void BeginDragMove(MouseDevice device)
{
if (device == null)
{
device = Mouse.PrimaryDevice;
}
if (device.LeftButton != MouseButtonState.Pressed)
{
return;
}
if (this.WindowState == WindowState.Maximized)
{
device.Capture(this.mover);
this.mover.MouseMove += OnMoverMouseMove;
this.mover.LostMouseCapture += OnMoverLostCapture;
this.mover.MouseLeftButtonUp += OnMoverMouseLeftButtonUp;
this.moveStartPoint = device.GetPosition(this);
}
else
{
this.inDragMove = true;
this.DragMove();
this.inDragMove = false;
}
}
public void MouseDeviceCaptureTest()
{
Border child1 = new Border { Background = Brushes.Transparent, Width = 100, Height = 100 };
Border child2 = new Border { Background = Brushes.Transparent, Width = 100, Height = 100 };
Border child3 = new Border { Background = Brushes.Transparent, Width = 100, Height = 100 };
StackPanel panel = new StackPanel { IsRootElement = true };
panel.Children.Add(child1);
panel.Children.Add(child2);
MouseEventArgs lastArgs = null;
panel.MouseMove += (sender, e) => lastArgs = e;
TestPresentationSource presentationSource = new TestPresentationSource();
presentationSource.RootElement = panel;
panel.Measure(Size.Infinity);
panel.Arrange(new Rect(panel.DesiredSize));
MouseDevice mouseDevice = new MouseDevice(presentationSource);
mouseDevice.Activate();
mouseDevice.ProcessRawEvent(new RawMouseEventArgs(new Point(50, 50), 0));
Assert.AreEqual(child1, lastArgs.Source);
Assert.AreEqual(child1, mouseDevice.HitTarget);
Assert.AreEqual(null, mouseDevice.CaptureTarget);
Assert.AreEqual(child1, mouseDevice.Target);
mouseDevice.ProcessRawEvent(new RawMouseEventArgs(new Point(50, 150), 0));
Assert.AreEqual(child2, lastArgs.Source);
Assert.AreEqual(child2, mouseDevice.HitTarget);
Assert.AreEqual(null, mouseDevice.CaptureTarget);
Assert.AreEqual(child2, mouseDevice.Target);
mouseDevice.Capture(child2);
mouseDevice.ProcessRawEvent(new RawMouseEventArgs(new Point(50, 50), 0));
Assert.AreEqual(child2, lastArgs.Source);
Assert.AreEqual(child1, mouseDevice.HitTarget);
Assert.AreEqual(child2, mouseDevice.CaptureTarget);
Assert.AreEqual(child2, mouseDevice.Target);
mouseDevice.ReleaseCapture();
mouseDevice.ProcessRawEvent(new RawMouseEventArgs(new Point(50, 50), 0));
Assert.AreEqual(child1, lastArgs.Source);
Assert.AreEqual(child1, mouseDevice.HitTarget);
Assert.AreEqual(null, mouseDevice.CaptureTarget);
Assert.AreEqual(child1, mouseDevice.Target);
}