The image which when clicked on, will allow the UltraWebTool bar to be repositioned.
If this is not set, a vertical bar will be drawn by default.
Note: The image is only rendered if Movable is set to True.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, 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