static IDisposable RegisterMinimalListener()
{
var window = new TransparentWindow();
window.Show();
Guid? desktopId = null;
var timeLimit = TimeSpan.FromSeconds(30);
var limitTimer = Stopwatch.StartNew();
COMException exception = null;
int attempts = 10;
while (limitTimer.Elapsed < timeLimit || attempts > 0)
{
attempts = Math.Max(0, attempts - 1);
try {
desktopId = VirtualDesktop.IdFromHwnd(window.Handle);
exception = null;
} catch (COMException ex) when(ex.Match(HResult.INVALID_STATE))
{
Dispatcher.CurrentDispatcher.Invoke(DispatcherPriority.Background, new Action(() => {}));
if (limitTimer.Elapsed >= timeLimit && attempts <= 0)
{
throw;
}
exception = ex;
}
}
if (desktopId == null && exception != null && limitTimer.Elapsed >= timeLimit)
{
throw exception;
}
var timer = new DispatcherTimer(DispatcherPriority.Normal)
{
Interval = TimeSpan.FromMilliseconds(250),
IsEnabled = true,
};
timer.Tick += delegate {
var newId = VirtualDesktop.IdFromHwnd(window.Handle);
if (newId == null || newId == desktopId)
{
return;
}
var newDesktop = VirtualDesktop.FromId(newId.Value);
var oldDesktop = desktopId == null ? null : VirtualDesktop.FromId(desktopId.Value);
var changedArgs = new VirtualDesktopChangedEventArgs(oldDesktop, newDesktop);
CurrentChanged?.Invoke(typeof(VirtualDesktop), changedArgs);
desktopId = newId;
};
return(Disposable.Create(() => {
timer.Stop();
window.Close();
}));
}
void IVirtualDesktopNotification.CurrentVirtualDesktopChanged(IVirtualDesktop pDesktopOld, IVirtualDesktop pDesktopNew)
{
var args = new VirtualDesktopChangedEventArgs(FromComObject(pDesktopOld), FromComObject(pDesktopNew));
if (CurrentChanged != null)
{
CurrentChanged.Invoke(this, args);
}
}
private void VirtualDesktop_CurrentChanged(object sender, VirtualDesktopChangedEventArgs e)
{
Dispatcher.BeginInvoke(DispatcherPriority.Normal, new Action(() =>
{
// Update Text by Current Desktop GUID
EventMessage.Text = e.NewDesktop.Id.ToString();
// Move my window to current virtual desktop
this.MoveToDesktop(e.NewDesktop);
}));
}
private void VirtualDesktopOnCurrentChanged(object sender, VirtualDesktopChangedEventArgs e)
{
if (!GeneralSettings.NotificationWhenSwitchedDesktop) return;
VisualHelper.InvokeOnUIDispatcher(() =>
{
var desktops = VirtualDesktop.GetDesktops();
var newIndex = Array.IndexOf(desktops, e.NewDesktop) + 1;
this.currentNotificationWindow?.Dispose();
this.currentNotificationWindow = ShowWindow(newIndex);
});
}
private void VirtualDesktopOnCurrentChanged(object sender, VirtualDesktopChangedEventArgs e)
{
if (!Settings.General.NotificationWhenSwitchedDesktop) return;
VisualHelper.InvokeOnUIDispatcher(() =>
{
var desktops = VirtualDesktop.GetDesktops();
var newIndex = Array.IndexOf(desktops, e.NewDesktop) + 1;
this._notificationWindow.Disposable = ShowWindow(newIndex);
// var imgDirectoryPath = @"D:\User\Pictures\vd-bg\";
var imgDirectoryPath = Settings.General.DesktopBackgroundFolderPath;
var bmpPath = imgDirectoryPath + newIndex.ToString() + ".bmp";
if (System.IO.File.Exists(bmpPath))
{
WallpaperService.Set(bmpPath);
}
});
}
private void VirtualDesktopOnCurrentChanged(object sender, VirtualDesktopChangedEventArgs e)
{
if (!GeneralSettings.NotificationWhenSwitchedDesktop) return;
VisualHelper.InvokeOnUIDispatcher(() =>
{
var desktops = VirtualDesktop.GetDesktops();
var newIndex = Array.IndexOf(desktops, e.NewDesktop) + 1;
this.currentNotificationWindow?.Dispose();
var vmodel = new NotificationWindowViewModel
{
Title = ProductInfo.Title,
Header = "Virtual Desktop Switched",
Body = "Current Desktop: Desktop " + newIndex,
};
this.currentNotificationWindow = ShowWindow(vmodel);
});
}
public static void RaiseCurrentChanged(object sender, VirtualDesktop pDesktopOld, VirtualDesktop pDesktopNew)
{
var args = new VirtualDesktopChangedEventArgs(pDesktopOld, pDesktopNew);
CurrentChanged?.Invoke(sender, args);
}
private void VirtualDesktop_CurrentChanged(object sender, VirtualDesktopChangedEventArgs e)
{
Dispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle, (Action)(() =>
{
try
{
this.MoveToDesktop(VirtualDesktop.Current);
}
catch (InvalidOperationException) { }
}));
}
void IVirtualDesktopNotification.CurrentVirtualDesktopChanged(IVirtualDesktop pDesktopOld, IVirtualDesktop pDesktopNew)
{
var args = new VirtualDesktopChangedEventArgs(FromComObject(pDesktopOld), FromComObject(pDesktopNew));
CurrentChanged?.Invoke(this, args);
}
private void VirtualDesktopOnCurrentChanged(object sender, VirtualDesktopChangedEventArgs e)
{
IntPtr[] targets;
lock (this._sync)
{
targets = this._pinnedWindows.Keys.ToArray();
}
VisualHelper.InvokeOnUIDispatcher(() =>
{
foreach (var hWnd in targets.Where(x => !VirtualDesktopHelper.MoveToDesktop(x, e.NewDesktop)))
{
this._helper.MoveWindowToDesktop(hWnd, e.NewDesktop.Id);
}
});
}
private void VirtualDesktopOnCurrentChanged(object sender, VirtualDesktopChangedEventArgs e)
{
Task.Run(() =>
{
if (!Settings.General.ChangeBackgroundEachDesktop) return;
var desktops = VirtualDesktop.GetDesktops();
var newIndex = Array.IndexOf(desktops, e.NewDesktop) + 1;
var file = this.GetWallpaperFiles(Settings.General.DesktopBackgroundFolderPath).FirstOrDefault(x => x.Number == newIndex);
if (file != null) this.Set(file.Filepath);
});
}
