Process.SessionId Property

Gets the Terminal Services session identifier for the associated process.

Namespace:  System.Diagnostics
Assembly:  System (in System.dll)

public int SessionId { get; }

Property Value

Type: System.Int32
The Terminal Services session identifier for the associated process.

ExceptionCondition
NullReferenceException

There is no session associated with this process.

InvalidOperationException

There is no process associated with this session identifier.

-or-

The associated process is not on this machine.

PlatformNotSupportedException

The SessionId property is not supported on Windows 98.

The SessionId property identifies the session in which the application is currently running.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

  • LinkDemand 

    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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