C# Signature:

[DllImport("kernel32.dll")]
static extern bool ProcessIdToSessionId(uint dwProcessId, out uint pSessionId);
[DllImport("kernel32.dll", SetLastError=true)]
static extern int ProcessIdToSessionId(uint dwProcessId, out uint pSessionId);

VB Signature:

  Declare Function ProcessIdToSessionId Lib "kernel32.dll" (ByVal dwProcessId As Int32, ByRef pSessionId As Int32) As Int32
  Declare Function ProcessIdToSessionId Lib "kernel32.dll" _
    (ByVal dwProcessId As Int32, ByRef pSessionId As Int32) As Int32

User-Defined Types:

None.

Notes:

None.

As always, only do SetLastError=true if you actually intend to call GetLastError.

Tips & Tricks:

Please add some!

Sample Code:

Get the Session Id for the current process in C#

int sessionId = System.Diagnostics.Process.GetCurrentProcess().SessionId;

Please add some!

Alternative Managed API:

int sessionId = System.Diagnostics.Process.GetProcessById(processId).SessionId;

Do you know one? Please contribute it!

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