WM_ENTERIDLE
The
WM_ENTERIDLE message is 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.
WM_ENTERIDLE
fuSource = wParam;
// idle-source flag
hwnd = (HWND) lParam; // handle of dialog box or
owner window
Parameters
fuSource
Value of wParam.
Specifies whether the message is the result of a dialog box or a menu being
displayed. This parameter can be one of the following values:
Value |
Meaning |
MSGF_DIALOGBOX |
The system
is idle because a dialog box is displayed. |
MSGF_MENU |
The system
is idle because a menu is displayed. |
hwnd
Value of lParam.
Contains the handle of the dialog box (if fuSource is MSGF_DIALOGBOX) or
of the window containing the displayed menu (if fuSource is MSGF_MENU).
Return Values
An
application should return zero if it processes this message.
Remarks
The DefWindowProc
function returns zero.
See Also