The PSM_QUERYSIBLINGS message is sent to a property sheet, which then forwards the PSM_QUERYSIBLINGS message to each of its pages. If a page returns a nonzero value, the property sheet does not send the message to subsequent pages. You can send the PSM_QUERYSIBLINGS message explicitly or by using the PropSheet_QuerySiblings macro.
PSM_QUERYSIBLINGS wParam = (WPARAM) param1; lParam = (LPARAM) param2;
Returns the nonzero value from a page in the property sheet, or zero if no page returns a nonzero value.
file: /Techref/os/win/api/win32/mess/src/msg14_23.htm, 1KB, , updated: 2000/4/7 12:20, local time: 2025/4/14 21:38,
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Ashley Roll has put together a really nice little unit here. Leave off the MAX232 and keep these handy for the few times you need true RS232! |
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