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ManualResetEventSlim Constructor (Boolean, Int32)

Initializes a new instance of the ManualResetEventSlim class with a Boolean value indicating whether to set the intial state to signaled and a specified spin count.

Namespace:  System.Threading
Assembly:  mscorlib (in mscorlib.dll)

public ManualResetEventSlim(
	bool initialState,
	int spinCount


Type: System.Boolean
true to set the initial state to signaled; false to set the initial state to nonsignaled.
Type: System.Int32
The number of spin waits that will occur before falling back to a kernel-based wait operation.


spinCount is less than 0 or greater than the maximum allowed value.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

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.