PSM_PAGETOINDEX message
Takes the HPROPSHEETPAGE handle of the property sheet page and returns its zero-based index. You can send this message explicitly or use the PropSheet_PageToIndex macro.
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wParam
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Must be zero.
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lParam
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HPROPSHEETPAGE handle to the property sheet page.
Returns the zero-based index of the property sheet page specified by lParam if successful. Otherwise, it returns -1.
Requirement | Value |
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Minimum supported client |
Windows Vista [desktop apps only] |
Minimum supported server |
Windows Server 2003 [desktop apps only] |
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