This property returns the tool that is currently active or can set a different tool to be active.
When the active tool changes, either programmatically or by user interaction, the BeforeToolActivate event is generated.
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