'Declaration Property CalcManager As IUltraCalcManager
IUltraCalcManager CalcManager {get; set;}
The Set implementation of this property must call AddParticipant on the IUltraCalcManager to add itself into the CalcManager's participants collection.
Also, the implementor should call RemoveParticipant when it is disposed.
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