diff --git a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Cm.cs b/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Cm.cs
deleted file mode 100644
index 1e4a0cf..0000000
--- a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Cm.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-using System;
-using System.ComponentModel;
-
-namespace dotnetCampus.OpenXMLUnitConverter
-{
-    [EditorBrowsable(EditorBrowsableState.Never), Obsolete("请使用 dotnetCampus.OpenXmlUnitConverter 命名空间下的同名类型。")]
-    public class Cm : LegacyUnit<dotnetCampus.OpenXmlUnitConverter.Cm, Cm>
-    {
-        public Cm(double value)
-        {
-            Value = value;
-        }
-
-        public double Value { get; }
-
-        public static implicit operator Cm(dotnetCampus.OpenXmlUnitConverter.Cm newUnit)
-        {
-            return new Cm(newUnit.Value);
-        }
-    }
-}
diff --git a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Degree.cs b/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Degree.cs
deleted file mode 100644
index 21ef848..0000000
--- a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Degree.cs
+++ /dev/null
@@ -1,120 +0,0 @@
-using System;
-using System.ComponentModel;
-
-namespace dotnetCampus.OpenXMLUnitConverter
-{
-    [EditorBrowsable(EditorBrowsableState.Never), Obsolete("请使用 dotnetCampus.OpenXmlUnitConverter 命名空间下的同名类型。")]
-    public class Degree
-    {
-        public static readonly Degree Degree270 = Degree.FromDouble(270.0);
-
-        public static readonly Degree Degree90 = Degree.FromDouble(90);
-
-        public static readonly Degree Degree180 = Degree.FromDouble(180);
-
-
-        private int _intValue;
-        private const int MaxDegreeValue = 21600000;
-        private const double Precision = 60000.0;
-
-        public Degree(int value)
-        {
-            IntValue = value;
-        }
-
-        public int IntValue
-        {
-            get => _intValue;
-            private set
-            {
-                var d = value % MaxDegreeValue;
-                if (d < 0)
-                {
-                    d += MaxDegreeValue;
-                }
-
-                _intValue = d;
-            }
-        }
-
-        public double DoubleValue => IntValue / Precision;
-
-        public double ToRadiansValue() => DoubleValue / 180 * Math.PI;
-
-
-        public override bool Equals(object obj)
-        {
-            if ((obj == null) || this.GetType() != obj.GetType())
-            {
-                return false;
-            }
-            else
-            {
-                Degree p = (Degree)obj;
-                return IntValue == p.IntValue;
-            }
-        }
-
-        public override int GetHashCode()
-        {
-            return this.IntValue.GetHashCode();
-        }
-
-        public static Degree operator +(Degree a) => a;
-        public static Degree operator -(Degree a) => new Degree(-a.IntValue);
-
-        public static Degree operator +(Degree a, Degree b)
-            => new Degree(a.IntValue + b.IntValue);
-
-        public static Degree operator -(Degree a, Degree b)
-            => a + (-b);
-
-        public static Degree operator *(Degree a, double b)
-            => new Degree(((int)(a.IntValue * b)));
-
-        public static Degree operator *(double a, Degree b)
-            => new Degree(((int)(a * b.IntValue)));
-
-        public static Degree operator /(Degree a, double b)
-        {
-            if (b == 0)
-            {
-                throw new DivideByZeroException();
-            }
-
-            return new Degree((int)(a.IntValue / b));
-        }
-
-        public static bool operator >(Degree a, Degree b)
-            => a.IntValue > b.IntValue;
-
-        public static bool operator <(Degree a, Degree b)
-            => b > a;
-
-        public static bool operator ==(Degree a, Degree b)
-        {
-            return a.IntValue == b.IntValue;
-        }
-
-        public static bool operator !=(Degree a, Degree b)
-        {
-            return !(a == b);
-        }
-
-        public static Degree FromDouble(double value)
-        {
-            int v = (int)(value * Precision);
-            return new Degree(v);
-        }
-
-        public static implicit operator dotnetCampus.OpenXmlUnitConverter.Degree(Degree legacyUnit)
-        {
