DM_GETDEFID message (Windows)

Applies to: desktop apps only

Retrieves the identifier of the default push button control for a dialog box.

#define WM_USER              0x0400
#define DM_GETDEFID         (WM_USER+0)

Parameters

wParam

This parameter is not used and must be zero.

lParam

This parameter is not used and must be zero.

Return value

If a default push button exists, the high-order word of the return value contains the value DC_HASDEFID and the low-order word contains the control identifier. Otherwise, the return value is zero.

Remarks

The DefDlgProc function processes this message.

Requirements

See also

Reference

DefDlgProc

DM_SETDEFID

Conceptual

Dialog Boxes

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Build date: 2/10/2012