The PSM_QUERYSIBLINGS message forwards the message to each page in the property sheet. 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;
Parameters
param1
First application-defined parameter.
param2
Second application-defined parameter.
Return Values
Returns the nonzero value from a page in the property sheet, or zero if no page returns a nonzero value.
See Also