Update HandyControl/Controls/Slider/PreviewSlider.cs

HandyControl/Controls/Slider/PreviewSlider.cs

@@ -0,0 +1,10 @@
+using System.Windows.Controls;
+
+// ReSharper disable once CheckNamespace
+namespace HandyControl.Controls
+{
+    public class PreviewSlider : Slider
+    {
+        
+    }
+}