Send ctrl+c to a cmd.exe process in c#

string XCopyArguments = """ + dir.FullName + "" "" + destination + "" /D /S /I /E";
Process XCopyProcess = new Process();
ProcessStartInfo XCopyStartInfo = new ProcessStartInfo();
XCopyStartInfo.FileName = "CMD.exe ";
XCopyStartInfo.RedirectStandardError = true;
XCopyStartInfo.RedirectStandardOutput = true;
XCopyStartInfo.RedirectStandardInput = true;
XCopyStartInfo.UseShellExecute = false;
XCopyStartInfo.CreateNoWindow = true;
XCopyStartInfo.Arguments = " /D /c XCOPY " + XCopyArguments;
XCopyProcess.EnableRaisingEvents = true;
XCopyProcess.StartInfo = XCopyStartInfo;
XCopyProcess.Start();
XCopyProcess.WaitForExit(15000);
int ExitCode = XCopyProcess.ExitCode;
if (ExitCode > 0 & !XCopyProcess.HasExited)
{
XCopyProcess.Kill();
}
XCopyProcess.Dispose();

Declare Function GenerateConsoleCtrlEvent Lib "kernel32" ( _
                    ByVal dwCtrlEvent As Integer, _
                    ByVal dwProcessGroupId As Integer _
                    ) As Integer

Private Const CTRL_C_EVENT As Integer = 0

Private Sub SendCtrlC()
    GenerateConsoleCtrlEvent(CTRL_C_EVENT, 0)

    ' send a Ctrl-C to this process
    GenerateConsoleCtrlEvent(CTRL_C_EVENT, currentpid)

    ' send a Ctrl-C to the cmd process
    GenerateConsoleCtrlEvent(CTRL_C_EVENT, cmdpid)
End Sub