月更

AntDesignWPF/Helpers/ProgressAssist.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Controls;
+using System.Windows.Media.Animation;
+using System.Windows;
+
+namespace AntDesign.WPF.Helpers
+{
+    public class ProgressAssist
+    {
+        public static double GetSmoothValue(DependencyObject obj)
+        {
+            return (double)obj.GetValue(SmoothValueProperty);
+        }
+
+        public static void SetSmoothValue(DependencyObject obj, double value)
+        {
+            obj.SetValue(SmoothValueProperty, value);
+        }
+
+        public static readonly DependencyProperty SmoothValueProperty =
+            DependencyProperty.RegisterAttached("SmoothValue", typeof(double), typeof(ProgressAssist), new PropertyMetadata(0.0, changing));
+
+        private static void changing(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            var anim = new DoubleAnimation((double)e.OldValue, (double)e.NewValue, new TimeSpan(0, 0, 0, 0, 300));
+            (d as ProgressBar).BeginAnimation(System.Windows.Controls.Primitives.RangeBase.ValueProperty, anim, HandoffBehavior.Compose);
+        }
+    }
+}