private void createStartupTask()
{
TaskDefinition td = ts.NewTask();
td.RegistrationInfo.Description = "Monitors " + txtFolder.Text + " for files of format \""
+ txtFilter.Text + "\" with changes in";
Array notifyFilters = Enum.GetValues(typeof(NotifyFilters));
foreach (object s in notifyFilters)
{
NotifyFilters f = (NotifyFilters)Enum.Parse(typeof(NotifyFilters), s.ToString());
if ((f & watcher.NotifyFilter) == f)
{
td.RegistrationInfo.Description += ' ' + f.ToString() + ',';
}
}
if (td.RegistrationInfo.Description.IndexOf(',') != td.RegistrationInfo.Description.LastIndexOf(','))
{
string lastItem = td.RegistrationInfo.Description.Substring(td.RegistrationInfo.Description.LastIndexOf(' '));
lastItem.Replace(" ", " and ");
td.RegistrationInfo.Description = td.RegistrationInfo.Description.Remove(td.RegistrationInfo.Description.LastIndexOf(' '));
td.RegistrationInfo.Description += lastItem;
}
int idx = td.RegistrationInfo.Description.LastIndexOf(',');
if (idx > 0)
{
td.RegistrationInfo.Description = td.RegistrationInfo.Description.Remove(idx);
td.RegistrationInfo.Description += '.';
}
else
{
td.RegistrationInfo.Description += " [no attributes selected].";
}
td.Triggers.Add(new LogonTrigger());
string filePath = Application.ExecutablePath;
string arguments = "\"" + txtFolder.Text +
(txtFilter.Text.Contains("*") ? "" : '\\' + txtFilter.Text) + "\" " +
(int)watcher.NotifyFilter + (IncludeSubdirs.Checked ? " /r" : " /nr");
td.Actions.Add(filePath, arguments);
setTaskName();
td.Settings.ExecutionTimeLimit = new TimeSpan(0);
td.Settings.StopIfGoingOnBatteries = false;
td.Settings.DisallowStartIfOnBatteries = false;
ts.RootFolder.RegisterTaskDefinition(taskName, td);
}
//--------------------------------------------------------------------------------
/// <summary>
/// Actually creates the necessary FileSystemWatcher objects, depending oin which
/// notify filters and change types the user specified.
/// </summary>
/// <param name="changeType"></param>
/// <param name="filter"></param>
private void CreateWatcher(bool changedWatcher, NotifyFilters filter)
{
Debug.WriteLine(string.Format("WatcherEx.CreateWatcher({0}, {1})", changedWatcher.ToString(), filter.ToString()));
FileSystemWatcherEx watcher = null;
int bufferSize = (int)this.watcherInfo.BufferKBytes * 1024;
// Each "Change" filter gets its own watcher so we can determine *what*
// actually changed. This will allow us to react only to the change events
// that we actually want. The reason I do this is because some programs
// fire TWO events for certain changes. For example, Notepad sends two
// events when a file is created. One for CreationTime, and one for
// Attributes.
if (changedWatcher)
{
// if we're not handling the currently specified filter, get out
if (HandleNotifyFilter(filter))
{
watcher = new FileSystemWatcherEx(this.watcherInfo.WatchPath);
watcher.IncludeSubdirectories = this.watcherInfo.IncludeSubFolders;
watcher.Filter = this.watcherInfo.FileFilter;
watcher.NotifyFilter = filter;
watcher.InternalBufferSize = bufferSize;
switch (filter)
{
case NotifyFilters.Attributes:
watcher.Changed += new FileSystemEventHandler(watcher_ChangedAttribute);
break;
case NotifyFilters.CreationTime:
watcher.Changed += new FileSystemEventHandler(watcher_ChangedCreationTime);
break;
case NotifyFilters.DirectoryName:
watcher.Changed += new FileSystemEventHandler(watcher_ChangedDirectoryName);
break;
case NotifyFilters.FileName:
watcher.Changed += new FileSystemEventHandler(watcher_ChangedFileName);
break;
case NotifyFilters.LastAccess:
watcher.Changed += new FileSystemEventHandler(watcher_ChangedLastAccess);
break;
case NotifyFilters.LastWrite:
watcher.Changed += new FileSystemEventHandler(watcher_ChangedLastWrite);
break;
case NotifyFilters.Security:
watcher.Changed += new FileSystemEventHandler(watcher_ChangedSecurity);
break;
case NotifyFilters.Size:
watcher.Changed += new FileSystemEventHandler(watcher_ChangedSize);
break;
}
}
}
// All other FileSystemWatcher events are handled through a single "main"
// watcher.
else
{
if (HandleWatchesFilter(WatcherChangeTypes.Created) ||
HandleWatchesFilter(WatcherChangeTypes.Deleted) ||
HandleWatchesFilter(WatcherChangeTypes.Renamed) ||
this.watcherInfo.WatchForError ||
this.watcherInfo.WatchForDisposed)
{
watcher = new FileSystemWatcherEx(this.watcherInfo.WatchPath, watcherInfo.MonitorPathInterval);
watcher.IncludeSubdirectories = this.watcherInfo.IncludeSubFolders;
watcher.Filter = this.watcherInfo.FileFilter;
watcher.InternalBufferSize = bufferSize;
}
if (HandleWatchesFilter(WatcherChangeTypes.Created))
{
watcher.Created += new FileSystemEventHandler(watcher_CreatedDeleted);
}
if (HandleWatchesFilter(WatcherChangeTypes.Deleted))
{
watcher.Deleted += new FileSystemEventHandler(watcher_CreatedDeleted);
}
if (HandleWatchesFilter(WatcherChangeTypes.Renamed))
{
watcher.Renamed += new RenamedEventHandler(watcher_Renamed);
}
if (watcherInfo.MonitorPathInterval > 0)
{
watcher.EventPathAvailability += new PathAvailabilityHandler(watcher_EventPathAvailability);
}
}
if (watcher != null)
{
if (this.watcherInfo.WatchForError)
{
watcher.Error += new ErrorEventHandler(watcher_Error);
}
if (this.watcherInfo.WatchForDisposed)
{
watcher.Disposed += new EventHandler(watcher_Disposed);
}
this.watchers.Add(watcher);
}
}
