close #253

src/Shared/HandyControl_Shared/Data/ColorRange.cs

@@ -1,75 +0,0 @@
-using System.Windows.Media;
-
-
-namespace HandyControl.Data
-{
-    /// <summary>
-    ///     颜色范围
-    /// </summary>
-    public class ColorRange
-    {
-        /// <summary>
-        ///     颜色1
-        /// </summary>
-        private Color _color1;
-
-        /// <summary>
-        ///     颜色1
-        /// </summary>
-        public Color Color1
-        {
-            get => _color1;
-            set
-            {
-                _color1 = value;
-                Update();
-            }
-        }
-
-        /// <summary>
-        ///     颜色2
-        /// </summary>
-        private Color _color2;
-
-        /// <summary>
-        ///     颜色2
-        /// </summary>
-        public Color Color2
-        {
-            get => _color2;
-            set
-            {
-                _color2 = value;
-                Update();
-            }
-        }
-
-        /// <summary>
-        ///     颜色差值
-        /// </summary>
-        private readonly int[] _subColorArr = new int[4];
-
-        /// <summary>
-        ///     更新
-        /// </summary>
-        private void Update()
-        {
-            _subColorArr[0] = Color1.A - Color2.A;
-            _subColorArr[1] = Color1.R - Color2.R;
-            _subColorArr[2] = Color1.G - Color2.G;
-            _subColorArr[3] = Color1.B - Color2.B;
-        }
-
-        /// <summary>
-        ///     获取指定比例处的颜色
-        /// </summary>
-        /// <param name="range">范围（0-1）</param>
-        /// <returns></returns>
-        public Color GetColor(double range)
-        {
-            if (range < 0 || range > 1) return default;
-            return Color.FromArgb((byte)(_color1.A - _subColorArr[0] * range), (byte)(_color1.R - _subColorArr[1] * range),
-                (byte)(_color1.G - _subColorArr[2] * range), (byte)(_color1.B - _subColorArr[3] * range));
-        }
-    }
-}

src/Shared/HandyControl_Shared/Data/Info/SystemVersionInfo.cs

@@ -5,7 +5,7 @@ using System;
 
 namespace HandyControl.Data
 {
-    public struct SystemVersionInfo
+    public readonly struct SystemVersionInfo
     {
         public static SystemVersionInfo Windows10 => new SystemVersionInfo(10, 0, 10240);
 

src/Shared/HandyControl_Shared/Data/Range/ColorRange.cs

@@ -0,0 +1,63 @@
+using System.Windows.Media;
+
+
+namespace HandyControl.Data
+{
+    /// <summary>
+    ///     颜色范围
+    /// </summary>
+    public class ColorRange : IValueRange<Color>
+    {
+        private Color _start;
+
+        public Color Start
+        {
+            get => _start;
+            set
+            {
+                _start = value;
+                Update();
+            }
+        }
+
+        private Color _end;
+
+        public Color End
+        {
+            get => _end;
+            set
+            {
+                _end = value;
+                Update();
+            }
+        }
+
+        /// <summary>
+        ///     颜色差值
+        /// </summary>
+        private readonly int[] _subColorArr = new int[4];
+
+        /// <summary>
+        ///     更新
+        /// </summary>
+        private void Update()
+        {
+            _subColorArr[0] = _start.A - _end.A;
+            _subColorArr[1] = _start.R - _end.R;
+            _subColorArr[2] = _start.G - _end.G;
+            _subColorArr[3] = _start.B - _end.B;
+        }
+
+        /// <summary>
+        ///     获取指定比例处的颜色
+        /// </summary>
+        /// <param name="range">范围（0-1）</param>
+        /// <returns></returns>
+        public Color GetColor(double range)
+        {
+            if (range < 0 || range > 1) return default;
+            return Color.FromArgb((byte)(_start.A - _subColorArr[0] * range), (byte)(_start.R - _subColorArr[1] * range),
+                (byte)(_start.G - _subColorArr[2] * range), (byte)(_start.B - _subColorArr[3] * range));
+        }
+    }
+}

src/Shared/HandyControl_Shared/Data/Range/DateTimeRange.cs

@@ -0,0 +1,25 @@
+using System;
+
+namespace HandyControl.Data
+{
+    public struct DateTimeRange : IValueRange<DateTime>
+    {
+        public DateTimeRange(DateTime start)
+        {
+            Start = start;
+            End = start;
+        }
+
+        public DateTimeRange(DateTime start, DateTime end)
+        {
+            Start = start;
+            End = end;
+        }
+
+        public DateTime Start { get; set; }
+        
+        public DateTime End { get; set; }
+
+        public double TotalMilliseconds => (End - Start).TotalMilliseconds;
+    }
+}

src/Shared/HandyControl_Shared/Data/Range/DoubleRange.cs

@@ -0,0 +1,9 @@
+namespace HandyControl.Data
+{
+    public struct DoubleRange : IValueRange<double>
+    {
+        public double Start { get; set; }
+        
+        public double End { get; set; }
+    }
+}

src/Shared/HandyControl_Shared/Data/Range/IValueRange.cs

@@ -0,0 +1,9 @@
+namespace HandyControl.Data
+{
+    public interface IValueRange<T>
+    {
+        T Start { get; set; }
+
+        T End { get; set; }
+    }
+}