OnDropDownOpened Method

Called before the DropDownOpened event occurs.
Protected Overridable Sub OnDropDownOpened() 
protected virtual void OnDropDownOpened()

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also