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CB_SHOWDROPDOWN (Compact 2013)

3/28/2014

This message is sent by an application to show or hide the list box of a combo box that has the CBS_DROPDOWN or CBS_DROPDOWNLIST style.

Syntax

CB_SHOWDROPDOWN wParam = (WPARAM)(BOOL) fShow; 
  lParam = 0;

Parameters

  • fShow
    Boolean that specifies whether the drop-down list box is to be shown or hidden. A value of TRUE shows the list box; a value of FALSE hides it.
  • lParam
    Not used.

Return Value

The return value is always TRUE.

Requirements

Header

winuser.h

See Also

Reference

Combo Box Messages
SendMessage
CB_GETDROPPEDSTATE