WM_ENTERIDLE message
Sent to the owner window of a modal dialog box or menu that is entering an idle state. A modal dialog box or menu enters an idle state when no messages are waiting in its queue after it has processed one or more previous messages.
#define WM_ENTERIDLE 0x0121
Parameters
- wParam
-
This parameter can be one of the following values.
Value Meaning - MSGF_DIALOGBOX
- 0
The system is idle because a dialog box is displayed.
- MSGF_MENU
- 2
The system is idle because a menu is displayed.
- lParam
-
A handle to the dialog box (if wParam is MSGF_DIALOGBOX) or window containing the displayed menu (if wParam is MSGF_MENU).
Return value
An application should return zero if it processes this message.
Remarks
You can suppress the WM_ENTERIDLE message for a dialog box by creating the dialog box with the DS_NOIDLEMSG style.
Requirements
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Minimum supported client | Windows 2000 Professional [desktop apps only] |
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Minimum supported server | Windows 2000 Server [desktop apps only] |
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Header |
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See also
- Reference
- DefWindowProc
- Conceptual
- Dialog Boxes