WM_QUERYWINDOWPARAMS (in Value Set Controls) - Parameters

wndparams (PWNDPARAMS)

Pointer to a WNDPARAMS window parameter structure.

For a value set, the valid values for the fsStatus field are WPM_CBCTLDATA and WPM_CTLDATA.

The flags in the fsStatus field are cleared as each item is processed. If the call is successful, the fsStatus field is NULL. If any item has not been processed, the flag for that item is still set.

ulReserved (ULONG)

Reserved value, should be 0.

rc (BOOL)

Success indicator.

TRUE

Successful operation.
FALSE
Error occurred.

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