Forked and commited as per the request in

https://github.com/vvvv/SVG/issues/23#issuecomment-25747963

Source/Basic Shapes/SvgCircle.cs

@@ -96,6 +96,10 @@ namespace Svg
                 }
                 return _path;
             }
+            protected set
+            {
+                _path = value;
+            }
         }
 
         /// <summary>

Source/Basic Shapes/SvgEllipse.cs

@@ -95,6 +95,10 @@ namespace Svg
                 }
                 return _path;
             }
+            protected set
+            {
+                _path = value;
+            }
         }
 
         /// <summary>

Source/Basic Shapes/SvgImage.cs

@@ -84,6 +84,9 @@ namespace Svg
             {
 				return null;
             }
+            protected set
+            {
+            }
         }
 
         /// <summary>

Source/Basic Shapes/SvgLine.cs

@@ -75,6 +75,10 @@ namespace Svg
                 }
                 return this._path;
             }
+            protected set
+            {
+                _path = value;
+            }
         }
 
         public override System.Drawing.RectangleF Bounds

Source/Basic Shapes/SvgPolygon.cs

@@ -14,8 +14,8 @@ namespace Svg
     [SvgElement("polygon")]
     public class SvgPolygon : SvgVisualElement
     {
-        protected GraphicsPath _path;
-        protected SvgUnitCollection _points;
+        private GraphicsPath _path;
+        private SvgUnitCollection _points;
 
         /// <summary>
         /// The points that make up the SvgPolygon
@@ -68,6 +68,10 @@ namespace Svg
                 }
                 return this._path;
             }
+            protected set
+            {
+                _path = value;
+            }
         }
 
         public override RectangleF Bounds

Source/Basic Shapes/SvgPolyline.cs

@@ -17,24 +17,24 @@ namespace Svg
         {
             get
             {
-                if (this._path == null || this.IsPathDirty)
+                if (Path == null || this.IsPathDirty)
                 {
-                    this._path = new GraphicsPath();
+                    Path = new GraphicsPath();
 
                     try
                     {
-                        for (int i = 0; i < this._points.Count; i += 2)
+                        for (int i = 0; i < Points.Count; i += 2)
                         {
-                            PointF endPoint = new PointF(this._points[i].ToDeviceValue(this), this._points[i + 1].ToDeviceValue(this));
+                            PointF endPoint = new PointF(Points[i].ToDeviceValue(this), Points[i + 1].ToDeviceValue(this));
 
                             // TODO: Remove unrequired first line
-                            if (_path.PointCount == 0)
+                            if (Path.PointCount == 0)
                             {
-                                _path.AddLine(endPoint, endPoint);
+                                Path.AddLine(endPoint, endPoint);
                             }
                             else
                             {
-                                _path.AddLine(_path.GetLastPoint(), endPoint);
+                                Path.AddLine(Path.GetLastPoint(), endPoint);
                             }
                         }
                     }
@@ -44,7 +44,7 @@ namespace Svg
                     }
                     this.IsPathDirty = false;
                 }
-                return this._path;
+                return Path;
             }
         }
     }

Source/Basic Shapes/SvgRectangle.cs

@@ -247,6 +247,10 @@ namespace Svg
                 }
                 return _path;
             }
+            protected set
+            {
+                _path = value;
+            }
         }
 
         /// <summary>

Source/Basic Shapes/SvgVisualElement.cs

@@ -22,7 +22,7 @@ namespace Svg
         /// <summary>
         /// Gets the <see cref="GraphicsPath"/> for this element.
         /// </summary>
-        public abstract GraphicsPath Path { get; }
+        public abstract GraphicsPath Path { get; protected set; }
         /// <summary>
         /// Gets the bounds of the element.
         /// </summary>