-            return new dotnetCampus.OpenXmlUnitConverter.Degree(legacyUnit.IntValue);
-        }
-
-        public static implicit operator Degree(dotnetCampus.OpenXmlUnitConverter.Degree newUnit)
-        {
-            return new Degree(newUnit.IntValue);
-        }
-    }
-}
diff --git a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Dxa.cs b/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Dxa.cs
deleted file mode 100644
index 1341bb9..0000000
--- a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Dxa.cs
+++ /dev/null
@@ -1,18 +0,0 @@
-using System;
-using System.ComponentModel;
-
-namespace dotnetCampus.OpenXMLUnitConverter
-{
-    [EditorBrowsable(EditorBrowsableState.Never), Obsolete("请使用 dotnetCampus.OpenXmlUnitConverter 命名空间下的同名类型。")]
-    public class Dxa : LegacyUnit<dotnetCampus.OpenXmlUnitConverter.Dxa, Dxa>
-    {
-        public Dxa(double value) => Value = value;
-
-        public double Value { get; }
-
-        public static implicit operator Dxa(dotnetCampus.OpenXmlUnitConverter.Dxa newUnit)
-        {
-            return new Dxa(newUnit.Value);
-        }
-    }
-}
diff --git a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Emu.cs b/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Emu.cs
deleted file mode 100644
index cc236cf..0000000
--- a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Emu.cs
+++ /dev/null
@@ -1,23 +0,0 @@
-using System;
-using System.ComponentModel;
-
-namespace dotnetCampus.OpenXMLUnitConverter
-{
-    [EditorBrowsable(EditorBrowsableState.Never), Obsolete("请使用 dotnetCampus.OpenXmlUnitConverter 命名空间下的同名类型。")]
-    public class Emu : LegacyUnit<dotnetCampus.OpenXmlUnitConverter.Emu, Emu>
-    {
-        public Emu(double value)
-        {
-            Value = value;
-        }
-
-        public double Value { get; }
-
-        public static readonly Emu Zero = new Emu(0);
-
-        public static implicit operator Emu(dotnetCampus.OpenXmlUnitConverter.Emu newUnit)
-        {
-            return new Emu(newUnit.Value);
-        }
-    }
-}
diff --git a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/EmuPercentage.cs b/src/dotnetCampus.OpenXmlUnitConverter/Legacy/EmuPercentage.cs
deleted file mode 100644
index 843db34..0000000
--- a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/EmuPercentage.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-using System;
-using System.ComponentModel;
-
-namespace dotnetCampus.OpenXMLUnitConverter
-{
-    [EditorBrowsable(EditorBrowsableState.Never), Obsolete("请使用 dotnetCampus.OpenXmlUnitConverter 命名空间下的同名类型。")]
-    public class EmuPercentage : LegacyUnit<dotnetCampus.OpenXmlUnitConverter.EmuPercentage, EmuPercentage>
-    {
-        public EmuPercentage(double value)
-        {
-            Value = value;
-        }
-
-        public double Value { get; }
-
-        public static implicit operator EmuPercentage(dotnetCampus.OpenXmlUnitConverter.EmuPercentage newUnit)
-        {
-            return new EmuPercentage(newUnit.Value);
-        }
-    }
-}
diff --git a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/HalfPoint.cs b/src/dotnetCampus.OpenXmlUnitConverter/Legacy/HalfPoint.cs
deleted file mode 100644
index 9145a45..0000000
--- a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/HalfPoint.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-using System;
-using System.ComponentModel;
-
-namespace dotnetCampus.OpenXMLUnitConverter
-{
-    [EditorBrowsable(EditorBrowsableState.Never), Obsolete("请使用 dotnetCampus.OpenXmlUnitConverter 命名空间下的同名类型。")]
-    public class HalfPoint : LegacyUnit<dotnetCampus.OpenXmlUnitConverter.HalfPoint, HalfPoint>
-    {
-        public HalfPoint(double value)
-        {
-            Value = value;
-        }
-
-        public double Value { get; }
-
-        public static implicit operator HalfPoint(dotnetCampus.OpenXmlUnitConverter.HalfPoint newUnit)
-        {
-            return new HalfPoint(newUnit.Value);
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Inch.cs b/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Inch.cs
deleted file mode 100644
index f5903fc..0000000
--- a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Inch.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-using System;
-using System.ComponentModel;
-
-namespace dotnetCampus.OpenXMLUnitConverter
-{
