/// <summary>
/// Runs a process.
/// </summary>
/// <param name="fileName">Name of the file.</param>
/// <param name="arguments">The arguments.</param>
/// <param name="workingDirectory">The working directory.</param>
public void StartProcess(string fileName, string arguments, string workingDirectory)
{
// Create the process start info.
var processStartInfo = new ProcessStartInfo(fileName)
{
Arguments = arguments,
// Set the options.
UseShellExecute = false,
ErrorDialog = false,
CreateNoWindow = true,
// Specify redirection.
RedirectStandardError = true,
RedirectStandardInput = true,
RedirectStandardOutput = true
};
if (!string.IsNullOrEmpty(workingDirectory))
{
processStartInfo.WorkingDirectory = workingDirectory;
}
// Create the process.
Process = new Process
{
EnableRaisingEvents = true,
StartInfo = processStartInfo
};
Process.Exited += CurrentProcess_Exited;
// Start the process.
try
{
Process.Start();
}
catch (Exception e)
{
// Trace the exception.
Trace.WriteLine("Failed to start process " + fileName + " with arguments '" + arguments + "'");
Trace.WriteLine(e.ToString());
return;
}
// Store name and arguments.
ProcessFileName = fileName;
ProcessArguments = arguments;
// Create the readers and writers.
InputWriter = Process.StandardInput;
OutputReader = TextReader.Synchronized(Process.StandardOutput);
ErrorReader = TextReader.Synchronized(Process.StandardError);
// Run the workers that read output and error.
OutputWorker.RunWorkerAsync();
ErrorWorker.RunWorkerAsync();
}
/// <summary>
/// Handles the Exited event of the currentProcess control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
void CurrentProcess_Exited(object sender, EventArgs e)
{
// Fire process exited.
if (Process is not null)
{
FireProcessExitEvent(Process.ExitCode);
}
// Disable the threads.
OutputWorker.CancelAsync();
ErrorWorker.CancelAsync();
InputWriter = null;
OutputReader = null;
ErrorReader = null;
Process = null;
ProcessFileName = null;
ProcessArguments = null;
}
/// <summary>
/// Handles the DoWork event of the errorWorker control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="DoWorkEventArgs" /> instance containing the event data.</param>
void ErrorWorker_DoWork(object sender, DoWorkEventArgs e)
{
while (!ErrorWorker.CancellationPending && ErrorReader is not null)
{
// Any lines to read?
int count;
var buffer = new char[1024];
do
{
var builder = new StringBuilder();
count = ErrorReader.Read(buffer, 0, 1024);
builder.Append(buffer, 0, count);
ErrorWorker.ReportProgress(0, builder.ToString());
} while (count > 0);
System.Threading.Thread.Sleep(200);
}
}
