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Long |
A long expression that specifies the flags to set as explained:
- 1, the Select event is fired through
the WM_COMMAND message. The WPARAM specifies the identifier of the item
being selected, while LPARAM holds the handle of the control (HWND)
- 2, the OpenMenu event is fired
through the WM_COMMAND message. The WPARAM specifies the identifier of the item
whose popup has been opened, while LPARAM parameter specifies the value of
2
- 4, the CloseMenu event is fired
through the WM_COMMAND message. The WPARAM specifies the identifier of the item
whose popup has been closed, while LPARAM parameter specifies the value of 3
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