-    [EditorBrowsable(EditorBrowsableState.Never), Obsolete("请使用 dotnetCampus.OpenXmlUnitConverter 命名空间下的同名类型。")]
-    public class Inch : LegacyUnit<dotnetCampus.OpenXmlUnitConverter.Inch, Inch>
-    {
-        public Inch(double value)
-        {
-            Value = value;
-        }
-
-        public double Value { get; }
-
-        public static implicit operator Inch(dotnetCampus.OpenXmlUnitConverter.Inch newUnit)
-        {
-            return new Inch(newUnit.Value);
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/LegacyUnit.cs b/src/dotnetCampus.OpenXmlUnitConverter/Legacy/LegacyUnit.cs
deleted file mode 100644
index db49974..0000000
--- a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/LegacyUnit.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace dotnetCampus.OpenXMLUnitConverter
-{
-    [EditorBrowsable(EditorBrowsableState.Never), Obsolete("此类型仅供兼容代码使用，请勿直接调用。")]
-    public abstract class LegacyUnit<T, TLegacy>
-        where T : struct
-        where TLegacy : LegacyUnit<T, TLegacy>
-    {
-        public static implicit operator T(LegacyUnit<T, TLegacy> legacyUnit)
-        {
-            var legacyValue = legacyUnit.GetType().GetProperty("Value", typeof(double))!.GetValue(legacyUnit);
-            return (T)typeof(T).GetConstructor(new[] { typeof(double) })!.Invoke(null, new object[] { legacyValue });
-        }
-    }
-}
diff --git a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Mm.cs b/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Mm.cs
deleted file mode 100644
index c2358d4..0000000
--- a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Mm.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-using System;
-using System.ComponentModel;
-
-namespace dotnetCampus.OpenXMLUnitConverter
-{
-    [EditorBrowsable(EditorBrowsableState.Never), Obsolete("请使用 dotnetCampus.OpenXmlUnitConverter 命名空间下的同名类型。")]
-    public class Mm : LegacyUnit<dotnetCampus.OpenXmlUnitConverter.Mm, Mm>
-    {
-        public Mm(double value)
-        {
-            Value = value;
-        }
-
-        public double Value { get; }
-
-        public static implicit operator Mm(dotnetCampus.OpenXmlUnitConverter.Mm newUnit)
-        {
-            return new Mm(newUnit.Value);
-        }
-    }
-}
diff --git a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Percentage.cs b/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Percentage.cs
deleted file mode 100644
index 79160e9..0000000
--- a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Percentage.cs
+++ /dev/null
@@ -1,129 +0,0 @@
-using System;
-using System.ComponentModel;
-
-namespace dotnetCampus.OpenXMLUnitConverter
-{
-    [EditorBrowsable(EditorBrowsableState.Never), Obsolete("请使用 dotnetCampus.OpenXmlUnitConverter 命名空间下的同名类型。")]
-    public class Percentage
-    {
-        private const double Precision = 100000.0;
-
-        public Percentage(int value)
-        {
-            IntValue = value;
-        }
-
-        /// <summary>
-        /// 从一个 OpenXML 的数值转换为百分比
-        /// </summary>
-        /// <param name="percentageText"></param>
-        public Percentage(string percentageText)
-        {
-            if (int.TryParse(percentageText, out var intValue))
-            {
-                IntValue = intValue;
-                return;
-            }
-            else
-            {
-                // 如果是带了百分比的
-                if (percentageText.Length > 1 && percentageText.EndsWith("%"))
-                {
-                    var newPercentageText = percentageText.Substring(0, percentageText.Length - 1);
-                    if (double.TryParse(newPercentageText, out var doubleValue))
-                    {
-                        IntValue = (int)Math.Round(doubleValue * 1000);
-
-                        return;
-                    }
-                }
-            }
-
-            throw new ArgumentException(
-                $"Can not convert PercentageText={percentageText} to {nameof(OpenXmlUnitConverter.Percentage)} value.");
-        }
-
-        public static Percentage FromDouble(double value)
-        {
-            int v = (int)(value * Precision);
-            return new Percentage(v);
-        }
-
-        public int IntValue { get; }
-
-        public double DoubleValue => IntValue / Precision;
-
-        public double DoubleValueWithRange(double min, double max)
