How to hide / unhide a process in C#?

Question

I am attempting to start an external process in a Visual C# 2010 - Windows Forms application. The goal is to start the process as a hidden window, and unhide the window at

Answer 1

Sample code to unhide the window:

int hWnd;
Process[] processRunning = Process.GetProcesses();
foreach (Process pr in processRunning)
{
    if (pr.ProcessName == "notepad")
    {
        hWnd = pr.MainWindowHandle.ToInt32();
        ShowWindow(hWnd, SW_HIDE);
    }
}