删除无用代码

Util/DragAdorner.cs

@@ -1,170 +0,0 @@
-// Copyright (C) Josh Smith - January 2007
-using System.Windows;
-using System.Windows.Documents;
-using System.Windows.Media;
-using System.Windows.Shapes;
-
-namespace WPF.JoshSmith.Adorners
-{
-    /// <summary>
-    /// Renders a visual which can follow the mouse cursor, 
-    /// such as during a drag-and-drop operation.
-    /// </summary>
-    public class DragAdorner : Adorner
-    {
-        #region Data
-
-        private Rectangle child = null;
-        private double offsetLeft = 0;
-        private double offsetTop = 0;
-
-        #endregion // Data
-
-        #region Constructor
-
-        /// <summary>
-        /// Initializes a new instance of DragVisualAdorner.
-        /// </summary>
-        /// <param name="adornedElement">The element being adorned.</param>
-        /// <param name="size">The size of the adorner.</param>
-        /// <param name="brush">A brush to with which to paint the adorner.</param>
-        public DragAdorner(UIElement adornedElement, Size size, Brush brush)
-            : base(adornedElement)
-        {
-            Rectangle rect = new Rectangle();
-            rect.Fill = brush;
-            rect.Width = size.Width;
-            rect.Height = size.Height;
-            rect.IsHitTestVisible = false;
-            this.child = rect;
-        }
-
-        #endregion // Constructor
-
-        #region Public Interface
-
-        #region GetDesiredTransform
-
-        /// <summary>
-        /// Override.
-        /// </summary>
-        /// <param name="transform"></param>
-        /// <returns></returns>
-        public override GeneralTransform GetDesiredTransform(GeneralTransform transform)
-        {
-            GeneralTransformGroup result = new GeneralTransformGroup();
-            result.Children.Add(base.GetDesiredTransform(transform));
-            result.Children.Add(new TranslateTransform(this.offsetLeft, this.offsetTop));
-            return result;
-        }
-
-        #endregion // GetDesiredTransform
-
-        #region OffsetLeft
-
-        /// <summary>
-        /// Gets/sets the horizontal offset of the adorner.
-        /// </summary>
-        public double OffsetLeft
-        {
-            get { return this.offsetLeft; }
-            set
-            {
-                this.offsetLeft = value;
-                UpdateLocation();
-            }
-        }
-
-        #endregion // OffsetLeft
-
-        #region SetOffsets
-
-        /// <summary>
-        /// Updates the location of the adorner in one atomic operation.
-        /// </summary>
-        /// <param name="left"></param>
-        /// <param name="top"></param>
-        public void SetOffsets(double left, double top)
-        {
-            this.offsetLeft = left;
-            this.offsetTop = top;
-            this.UpdateLocation();
-        }
-
-        #endregion // SetOffsets
-
-        #region OffsetTop
-
-        /// <summary>
-        /// Gets/sets the vertical offset of the adorner.
-        /// </summary>
-        public double OffsetTop
-        {
-            get { return this.offsetTop; }
-            set
-            {
-                this.offsetTop = value;
-                UpdateLocation();
-            }
-        }
-
-        #endregion // OffsetTop
-
-        #endregion // Public Interface
-
-        #region Protected Overrides
-
-        /// <summary>
-        /// Override.
-        /// </summary>
-        /// <param name="constraint"></param>
-        /// <returns></returns>
-        protected override Size MeasureOverride(Size constraint)
-        {
-            this.child.Measure(constraint);
-            return this.child.DesiredSize;
-        }
-
-        /// <summary>
-        /// Override.
-        /// </summary>
-        /// <param name="finalSize"></param>
-        /// <returns></returns>
-        protected override Size ArrangeOverride(Size finalSize)
-        {
-            this.child.Arrange(new Rect(finalSize));
-            return finalSize;
-        }
-
-        /// <summary>
-        /// Override.
-        /// </summary>
-        /// <param name="index"></param>
-        /// <returns></returns>
-        protected override Visual GetVisualChild(int index)
-        {
-            return this.child;
-        }
-
-        /// <summary>
-        /// Override.  Always returns 1.
-        /// </summary>
-        protected override int VisualChildrenCount
-        {
-            get { return 1; }
-        }
-
-        #endregion // Protected Overrides
-
-        #region Private Helpers
-
-        private void UpdateLocation()
-        {
-            AdornerLayer adornerLayer = this.Parent as AdornerLayer;
-            if (adornerLayer != null)
-                adornerLayer.Update(this.AdornedElement);
-        }
-
-        #endregion // Private Helpers
-    }
-}