public IWindow Show(IntPtr hWnd)
{
PInvokes.ShowWindowAsync(hWnd, PInvokes.SW.Show);
PInvokes.SetForegroundWindow(hWnd);
return(new Window(hWnd));
}
public static void Show(IntPtr hWnd)
{
PInvokes.ShowWindowAsync(hWnd, PInvokes.SW.Show);
PInvokes.SetForegroundWindow(hWnd);
}
public static MessageToken <TipItem> ShowMessage(System.Windows.FrameworkElement balloon,
ObservableCollection <TipItem> data, int?timeout,
NotifyPosition position = NotifyPosition.ActiveScreen, PopupAnimation animation = PopupAnimation.None)
{
var dispatcher = balloon.Dispatcher;
if (!dispatcher.CheckAccess())
{
return(dispatcher.Invoke(DispatcherPriority.Normal,
(Func <MessageToken <TipItem> >)(() =>
ShowMessage(balloon, data, timeout, position, animation))) as
MessageToken <TipItem>);
}
if (balloon == null)
{
throw new ArgumentNullException("balloon");
}
if (timeout.HasValue && timeout < 500)
{
var msg = "Invalid timeout of {0} milliseconds. Timeout must be at least 500 ms";
msg = String.Format(msg, timeout);
throw new ArgumentOutOfRangeException("timeout", msg);
}
if (LogicalTreeHelper.GetParent(balloon) is Popup parent)
{
parent.Child = null;
var msg =
"Cannot display control [{0}] in a new balloon popup - that control already has a parent. You may consider creating new balloons every time you want to show one.";
msg = String.Format(msg, balloon);
throw new InvalidOperationException(msg);
}
var popup = new Popup();
popup.AllowsTransparency = true;
popup.PopupAnimation = animation;
popup.Placement = PlacementMode.AbsolutePoint;
popup.StaysOpen = true;
popup.DataContext = data;
Point point;
switch (position)
{
case NotifyPosition.Caret:
{
var rect = Utils.Window.GetCurrentWindowCaretPosition();
var X = (rect.Left + rect.Width / 2 - balloon.ActualWidth / 2);
var Y = (rect.Bottom + rect.Height / 2 - balloon.ActualHeight / 2);
if (X == 0 && Y == 0)
{
goto case NotifyPosition.ActiveWindowCenter;
}
point = new Point(X, Y);
break;
}
case NotifyPosition.ActiveWindowCenter:
{
var rect = Utils.Window.GetCurrentWindowRect();
var X = (rect.X + rect.Width / 2 - balloon.ActualWidth / 2);
var Y = (rect.Y + rect.Height / 2 - balloon.ActualHeight / 2);
point = new Point(X, Y);
break;
}
case NotifyPosition.ActiveScreen:
{
var screen = Screen.FromHandle(Utils.Window.CurrentWindowHandle);
if (screen.Equals(Screen.PrimaryScreen))
{
var p = TrayInfo.GetTrayLocation();
point = new Point(p.X, p.Y);
break;
}
var bounds = screen.Bounds;
var X = bounds.X + bounds.Width;
var Y = bounds.Y + bounds.Height;
point = new Point(X, Y);
break;
}
case NotifyPosition.Default:
{
var p = TrayInfo.GetTrayLocation();
point = new Point(p.X, p.Y);
break;
}
default:
throw new ArgumentOutOfRangeException(nameof(position) + " not supported", position, null);
}
popup.Child = balloon;
popup.HorizontalOffset = point.X + 1;
popup.VerticalOffset = point.Y - 2;
balloon.Focusable = true;
IInputElement element = null;
popup.Opened += (s, a) =>
{
element = Keyboard.FocusedElement;
var source = (HwndSource)PresentationSource.FromVisual(balloon);
var handle = source.Handle;
PInvokes.SetForegroundWindow(handle);
Keyboard.Focus(balloon);
};
popup.IsOpen = true;
popup.Focus();
var r = new MessageToken <TipItem>(popup);
popup.Closed += (s, a) =>
{
Keyboard.Focus(element);
r.Close();
};
void TimerTick(object sender, EventArgs e)
{
r.Timer.Tick -= TimerTick;
r.Close();
}
if (timeout.HasValue)
{
r.Timer = new DispatcherTimer {
Interval = TimeSpan.FromMilliseconds(timeout.Value)
};
r.Timer.Tick += TimerTick;
r.Timer.Start();
}
return(r);
}