-        {
-            if (min > max)
-            {
-                throw new InvalidOperationException($"{nameof(max)}:{max} must greater than {nameof(min)}:{min}");
-            }
-
-            var value = IntValue / Precision;
-            value = value > max ? max : value;
-            value = value < min ? min : value;
-            return value;
-        }
-
-        public override bool Equals(object obj)
-        {
-            if ((obj == null) || this.GetType() != obj.GetType())
-            {
-                return false;
-            }
-            else
-            {
-                Percentage p = (Percentage)obj;
-                return IntValue == p.IntValue;
-            }
-        }
-
-        public override int GetHashCode()
-        {
-            return this.IntValue.GetHashCode();
-        }
-
-        public static Percentage operator +(Percentage a) => a;
-        public static Percentage operator -(Percentage a) => new Percentage(-a.IntValue);
-
-        public static Percentage operator +(Percentage a, Percentage b)
-            => new Percentage(a.IntValue + b.IntValue);
-
-        public static Percentage operator -(Percentage a, Percentage b)
-            => a + (-b);
-
-        public static Percentage operator *(Percentage a, Percentage b)
-            => new Percentage(a.IntValue * b.IntValue);
-
-        public static Percentage operator /(Percentage a, Percentage b)
-        {
-            if (b.IntValue == 0)
-            {
-                throw new DivideByZeroException();
-            }
-
-            return new Percentage(a.IntValue / b.IntValue);
-        }
-
-        public static bool operator >(Percentage a, Percentage b)
-        {
-            return a.IntValue > b.IntValue;
-        }
-
-        public static bool operator <(Percentage a, Percentage b)
-        {
-            return b > a;
-        }
-
-        public static implicit operator dotnetCampus.OpenXmlUnitConverter.Percentage(Percentage legacyUnit)
-        {
-            return new dotnetCampus.OpenXmlUnitConverter.Percentage(legacyUnit.IntValue);
-        }
-
-        public static implicit operator Percentage(dotnetCampus.OpenXmlUnitConverter.Percentage newUnit)
-        {
-            return new Percentage(newUnit.IntValue);
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Pixel.cs b/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Pixel.cs
deleted file mode 100644
index 8d2808c..0000000
--- a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Pixel.cs
+++ /dev/null
@@ -1,23 +0,0 @@
-using System;
-using System.ComponentModel;
-
-namespace dotnetCampus.OpenXMLUnitConverter
-{
-    [EditorBrowsable(EditorBrowsableState.Never), Obsolete("请使用 dotnetCampus.OpenXmlUnitConverter 命名空间下的同名类型。")]
-    public class Pixel : LegacyUnit<dotnetCampus.OpenXmlUnitConverter.Pixel, Pixel>
-    {
-        public Pixel(double value)
-        {
-            Value = value;
-        }
-
-        public double Value { get; }
-
-        public static readonly Pixel ZeroPixel = new Pixel(0);
-
-        public static implicit operator Pixel(dotnetCampus.OpenXmlUnitConverter.Pixel newUnit)
-        {
-            return new Pixel(newUnit.Value);
-        }
-    }
-}
diff --git a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/PixelPercentage.cs b/src/dotnetCampus.OpenXmlUnitConverter/Legacy/PixelPercentage.cs
deleted file mode 100644
index 99ba70b..0000000
--- a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/PixelPercentage.cs
+++ /dev/null
@@ -1,18 +0,0 @@
-using System;
-using System.ComponentModel;
-
-namespace dotnetCampus.OpenXMLUnitConverter
-{
-    [EditorBrowsable(EditorBrowsableState.Never), Obsolete("请使用 dotnetCampus.OpenXmlUnitConverter 命名空间下的同名类型。")]
-    public class PixelPercentage : Percentage
-    {
-        public PixelPercentage(int value) : base(value)
-        {
-        }
-
-        public static implicit operator PixelPercentage(dotnetCampus.OpenXmlUnitConverter.PixelPercentage newUnit)
-        {
-            return new PixelPercentage(newUnit.IntValue);
-        }
-    }
-}
diff --git a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Pound.cs b/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Pound.cs
deleted file mode 100644
index e54158a..0000000
