private void DragStarted()
        {
            _isDragging   = true;
            _originalLeft = Canvas.GetLeft(_originalElement);
            _originalTop  = Canvas.GetTop(_originalElement);

            _overlayElement = new SimpleCircleAdorner(_originalElement);
            var layer = AdornerLayer.GetAdornerLayer(_originalElement);

            layer.Add(_overlayElement);
        }
        private void DragFinished(bool cancelled)
        {
            Mouse.Capture(null);
            if (_isDragging)
            {
                AdornerLayer.GetAdornerLayer(_overlayElement.AdornedElement).Remove(_overlayElement);

                if (cancelled == false)
                {
                    Canvas.SetTop(_originalElement, _originalTop + _overlayElement.TopOffset);
                    Canvas.SetLeft(_originalElement, _originalLeft + _overlayElement.LeftOffset);
                }
                _overlayElement = null;
            }
            _isDragging = false;
            _isDown     = false;
        }
Exemple #3
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        private void DragFinished(bool cancelled)
        {
            Mouse.Capture(null);
            if (_isDragging)
            {
                AdornerLayer.GetAdornerLayer(_overlayElement.AdornedElement).Remove(_overlayElement);

                if (cancelled == false)
                {
                    Canvas.SetTop(_originalElement, _originalTop + _overlayElement.TopOffset);
                    Canvas.SetLeft(_originalElement, _originalLeft + _overlayElement.LeftOffset);
                }
                _overlayElement = null;
            }
            _isDragging = false;
            _isDown = false;
        }
Exemple #4
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        private void DragStarted()
        {
            _isDragging = true;
            _originalLeft = Canvas.GetLeft(_originalElement);
            _originalTop = Canvas.GetTop(_originalElement);

            _overlayElement = new SimpleCircleAdorner(_originalElement);
            var layer = AdornerLayer.GetAdornerLayer(_originalElement);
            layer.Add(_overlayElement);
        }