c# Sending keyboard commands to another window / process

Question

I am trying to write a program that will take a line of data and pass it into another window / process.

This is the code I have so far, but I have not been able to w

Answer 1

[DllImport("user32.dll")]
private static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

[DllImport("user32.dll")]
private static extern bool SetForegroundWindow(IntPtr hWnd);

public void Start()
{
    IntPtr zero = IntPtr.Zero;
    for (int i = 0; (i < 60) && (zero == IntPtr.Zero); i++)
    {
        Thread.Sleep(500);
        zero = FindWindow(null, "YourWindowName");
    }
    if (zero != IntPtr.Zero)
    {
        SetForegroundWindow(zero);
        SendKeys.SendWait("{TAB}");
        SendKeys.SendWait("{TAB}");
        SendKeys.SendWait("{ENTER}");
        SendKeys.Flush();
    }
}

Try smth like this.