地图遮罩功能（把米游社大地图搬到原神内） (#2655)

BetterGenshinImpact/Model/MaskMap/MaskMapPointClickArgs.cs

@@ -0,0 +1,16 @@
+using System.Windows;
+
+namespace BetterGenshinImpact.Model.MaskMap;
+
+public sealed class MaskMapPointClickArgs
+{
+    public MaskMapPointClickArgs(MaskMapPoint point, Point anchorPosition)
+    {
+        Point = point;
+        AnchorPosition = anchorPosition;
+    }
+
+    public MaskMapPoint Point { get; }
+
+    public Point AnchorPosition { get; }
+}