PSM_HWNDTOINDEX message
Takes the window handle of the property sheet page and returns its zero-based index. You can send this message explicitly or use the PropSheet_HwndToIndex macro.
Parameters
-
wParam
-
Handle to the page's window.
-
lParam
-
Must be zero.
Return value
Returns the zero-based index of the property sheet page specified by wParam if successful. Otherwise, it returns -1.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|
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