CountdownEvent.AddCount Method (Int32)
Increments the CountdownEvent's current count by a specified value.
Assembly: mscorlib (in mscorlib.dll)
The current instance has already been disposed.
signalCount is less than or equal to 0.
The current instance is already set.
CurrentCount is equal to or greater than after count is incremented by signalCount.
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
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.