add Screenshot

src/Shared/HandyControl_Shared/Data/Enum/PlacementType.cs

@@ -0,0 +1,66 @@
+
+namespace HandyControl.Data
+{
+    public enum PlacementType
+    {
+        /// <summary>
+        /// 左上
+        /// </summary>
+        LeftTop,
+        
+        /// <summary>
+        /// 左
+        /// </summary>
+        Left,
+        
+        /// <summary>
+        /// 左下
+        /// </summary>
+        LeftBottom,
+
+        /// <summary>
+        /// 上左
+        /// </summary>
+        TopLeft,
+
+        /// <summary>
+        /// 上
+        /// </summary>
+        Top,
+
+        /// <summary>
+        /// 上右
+        /// </summary>
+        TopRight,
+
+        /// <summary>
+        /// 右上
+        /// </summary>
+        RightTop,
+        
+        /// <summary>
+        /// 右
+        /// </summary>
+        Right,
+        
+        /// <summary>
+        /// 右下
+        /// </summary>
+        RightBottom,
+               
+        /// <summary>
+        /// 下左
+        /// </summary>
+        BottomLeft,
+        
+        /// <summary>
+        /// 下
+        /// </summary>
+        Bottom,
+        
+        /// <summary>
+        /// 下右
+        /// </summary>
+        BottomRight,
+    }
+}

src/Shared/HandyControl_Shared/Data/Enum/TipPlacement.cs

@@ -1,7 +1,7 @@
 
 namespace HandyControl.Data
 {
-    public enum TipPlacement
+    public enum PlacementType
     {
         /// <summary>
         /// 左上