Если вы хотите использовать «чистый» Powershell 2.0:
$Wtsapi32 = @'
using System;
using System.Text;
using System.Runtime.InteropServices;
namespace Wtsapi32 {
public enum WTS_INFO_CLASS
{
WTSInitialProgram,
WTSApplicationName,
WTSWorkingDirectory,
WTSOEMId,
WTSSessionId,
WTSUserName,
WTSWinStationName,
WTSDomainName,
WTSConnectState,
WTSClientBuildNumber,
WTSClientName,
WTSClientDirectory,
WTSClientProductId,
WTSClientHardwareId,
WTSClientAddress,
WTSClientDisplay,
WTSClientProtocolType
};
[StructLayout(LayoutKind.Sequential)]
public struct WTS_CLIENT_ADDRESS
{
public uint AddressFamily;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 20)]
public byte[] Address;
}
public class PS {
public const IntPtr WTS_CURRENT_SERVER_HANDLE = IntPtr.Zero;
public const int WTS_CURRENT_SESSION = -1;
[DllImport("wtsapi32.dll", EntryPoint="WTSQuerySessionInformation")]
public static extern bool WTSQuerySessionInformation(
System.IntPtr hServer,
int sessionId,
WTS_INFO_CLASS wtsInfoClass,
out System.IntPtr ppBuffer,
out uint pBytesReturned);
[DllImport("wtsapi32.dll", EntryPoint="WTSFreeMemory")]
public static extern void WTSFreeMemory(
IntPtr memory);
}
}
'@
Add-Type -TypeDefinition $Wtsapi32