simplify new expression

src/Shared/HandyControl_Shared/Tools/Helper/AnimationHelper.cs

@@ -21,7 +21,7 @@ namespace HandyControl.Tools
         /// <returns></returns>
         public static ThicknessAnimation CreateAnimation(Thickness thickness = default, double milliseconds = 200)
         {
-            return new ThicknessAnimation(thickness, new Duration(TimeSpan.FromMilliseconds(milliseconds)))
+            return new(thickness, new Duration(TimeSpan.FromMilliseconds(milliseconds)))
             {
                 EasingFunction = new PowerEase { EasingMode = EasingMode.EaseInOut }
             };
@@ -35,7 +35,7 @@ namespace HandyControl.Tools
         /// <returns></returns>
         public static DoubleAnimation CreateAnimation(double toValue, double milliseconds = 200)
         {
-            return new DoubleAnimation(toValue, new Duration(TimeSpan.FromMilliseconds(milliseconds)))
+            return new(toValue, new Duration(TimeSpan.FromMilliseconds(milliseconds)))
             {
                 EasingFunction = new PowerEase { EasingMode = EasingMode.EaseInOut }
             };

src/Shared/HandyControl_Shared/Tools/Helper/SingleOpenHelper.cs

@@ -10,7 +10,7 @@ namespace HandyControl.Tools
     /// </summary>
     public class SingleOpenHelper
     {
-        private static readonly Dictionary<string, ISingleOpen> OpenDic = new Dictionary<string, ISingleOpen>();
+        private static readonly Dictionary<string, ISingleOpen> OpenDic = new();
 
         /// <summary>
         ///     根据指定的类型创建实例

src/Shared/HandyControl_Shared/Tools/Helper/WindowHelper.cs

@@ -20,13 +20,13 @@ namespace HandyControl.Tools
         /// <returns></returns>
         public static Window GetActiveWindow() => Application.Current.Windows.OfType<Window>().SingleOrDefault(x => x.IsActive);
 
-        private static readonly BitArray _cacheValid = new BitArray((int) InteropValues.CacheSlot.NumSlots);
+        private static readonly BitArray _cacheValid = new((int) InteropValues.CacheSlot.NumSlots);
 
         private static bool _setDpiX = true;
 
         private static bool _dpiInitialized;
 
-        private static readonly object _dpiLock = new object();
+        private static readonly object _dpiLock = new();
 
         private static int _dpi;