private void HandListBox_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
ignoredDeviceList.Remove(e.Device);
InputDeviceHelper.ClearDeviceState(e.Device);
InputDeviceHelper.InitializeDeviceState(e.Device);
}
private void HandListBox_PreviewMouseMove(object sender, MouseEventArgs e)
{
// If this is a mouse whose state has been initialized when its down event happens
if (InputDeviceHelper.GetDragSource(e.Device) != null)
{
StartDragDrop(HandListBox, e);
}
}
private void StartDragDrop(ListBox sourceListBox, InputEventArgs e)
{
DependencyObject downSource = InputDeviceHelper.GetDragSource(e.Device);
Debug.Assert(downSource != null);
SurfaceListBoxItem draggedListBoxItem = GetVisualAncestor <SurfaceListBoxItem>(downSource);
if (draggedListBoxItem == null)
{
return;
}
SimpleCard data = draggedListBoxItem.Content as SimpleCard;
// Create a new ScatterViewItem as cursor visual.
ScatterViewItem cursorVisual = new ScatterViewItem();
cursorVisual.Style = (Style)FindResource("ScatterItemStyle");
cursorVisual.Content = data;
IEnumerable <InputDevice> devices = null;
TouchEventArgs touchEventArgs = e as TouchEventArgs;
if (touchEventArgs != null)
{
devices = MergeInputDevices(draggedListBoxItem.TouchesCapturedWithin, e.Device);
}
else
{
devices = new List <InputDevice>(new InputDevice[] { e.Device });
}
SurfaceDragCursor cursor = SurfaceDragDrop.BeginDragDrop(HandListBox, draggedListBoxItem, cursorVisual, data, devices, DragDropEffects.All);
// Reset the input device's state.
InputDeviceHelper.ClearDeviceState(e.Device);
((ObservableCollection <SimpleCard>) this.HandListBox.ItemsSource).Remove(data);
}
