Notifies the Barrier that there will be additional participants.
Assembly: System (in System.dll)
The current instance has already been disposed.
participantCount is less than 0.
Adding participantCount participants would cause the barrier's participant count to exceed 32,767.
The method was invoked from within a post-phase action.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.