CB_GETDROPPEDWIDTH

An application sends the CB_GETDROPPEDWIDTH message to retrieve the minimum allowable width, in pixels, of the list box of a combo box with the CBS_DROPDOWN or CBS_DROPDOWNLIST style.

CB_GETDROPPEDWIDTH 
wParam = 0;     // not used, must be zero 
lParam = 0;     // not used, must be zero 
 

Parameters

This message has no parameters.

Return Values

If the message succeeds, the return value is the width, in pixels.

If the message fails, the return value is CB_ERR.

Remarks

By default, the minimum allowable width of the drop-down list box is 0. The width of the list box is either the minimum allowable width or the combo box width, whichever is larger.

QuickInfo

  Windows NT: Requires version 4.0 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Requires version 1.0 or later.
  Header: Declared in winuser.h.

See Also

Combo Boxes Overview, Combo Box Messages, CB_SETDROPPEDWIDTH