Source/DataTypes/SvgFontWeight.cs

@@ -2,7 +2,6 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
-using System.Text;
 
 namespace Svg.DataTypes
 {

Source/DataTypes/SvgUnit.cs

@@ -100,7 +100,7 @@ namespace Svg
             // http://www.w3.org/TR/SVG11/coords.html#Units
 
             const float cmInInch = 2.54f;
-            int ppi = SvgDocument.PPI;
+            int ppi = SvgDocument.PointsPerInch;
 
             switch (this.Type)
             {

Source/Document Structure/SvgGroup.cs

@@ -27,12 +27,13 @@ namespace Svg
         {
             get 
             { 
-            	var path = new GraphicsPath();
-
+            	//var path = new GraphicsPath();
             	//AddPaths(this, path);
   
             	return GetPaths(this);
             }
+            protected set
+            { }
         }
 
         /// <summary>

Source/Document Structure/SvgUse.cs

@@ -58,6 +58,8 @@ namespace Svg
                 SvgVisualElement element = (SvgVisualElement)this.OwnerDocument.IdManager.GetElementById(this.ReferencedElement);
                 return (element != null) ? element.Path : null;
             }
+            protected set
+            { }
         }
 
         public override System.Drawing.RectangleF Bounds

Source/Painting/SvgMarker.cs

@@ -70,6 +70,10 @@ namespace Svg
 	            	return (path as SvgPath).Path;
 				return null;
             }
+            protected set
+            {
+                // No-op
+            }
         }
 
         public override System.Drawing.RectangleF Bounds

Source/Paths/SvgPath.cs

@@ -89,6 +89,10 @@ namespace Svg
                 }
                 return _path;
             }
+            protected set
+            {
+                _path = value;
+            }
         }
 
         internal void OnPathUpdated()

Source/Properties/AssemblyInfo.cs

-using System.Reflection;
+using System;
+using System.Reflection;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
@@ -32,4 +33,6 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Revision and Build Numbers 
 // by using the '*' as shown below:
 [assembly: AssemblyVersion("1.0.1.*")]
-[assembly: AssemblyFileVersion("1.0.1.*")]
+//[assembly: AssemblyFileVersion("1.0.1.*")]
+
+[assembly: CLSCompliant(true)]

Source/Svg.csproj

@@ -54,7 +54,9 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <DebugSymbols>true</DebugSymbols>
-    <DocumentationFile>..\..\vvvv\public\common\src\thirdparty\Svg.XML</DocumentationFile>
+    <DocumentationFile>
+    </DocumentationFile>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>PdbOnly</DebugType>

Source/SvgAttributeCollection.cs

@@ -108,7 +108,7 @@ namespace Svg
         /// </summary>
         public event EventHandler<AttributeEventArgs> AttributeChanged;
         
-        protected void OnAttributeChanged(string attribute, object value)
+        private void OnAttributeChanged(string attribute, object value)
         {
         	var handler = AttributeChanged;
         	if(handler != null)
@@ -164,7 +164,7 @@ namespace Svg
         /// </summary>
         public event EventHandler<AttributeEventArgs> AttributeChanged;
         
-        protected void OnAttributeChanged(string attribute, object value)
+        private void OnAttributeChanged(string attribute, object value)
         {
         	var handler = AttributeChanged;
         	if(handler != null)

Source/SvgDocument.cs

@@ -16,7 +16,7 @@ namespace Svg
     /// </summary>
     public class SvgDocument : SvgFragment, ITypeDescriptorContext
     {
-        public static readonly int PPI = 96;
+        public static readonly int PointsPerInch = 96;
         private SvgElementIdManager _idManager;
 
 

Source/SvgElement.cs

@@ -31,9 +31,8 @@ namespace Svg
         }
 
         //reflection cache
-        protected IEnumerable<PropertyAttributeTuple> _svgPropertyAttributes;
-        protected IEnumerable<EventAttributeTuple> _svgEventAttributes;
-
+        private IEnumerable<PropertyAttributeTuple> _svgPropertyAttributes;
+        private IEnumerable<EventAttributeTuple> _svgEventAttributes;
 
         internal SvgElement _parent;
         private string _elementName;

Source/Text/SvgText.cs

@@ -275,6 +275,10 @@ namespace Svg
                 }
                 return _path;
             }
+            protected set
+            {
+                _path = value;
+            }
         }
 
         private static string ValidateFontFamily(string fontFamilyList)