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NamedPipeServerStream Constructor (String, PipeDirection, Int32, PipeTransmissionMode, PipeOptions, Int32, Int32, PipeSecurity, HandleInheritability, PipeAccessRights)

Initializes a new instance of the NamedPipeServerStream class with the specified pipe name, pipe direction, maximum number of server instances, transmission mode, pipe options, recommended in and out buffer sizes, pipe security, inheritability mode, and pipe access rights.

Namespace:  System.IO.Pipes
Assembly:  System.Core (in System.Core.dll)

public NamedPipeServerStream(
	string pipeName,
	PipeDirection direction,
	int maxNumberOfServerInstances,
	PipeTransmissionMode transmissionMode,
	PipeOptions options,
	int inBufferSize,
	int outBufferSize,
	PipeSecurity pipeSecurity,
	HandleInheritability inheritability,
	PipeAccessRights additionalAccessRights


Type: System.String

The name of the pipe.

Type: System.IO.Pipes.PipeDirection

One of the enumeration values that determines the direction of the pipe.

Type: System.Int32

The maximum number of server instances that share the same name. You can pass MaxAllowedServerInstances for this value.

Type: System.IO.Pipes.PipeTransmissionMode

One of the enumeration values that determines the transmission mode of the pipe.

Type: System.IO.Pipes.PipeOptions

One of the enumeration values that determines how to open or create the pipe.

Type: System.Int32

The input buffer size.

Type: System.Int32

The output buffer size.

Type: System.IO.Pipes.PipeSecurity

An object that determines the access control and audit security for the pipe.

Type: System.IO.HandleInheritability

One of the enumeration values that determines whether the underlying handle can be inherited by child processes.

Type: System.IO.Pipes.PipeAccessRights

One of the enumeration values that specifies the access rights of the pipe.


pipeName is null.


pipeName is a zero-length string.


pipeName is set to "anonymous".


direction is not a valid PipeDirection value.


maxNumberofServerInstances is less than -1 or greater than 254 (-1 indicates MaxAllowedServerInstances)


options is not a valid PipeOptions value.


inBufferSize is negative.


inheritability is not a valid HandleInheritability value.


additionalAccessRights is not a valid PipeAccessRights value.


pipeName contains a colon (":").


The operating system is Windows Millennium Edition, Windows 98, or Windows 95, which are not supported.


The maximum number of server instances has been exceeded.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

  • Demand 

    For full trust for the immediate caller. This member cannot be used by partially trusted code.

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.

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