--- a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Pound.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-using System;
-using System.ComponentModel;
-
-namespace dotnetCampus.OpenXMLUnitConverter
-{
-    [EditorBrowsable(EditorBrowsableState.Never), Obsolete("请使用 dotnetCampus.OpenXmlUnitConverter 命名空间下的同名类型。")]
-    public class Pound : LegacyUnit<dotnetCampus.OpenXmlUnitConverter.Pound, Pound>
-    {
-        public Pound(double value)
-        {
-            Value = value;
-        }
-
-        public double Value { get; }
-
-        public static implicit operator Pound(dotnetCampus.OpenXmlUnitConverter.Pound newUnit)
-        {
-            return new Pound(newUnit.Value);
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/PoundHundredfold.cs b/src/dotnetCampus.OpenXmlUnitConverter/Legacy/PoundHundredfold.cs
deleted file mode 100644
index 5f32fa3..0000000
--- a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/PoundHundredfold.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-using System;
-using System.ComponentModel;
-
-namespace dotnetCampus.OpenXMLUnitConverter
-{
-    [EditorBrowsable(EditorBrowsableState.Never), Obsolete("请使用 dotnetCampus.OpenXmlUnitConverter 命名空间下的同名类型。")]
-    public class PoundHundredfold : LegacyUnit<dotnetCampus.OpenXmlUnitConverter.PoundHundredfold, PoundHundredfold>
-    {
-        public PoundHundredfold(double value)
-        {
-            Value = value;
-        }
-
-        public double Value { get; }
-
-        public static implicit operator PoundHundredfold(dotnetCampus.OpenXmlUnitConverter.PoundHundredfold newUnit)
-        {
-            return new PoundHundredfold(newUnit.Value);
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Pt.cs b/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Pt.cs
deleted file mode 100644
index 52d3d33..0000000
--- a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/Pt.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-using System;
-using System.ComponentModel;
-
-namespace dotnetCampus.OpenXMLUnitConverter
-{
-    [EditorBrowsable(EditorBrowsableState.Never), Obsolete("请使用 dotnetCampus.OpenXmlUnitConverter 命名空间下的同名类型。")]
-    public class Pt : LegacyUnit<dotnetCampus.OpenXmlUnitConverter.Pt, Pt>
-    {
-        public Pt(double value)
-        {
-            Value = value;
-        }
-
-        public double Value { get; }
-
-        public static implicit operator Pt(dotnetCampus.OpenXmlUnitConverter.Pt newUnit)
-        {
-            return new Pt(newUnit.Value);
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/PtHundredfold.cs b/src/dotnetCampus.OpenXmlUnitConverter/Legacy/PtHundredfold.cs
deleted file mode 100644
index 75692f3..0000000
--- a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/PtHundredfold.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-using System;
-using System.ComponentModel;
-
-namespace dotnetCampus.OpenXMLUnitConverter
-{
-    [EditorBrowsable(EditorBrowsableState.Never), Obsolete("请使用 dotnetCampus.OpenXmlUnitConverter 命名空间下的同名类型。")]
-    public class PtHundredfold : LegacyUnit<dotnetCampus.OpenXmlUnitConverter.PtHundredfold, PtHundredfold>
-    {
-        public PtHundredfold(double value)
-        {
-            Value = value;
-        }
-
-        public double Value { get; }
-
-        public static implicit operator PtHundredfold(dotnetCampus.OpenXmlUnitConverter.PtHundredfold newUnit)
-        {
-            return new PtHundredfold(newUnit.Value);
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/UnitConverter.cs b/src/dotnetCampus.OpenXmlUnitConverter/Legacy/UnitConverter.cs
deleted file mode 100644
index 9721088..0000000
--- a/src/dotnetCampus.OpenXmlUnitConverter/Legacy/UnitConverter.cs
+++ /dev/null
@@ -1,199 +0,0 @@
-using System;
-using System.ComponentModel;
-
-namespace dotnetCampus.OpenXMLUnitConverter
-{
-    [EditorBrowsable(EditorBrowsableState.Never), Obsolete("请使用 dotnetCampus.OpenXmlUnitConverter 命名空间下的同名类型。")]
-    public static class UnitConverter
-    {
-        public const double DefaultDpi = 96;
-
-        #region EmuPercentage
-
-        public static PixelPercentage ToPixelPercentage(this EmuPercentage emuPercentage) =>
-            new PixelPercentage((int)new Emu(emuPercentage.Value).ToPixel().Value);
-
-        #endregion
-
-        #region Pound
-
-        public static Pound ToPound(this PoundHundredfold poundHundredfold) => new Pound(poundHundredfold.Value / 100);
