private void OnDoWork(object sender, DoWorkEventArgs e)
{
try
{
BackgroundWorker worker = sender as BackgroundWorker;
FormsHelper helper = e.Argument as FormsHelper;
if (helper == null)
{
e.Result = -1;
return;
}
RegistrationOptions options = helper.Options;
if (options == null)
{
e.Result = -1;
return;
}
RegistrationHandler register = new RegistrationHandler();
e.Result = register.Run(options, helper);
}
catch
{
e.Result = -1;
return;
}
}
static int Main(string[] args)
{
// 1. Parse the commandline options to determine the requested task...
RegistrationOptions options = new RegistrationOptions();
bool argValid = options.Parse(args);
// 2. Get a pointer to the forground window. The idea here is that
// If the user is starting our application from an existing console
// shell, that shell will be the uppermost window. We'll get it
// and attach to it.
// Uses this idea from, Jeffrey Knight, since it fits our model instead
// of the recommended ATTACH_PARENT_PROCESS (DWORD)-1 parameter
bool startedInConsole = false;
IntPtr ptr = GetForegroundWindow();
int processId = -1;
GetWindowThreadProcessId(ptr, out processId);
Process process = Process.GetProcessById(processId);
startedInConsole = process != null && String.Equals(process.ProcessName,
"cmd", StringComparison.InvariantCultureIgnoreCase);
// 3. If the command option is invalid, or we just needed to show help...
int returnValue = -1;
if (!argValid || options.ShowHelp)
{
IRegistrationHelper helper = null;
bool consoleSuccess = false;
if (startedInConsole)
{
consoleSuccess = CreateConsole(startedInConsole, process);
helper = new ConsoleHelper();
}
else
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
helper = new FormsHelper();
}
if (helper != null)
{
helper.DisplayHelp();
}
if (consoleSuccess)
{
FreeConsole();
}
return(returnValue);
}
// 4. If requested to open the help file, process it...
if (options.IsViewer)
{
bool consoleSuccess = false;
IRegistrationHelper helper = null;
try
{
if (startedInConsole)
{
consoleSuccess = CreateConsole(startedInConsole, process);
helper = new ConsoleHelper();
}
else
{
helper = new NoneHelper();
}
RegistrationHandler register = new RegistrationHandler();
returnValue = register.Run(options, helper);
}
catch (Exception ex)
{
if (startedInConsole)
{
if (helper != null)
{
helper.WriteLine(ex);
}
}
else
{
MessageBox.Show(ex.ToString());
}
}
if (consoleSuccess)
{
FreeConsole();
}
return(returnValue);
}
// If started from the console, we will ignore any GUI request...
if (startedInConsole && !options.IsConsole)
{
options.SetMode(startedInConsole);
}
if (options.IsConsole)
{
bool consoleSuccess = false;
try
{
consoleSuccess = CreateConsole(startedInConsole, process);
if (consoleSuccess)
{
ConsoleHelper helper = new ConsoleHelper();
RegistrationHandler register = new RegistrationHandler();
returnValue = register.Run(options, helper);
}
}
catch
{
FormsHelper helper = new FormsHelper();
helper.DisplayHelp();
}
finally
{
if (consoleSuccess)
{
FreeConsole();
}
}
}
else
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
MainForm mainForm = new MainForm();
mainForm.SetOptions(options);
Application.Run(mainForm);
returnValue = mainForm.Result;
}
return(returnValue);
}