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CB_GETTOPINDEX (Compact 2013)

  • Article

3/28/2014

This message is sent by an application to retrieve the zero-based index of the first visible item in the list box portion of a combo box. Initially the item with index zero is at the top of the list box, but if the list box contents have been scrolled, another item may be at the top.

Syntax

CB_GETTOPINDEX wParam = 0; 
  lParam = 0;

Parameters

  • wParam
    Not used.
  • lParam
    Not used.

Return Value

The index of the first visible item in the list box of the combo box indicates success. CB_ERR indicates failure.

Requirements

Header

winuser.h

See Also

Reference

Combo Box Messages
SendMessage
CB_SETTOPINDEX