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WTSSendMessage (wtsapi32)
.
C# Signature:
[DllImport("wtsapi32.dll", SetLastError=true)]
static extern bool WTSSendMessage(
IntPtr hServer,
[MarshalAs(UnmanagedType.I4)] int SessionId,
String pTitle,
[MarshalAs(UnmanagedType.U4)] int TitleLength,
String pMessage,
[MarshalAs(UnmanagedType.U4)] int MessageLength,
[MarshalAs(UnmanagedType.U4)] int Style,
[MarshalAs(UnmanagedType.U4)] int Timeout,
[MarshalAs(UnmanagedType.U4)] ref int pResponse,
bool bWait);
VB Signature:
Declare Function WTSSendMessage Lib "wtsapi32.dll" (TODO) As TODO
User-Defined Types:
None.
Notes:
// Useful constants
public static IntPtr WTS_CURRENT_SERVER_HANDLE = IntPtr.Zero;
public static int WTS_CURRENT_SESSION = -1;
Tips & Tricks:
Please add some!
Sample Code:
public static IntPtr WTS_CURRENT_SERVER_HANDLE = IntPtr.Zero;
public static int WTS_CURRENT_SESSION = -1;
bool result = false;
String title = "Hello";
int tlen = title.Length;
String msg = "Terminal Service!";
int mlen = msg.Length;
int resp = 0;
result = WTSSendMessage(WTS_CURRENT_SERVER_HANDLE, WTS_CURRENT_SESSION, title, tlen, msg, mlen, 0, 0, ref resp, false);
int err = Marshal.GetLastWin32Error();
System.Console.WriteLine("result:{0}, errorCode:{1}, response:{2}", result, err, resp);
Alternative Managed API:
Do you know one? Please contribute it!
The WTSSendMessage function displays a message box on the client desktop of a specified Terminal Services session.
9/24/2015 6:37:24 AM - -46.14.168.130
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