CB_GETITEMDATA

An application sends a CB_GETITEMDATA message to a combo box to retrieve the application-supplied 32-bit value associated with the specified item in the combo box.

CB_GETITEMDATA

wParam = (WPARAM) index; // item index

lParam = 0; // not used; must be zero

Parameters

index

Value of wParam. Specifies the zero-based index of the item.

Return Values

The return value is the 32-bit value associated with the item. If an error occurs, it is CB_ERR.

If the item is in an owner-drawn combo box created without the CBS_HASSTRINGS style, the return value is the 32-bit value contained in the lParam parameter of the CB_ADDSTRING or CB_INSERTSTRING message that added the item to the combo box. If the CBS_HASSTRINGS style was not used, the return value is the lParam parameter contained in a CB_SETITEMDATA message.

See Also

CB_ADDSTRING, CB_INSERTSTRING, CB_SETITEMDATA

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