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BM_CLICK message

  • Artikkel

Simulates the user clicking a button. This message causes the button to receive the WM_LBUTTONDOWN and WM_LBUTTONUP messages, and the button's parent window to receive a BN_CLICKED notification code.

Parameters

wParam

Not used; must be zero.

lParam

Not used; must be zero.

Return value

This message does not return a value.

Remarks

If the button is in a dialog box and the dialog box is not active, the BM_CLICK message might fail. To ensure success in this situation, call the SetActiveWindow function to activate the dialog box before sending the BM_CLICK message to the button.

Requirements

Requirement Value
Minimum supported client
 Windows Vista [desktop apps only]
Minimum supported server
 Windows Server 2003 [desktop apps only]
Header
Winuser.h (include Windows.h)