the handle to the menu |
| x | Specifies horizontal offset in the client area coordinates |
| y | Specifies vertical offset in the client area coordinates |
| pWndOwner | Specifies how messages are routed; if nonzero the owner receives the messages, otherwise the standard MFC routing is used |
| bOwnMessage | Specifies how messages are routed; if nonzero the owner receives the messages, otherwise the standard MFC routing is used |
| hmenuPopup | Specifies the handle to the menu |
| bAutoDestroy | Specifies whether the menu should be destroyed automatically |
| bRightAlign | If TRUE, the menu is right-aligned (for RTL reading order). |