add LinearGeometryKeyFrame

src/Shared/HandyControl_Shared/Media/Animation/GeometryAnimationUsingKeyFrames.cs

@@ -0,0 +1,34 @@
+using System.Collections;
+using System.Windows;
+using System.Windows.Markup;
+using System.Windows.Media;
+using System.Windows.Media.Animation;
+
+namespace HandyControl.Media.Animation
+{
+    [ContentProperty("KeyFrames")]
+    public class GeometryAnimationUsingKeyFrames : GeometryAnimationBase, IKeyFrameAnimation, IAddChild
+    {
+        protected override Freezable CreateInstanceCore()
+        {
+            throw new System.NotImplementedException();
+        }
+
+        protected override Geometry GetCurrentValueCore(Geometry defaultOriginValue, Geometry defaultDestinationValue,
+            AnimationClock animationClock)
+        {
+            throw new System.NotImplementedException();
+        }
+
+        public IList KeyFrames { get; set; }
+        public void AddChild(object value)
+        {
+            throw new System.NotImplementedException();
+        }
+
+        public void AddText(string text)
+        {
+            throw new System.NotImplementedException();
+        }
+    }
+}