C# Signature:

  /// <summary>
  /// The MAPILogoff function ends a session with the messaging system.
  /// </summary>
  [DllImport("MAPI32.DLL", CharSet=CharSet.Ansi)]
  public static extern uint MAPILogoff(IntPtr lhSession, IntPtr ulUIParam, uint flFlags, uint ulReserved);

VB Signature:

Please add!

User-Defined Structures:

None.

User-Defined Constants:

MAPI

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

public void Logoff()

{

    if(sessionPtr != IntPtr.Zero )
    {
        errorCode = MAPILogoff( session, parentWindowPtr , 0, 0 );
        sessionPtr = IntPtr.Zero;
    }

}

Alternative Managed API:

Do you know one? Please contribute it!