Invoked during the
StartDrag when a drag should be initiated.
Parameters
- tabOffset
- Amount of offset between the mouse location when pressed down on the tab and the upper left of the tab element
- tabToDrag
- Tab item to drag
- tabElement
- Element associated with the tab. This element should not be stored and may be reused.
Return Value
True if the drag operation was started
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, 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