-
-        public static Pound ToPound(this Pixel pixel) => new Pound(pixel.Value / 96 * 72);
-
-        public static PoundHundredfold ToPoundHundredfold(this Pound pound) => new PoundHundredfold(pound.Value * 100);
-
-        public static Pixel ToPixel(this Pound pound) => new Pixel(pound.Value * 96 / 72);
-
-        public static Pixel ToPixel(this PoundHundredfold pound) => pound.ToPound().ToPixel();
-
-        #endregion
-
-        #region PtHundredfold
-
-        public static Pt ToPt(this PtHundredfold ptHundredfold) => new Pt(ptHundredfold.Value / 100);
-
-        public static Pixel ToPixel(this PtHundredfold ptHundredfold) => ptHundredfold.ToPt().ToPixel();
-
-        #endregion
-
-        #region Pixel
-
-        public static Pixel ToPixel(this Inch inch) => inch.ToEmu().ToPixel();
-
-        public static Inch ToInch(this Pixel pixel) => pixel.ToEmu().ToInch();
-
-        #endregion
-
-        #region Dxa
-
-        /// <summary>
-        /// 将 <see cref="Dxa"/> 单位转换为 <see cref="Pt"/> 单位。
-        /// </summary>
-        public static Pt ToPt(this Dxa dxa)
-        {
-            return new Pt(dxa.Value / 20);
-        }
-
-        public static Dxa ToDxa(this Pt pt)
-        {
-            return new Dxa(pt.Value * 20);
-        }
-
-        public static Inch ToInch(this Dxa dxa)
-        {
-            return new Inch(dxa.Value / 72);
-        }
-
-        public static Dxa ToDxa(this Inch inch)
-        {
-            return new Dxa(inch.Value * 72);
-        }
-
-        #endregion
-
-        #region Mm
-
-        public static Cm ToCm(this Mm mm)
-        {
-            return new Cm(mm.Value / 10);
-        }
-
-        public static Mm ToMm(this Cm cm)
-        {
-            return new Mm(cm.Value * 10);
-        }
-
-        #endregion
-
-        #region Pt
-
-        public static Cm ToCm(this Pt pt)
-        {
-            return pt.ToEmu().ToCm();
-        }
-
-        public static Pt ToPt(this Cm cm)
-        {
-            return cm.ToEmu().ToPt();
-        }
-
-        public static Mm ToMm(this Pt pt)
-        {
-            return pt.ToCm().ToMm();
-        }
-
-        public static Pt ToPt(this Mm mm)
-        {
-            return mm.ToCm().ToPt();
-        }
-
-        public static Pt ToPt(this HalfPoint halfPoint)
-        {
-            return new Pt(halfPoint.Value / 2);
-        }
-
-        public static HalfPoint ToHalfPoint(this Pt pt)
-        {
-            return new HalfPoint(pt.Value * 2);
-        }
-
-
-        public static Pixel ToPixel(this Pt pt)
-        {
-            return new Pixel(pt.Value / 72 * DefaultDpi);
-        }
-
-        public static Pt ToPoint(this Pixel px)
-        {
-            return new Pt(px.Value * 72 / DefaultDpi);
-        }
-
-        #endregion
-
-        #region Emu
-
-        public static Emu ToEmu(this Inch inch)
-        {
-            return new Emu(inch.Value * 914400);
-        }
-
-        public static Inch ToInch(this Emu emu)
-        {
-            return new Inch(emu.Value / 914400);
-        }
-
-        public static Emu ToEmu(this Cm cm)
-        {
-            return new Emu(cm.Value * 360000);
-        }
-
-        public static Cm ToCm(this Emu emu)
-        {
-            return new Cm(emu.Value / 360000);
-        }
-
-        public static Emu ToEmu(this Mm cm)
-        {
-            return new Emu(cm.Value * 36000);
-        }
-
-        public static Dxa ToDxa(this Emu emu)
-        {
-            return new Dxa(emu.Value / 635);
-        }
-
-        public static Emu ToEmu(this Dxa dxa)
-        {
-            return new Emu(dxa.Value * 635);
-        }
-
-        public static Mm ToMm(this Emu emu)
-        {
-            return new Mm(emu.Value / 36000);
-        }
-
-
-        public static Emu ToEmu(this Pixel px)
-        {
-            return new Emu(px.Value * 914400 / DefaultDpi);
-        }
-
-        public static Pixel ToPixel(this Emu emu)
-        {
-            return new Pixel(emu.Value / 914400 * DefaultDpi);
-        }
-
-        public static Emu ToEmu(this Pt pt)
-        {
-            return new Emu(pt.Value * 12700);
-        }
-
-        public static Pt ToPt(this Emu emu)
-        {
-            return new Pt(emu.Value / 12700);
-        }
-
-        #endregion
-    }
-}