public void Dragging(object sender, MouseEventArgs e)
{
if (e.LeftButton != MouseButtonState.Pressed || DraggingItem == null)
{
DraggingItem = _dragSource.SelectedItem as OpPartViewModel;
return;
}
var actualPosition = e.GetPosition(null);
var moved = _startPosition - actualPosition;
if (SystemParameters.MinimumHorizontalDragDistance > Math.Abs(moved.X) && SystemParameters.MinimumVerticalDragDistance > Math.Abs(moved.Y))
{
return;
}
var dataFormat = DataFormats.FileDrop;
var dataObject = new DataObject(dataFormat, DraggingItem);
DragDrop.DoDragDrop(_dragSource, dataObject, DragDropEffects.Move);
}
public void Drop(object sender, DragEventArgs e)
{
MoveDraggedItemToNewListIfPossible(sender);
DraggingItem = null;
}
