Mouse down handler that is used by both SelectionStrategyExtended and SelectionStrategyExtendedAuoDrag. SelectionStrategyExtendedAutoDrag passes true for the forceDrag parameter which puts strategy in preDrag mode when selecting.
Parameters
- item
- The item clicked on
- msginfo
- A struct containing mouse message information.
- forceDrag
- If true will always puts strategy in preDrag mode.
Return Value
True to capture the mouse.
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