System.Diagnostics.Process process = new System.Diagnostics.Process();
System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
startInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
startInfo.FileName = "The app location but if you type with \ type \\";
startInfo.Arguments = "The command of the file if there is not then don't type here anything";
process.StartInfo = startInfo;
process.Start();