SemaphoreSlim Constructor (Int32, Int32)
Initializes a new instance of the SemaphoreSlim class, specifying the initial and maximum number of requests that can be granted concurrently.
Assembly: mscorlib (in mscorlib.dll)
initialCount is less than 0, or initialCount is greater than maxCount, or maxCount is equal to or less than 0.
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.