An application sends a DM_GETDEFID message to retrieve the identifier of the default push button control for a dialog box.
This message has no parameters.
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.
The DefDlgProc function processes this message.
|file: /Techref/os/win/api/win32/mess/src/msg04_4.htm, 1KB, , updated: 2000/4/7 12:19, local time: 2022/8/8 00:31,
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