/// <summary>
/// Handler for Pointer Moved event
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void OnPointerMoved(object sender, PointerRoutedEventArgs e)
{
var ptrPt = _parentLbItem != null?e.GetCurrentPoint(_parentLbItem) : e.GetCurrentPoint(AssociatedObject);
var isValidPointer = (((e.Pointer.PointerDeviceType == PointerDeviceType.Mouse)) &&
(((DragButton == DragButtonType.MouseLeftButton) && (ptrPt.Properties.IsLeftButtonPressed)) ||
((DragButton == DragButtonType.MouseRightButton) && (ptrPt.Properties.IsRightButtonPressed)) ||
((DragButton == DragButtonType.MouseMiddleButton) && (ptrPt.Properties.IsMiddleButtonPressed)))) ||
((e.Pointer.PointerDeviceType == PointerDeviceType.Pen) && (DragButton == DragButtonType.Pen)) ||
((e.Pointer.PointerDeviceType == PointerDeviceType.Touch) && (DragButton == DragButtonType.Touch));
if (!isValidPointer)
{
return;
}
// Get the location
var position = ptrPt.RawPosition;
var fElem = AssociatedObject as FrameworkElement;
if ((fElem == null) || (_parentFwPanel == null))
{
return;
}
// Get the location with respect to the parent
var positionInParent = e.GetCurrentPoint(_parentFwPanel).RawPosition;
await _parentFwPanel.FluidDragAsync(_parentLbItem ?? AssociatedObject, position, positionInParent);
}
private async void OnPreviewMouseMove(object sender, MouseEventArgs e)
{
var isDragging = false;
switch (DragButton)
{
case MouseButton.Left:
if (e.LeftButton == MouseButtonState.Pressed)
{
isDragging = true;
}
break;
case MouseButton.Middle:
if (e.MiddleButton == MouseButtonState.Pressed)
{
isDragging = true;
}
break;
case MouseButton.Right:
if (e.RightButton == MouseButtonState.Pressed)
{
isDragging = true;
}
break;
case MouseButton.XButton1:
if (e.XButton1 == MouseButtonState.Pressed)
{
isDragging = true;
}
break;
case MouseButton.XButton2:
if (e.XButton2 == MouseButtonState.Pressed)
{
isDragging = true;
}
break;
}
if (!isDragging)
{
return;
}
var position = _parentLbItem != null?e.GetPosition(_parentLbItem) : e.GetPosition(AssociatedObject);
var fElem = AssociatedObject as FrameworkElement;
if ((fElem == null) || (_parentFwPanel == null))
{
return;
}
var positionInParent = e.GetPosition(_parentFwPanel);
await _parentFwPanel.FluidDragAsync(_parentLbItem ?? AssociatedObject, position, positionInParent);
}