public ApplicationStateStack()
{
m_StatesStack.OnApplicationStateChanged += () =>
{
OnApplicationStateChanged?.Invoke();
};
}
private void OnCurrentProcessExited(object sender, EventArgs e)
{
OnApplicationStateChanged?.Invoke(this, new ApplicationStateEventArgs(ApplicationState.Terminated));
}
public bool TryStartApplication(string applicationPath, out string errorText)
{
errorText = string.Empty;
try
{
if (CurrentProcess != null && !CurrentProcess.HasExited)
{
CurrentProcess.Kill();
}
var startInfo = CreateProcessInfo(applicationPath);
CurrentProcess = new Process
{
StartInfo = startInfo,
EnableRaisingEvents = true
};
CurrentProcess.Exited += OnCurrentProcessExited;
CurrentProcess.Start();
CurrentProcess.WaitForInputIdle(30000);
if (CurrentProcess.HasExited)
{
Process childProcess;
// Process terminated before idle state. The reason can be start of another process.
if (!TryGetChildProcess(CurrentProcess.Id, out childProcess, out errorText))
{
return(false);
}
CurrentProcess = childProcess;
}
if (CurrentProcess.MainWindowHandle == IntPtr.Zero)
{
double timer = _mainWindowShowTimeout * 1000;
const double CheckDelay = 0.100;
do
{
Thread.Sleep(TimeSpan.FromSeconds(CheckDelay));
timer -= CheckDelay;
} while (timer > 0 && CurrentProcess.MainWindowHandle == IntPtr.Zero);
if (CurrentProcess.MainWindowHandle == IntPtr.Zero)
{
errorText = $"{nameof(Process.MainWindowHandle)} not founded";
CurrentProcess.Kill();
return(false);
}
}
AttachToProcess(CurrentProcess);
OnApplicationStateChanged?.Invoke(this, new ApplicationStateEventArgs(ApplicationState.Started));
return(true);
}
catch (Exception exception)
{
errorText = exception.Message;
}
return(false);
}
