'Declaration Public Class DropDownToggle Inherits System.Windows.Controls.ContentControl
public class DropDownToggle : System.Windows.Controls.ContentControl
It functions like a ToggleButton whose ClickMode is set to 'Press' but it doesn't take mouse capture (which can interfere with a Popup whose StaysOpen property is set to 'False').
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