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CB_SETITEMDATA Overview  Group

An application sends a CB_SETITEMDATA message to set the 32-bit value associated with the specified item in a combo box.


wParam = (WPARAM) index;            // item index 

lParam = (LPARAM) (DWORD) dwData;   // item data 



Value of wParam. Specifies the itemís zero-based index.
Value of lParam. Specifies the new value to be associated with the item.

Return Values

If an error occurs, the return value is CB_ERR.


If the specified item is in an owner-drawn combo box created without the CBS_HASSTRINGS style, this message replaces the 32-bit value in the lParam parameter of the CB_ADDSTRING or CB_INSERTSTRING message that added the item to the combo box.

See Also


file: /Techref/os/win/api/win32/mess/src/msg02_9.htm, 1KB, , updated: 2008/6/24 02:51, local time: 2022/8/17 22:28,

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