C# Redirecting Standard Input weird problem

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C#

Hello,

I have a weird issue when i try to redirect the input stream of a certain Console application.

My goal is to use a WinForm application to send commands to a Console application and read the output (lets call that application ConsoleApp).

The code below works perfectly for the CMD.exe application but not for my ConsoleApp.

ProcessStartInfo:

procStartInfo.UseShellExecute = false;
procStartInfo.RedirectStandardOutput = true;
procStartInfo.RedirectStandardInput = true;
procStartInfo.RedirectStandardError = true;
procStartInfo.CreateNoWindow = true;
procStartInfo.ErrorDialog = false;

I'm using asyc output reading using events: (that part works perfectly for my ConsoleApp)

proc.OutputDataReceived += new DataReceivedEventHandler(SortOutputHandler);
proc.ErrorDataReceived += new DataReceivedEventHandler(SortOutputHandler);
proc.BeginOutputReadLine();
proc.BeginErrorReadLine();

Input StreamWritter:

StreamWriter sw = proc.StandardInput;
string input = inputTxt.Text + "\r\n";
sw.BaseStream.Write(Encoding.ASCII.GetBytes(input),0,input.Length);
sw.Flush()

The reason I am Encoding the input is because I'll probably use this for Telnet application as well.

The Form: (example with CMD)
Picture


Now for the weird part.
When I do the same in a console application (not a WinForm) and I don't use the StreamWriter shown above, everything I type in the console window goes directly to my ConsoleApp and it works perfectly! All I need to do is redirect the input stream, and nothing more (I don't even use Console.ReadLine() to get what I typed). somehow the application is writing to that stream whatever I type...
The Main functions actually looks like that:

//Config Proc and start it
while (true){
     System.Threading.Thread.Sleep(1000);
}

I know that stupid but it works.

How can I do the same in a WinForm application? or is there another way to redirect input for a console app?