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Util/MarginHide.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using System.Drawing; //添加引用
+using System.Windows.Forms;//添加引用
+using MouseEventArgs = System.Windows.Input.MouseEventArgs;
+using System.Windows;
+using System.Windows.Media.Animation;
+using System.Windows.Media;
+
+namespace GeekDesk.Util
+{
+
+    enum HidePosition
+    {
+        TOP = 1,
+        LEFT = 2,
+        RIGHT = 3
+    }
+
+    public class MarginHide
+    {
+        readonly Window window;//定义使用该方法的窗体
+
+        private readonly int hideTime = 150;
+
+        private readonly int taskTime = 200;
+
+        private bool isHide;
+
+        public Timer timer;
+        //构造函数，传入将要匹配的窗体      
+        public MarginHide(Window window)
+        {
+            this.window = window;
+        }
+
+
+        /// <summary>
+        /// 窗体是否贴边
+        /// </summary>
+        /// <returns></returns>
+        public bool IsMargin()
+        {
+            double screenLeft = SystemParameters.VirtualScreenLeft;
+            double screenTop = SystemParameters.VirtualScreenTop;
+            double screenWidth = SystemParameters.VirtualScreenWidth;
+
+            double windowWidth = window.Width;
+
+            double windowTop = window.Top;
+            double windowLeft = window.Left;
+
+            //窗体是否贴边
+            return (windowLeft <= screenLeft
+                || windowTop <= screenTop
+                || windowLeft + windowWidth + Math.Abs(screenLeft) >= screenWidth);
+        }
+
+   
+
+        #region 窗体贴边隐藏功能
+        private void TimerDealy(object o, EventArgs e)
+        {
+            if (window.Visibility != Visibility.Visible) return;
+
+            double screenLeft = SystemParameters.VirtualScreenLeft;
+            double screenTop = SystemParameters.VirtualScreenTop;
+            double screenWidth = SystemParameters.VirtualScreenWidth;
+
+            double windowHeight = window.Height;
+            double windowWidth = window.Width;
+
+            double windowTop = window.Top;
+            double windowLeft = window.Left;
+
+            //获取鼠标位置
+            System.Windows.Point p = MouseUtil.GetMousePosition();
+            double mouseX = p.X;
+            double mouseY = p.Y;
+
+            //鼠标不在窗口上
+            if (mouseX < windowLeft || mouseX > windowLeft + windowWidth
+                || mouseY < windowTop || mouseY > windowTop + windowHeight)
+            {
+                //上方隐藏条件
+                if (windowTop <= screenTop)
+                {
+                    HideAnimation(windowTop, screenTop - windowHeight + 1, Window.TopProperty);
+                    isHide = true;
+                    return;
+                }
+                //左侧隐藏条件
+                if (windowLeft <= screenLeft)
+                {
+                    HideAnimation(windowLeft, screenLeft - windowWidth + 1, Window.LeftProperty);
+                    return;
+                }
+                //右侧隐藏条件
+                if (windowLeft + windowWidth + Math.Abs(screenLeft) >= screenWidth)
+                {
+                    HideAnimation(windowLeft, screenWidth - Math.Abs(screenLeft) - 1, Window.LeftProperty);
+                    return;
+                }
+            } else if (mouseX >= windowLeft && mouseX <= windowLeft + windowWidth 
+                && mouseY >= windowTop && mouseY <= windowTop + windowHeight)
+            {
+                //上方显示
+                if (windowTop <= screenTop - 1)
+                {
+                    HideAnimation(windowTop, screenTop, Window.TopProperty);
+                    return;
+                }
+                //左侧显示
+                if (windowLeft <= screenLeft -1)
+                {
+                    HideAnimation(windowLeft, screenLeft, Window.LeftProperty);
+                    return;
+                }
+                //右侧显示
+                if (windowLeft + Math.Abs(screenLeft) == screenWidth -1)
+                {
+                    HideAnimation(windowLeft, screenWidth - Math.Abs(screenLeft) - windowWidth, Window.LeftProperty);
+                    return;
+                }
+            }
+
+        }
+        #endregion 
+
+
+        public void TimerSet()
+        {
+            timer = new Timer();//添加timer计时器，隐藏功能
+            #region 计时器设置，隐藏功能
+            timer.Interval = taskTime;
+            timer.Tick += TimerDealy;
+            timer.Start();
+            #endregion
+        }
+
+        public void TimerStop()
+        {
+            timer.Stop();
+            //功能关闭 如果界面是隐藏状态  那么要显示界面 ↓
+
+            double screenLeft = SystemParameters.VirtualScreenLeft;
+            double screenTop = SystemParameters.VirtualScreenTop;
+            double screenWidth = SystemParameters.VirtualScreenWidth;
+
+            double windowWidth = window.Width;
+
+            double windowTop = window.Top;
+            double windowLeft = window.Left;
+
+            //左侧显示
+            if (windowLeft <= screenLeft - 1)
+            {
+                HideAnimation(windowLeft, screenLeft, Window.LeftProperty);
+                return;
+            }
+
+            //上方显示
+            if (windowTop <= screenTop - 1)
+            {
+                HideAnimation(windowTop, screenTop, Window.TopProperty);
+                return;
+            }
+
+            //右侧显示
+            if (windowLeft + Math.Abs(screenLeft) == screenWidth - 1)
+            {
+                HideAnimation(windowLeft, screenWidth - Math.Abs(screenLeft) - windowWidth, Window.LeftProperty);
+                return;
+            }
+        }
+
+
+        private void HideAnimation(double from, double to, DependencyProperty property)
+        {
+            DoubleAnimation da = new DoubleAnimation
+            {
+                From = from,
+                To = to,
+                Duration = new Duration(TimeSpan.FromMilliseconds(hideTime))
+            };
+            da.Completed += (s, e) =>
+            {
+                window.BeginAnimation(property, null);
+            };
+            Timeline.SetDesiredFrameRate(da, 30);
+            window.BeginAnimation(property, da);
+        }
+    }
+}
+