WM_HELPWM_HELP*
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WM_HELP

Indicates that the user pressed the F1 key. If a menu is active when F1 is pressed, WM_HELP is sent to the window associated with the menu; otherwise, WM_HELP is sent to the window that has the keyboard focus. If no window has the keyboard focus, WM_HELP is sent to the currently active window.

Syntax 

WM_HELP 
    lphi = (LPHELPINFO) lParam;

Parameters

lphi
Address of a HELPINFO structure that contains information about the menu item, control, dialog box, or window for which Help is requested.

Return Values

Returns TRUE.

Remarks

The DefWindowProc function passes WM_HELP to the parent window of a child window or to the owner of a top-level window.

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