Compile AvalonEdit for .NET 4.0 and make use of SetCurrentValue.

src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit.Tests/ICSharpCode.AvalonEdit.Tests.csproj

@@ -7,7 +7,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>ICSharpCode.AvalonEdit</RootNamespace>
     <AssemblyName>ICSharpCode.AvalonEdit.Tests</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <SourceAnalysisOverrideSettingsFile>"C:\Program Files\SharpDevelop\3.0\bin\..\AddIns\AddIns\Misc\SourceAnalysis\Settings.SourceAnalysis"</SourceAnalysisOverrideSettingsFile>
     <SignAssembly>True</SignAssembly>
@@ -61,6 +61,9 @@
     <Reference Include="System.Core">
       <RequiredTargetFramework>3.5</RequiredTargetFramework>
     </Reference>
+    <Reference Include="System.Xaml">
+      <RequiredTargetFramework>4.0</RequiredTargetFramework>
+    </Reference>
     <Reference Include="System.Xml" />
     <Reference Include="System.Xml.Linq">
       <RequiredTargetFramework>3.5</RequiredTargetFramework>

src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/ICSharpCode.AvalonEdit.csproj

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="3.5" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <ProjectGuid>{6C55B776-26D4-4DB3-A6AB-87E783B2F3D1}</ProjectGuid>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -7,7 +7,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>ICSharpCode.AvalonEdit</RootNamespace>
     <AssemblyName>ICSharpCode.AvalonEdit</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <SourceAnalysisOverrideSettingsFile>"C:\Program Files\SharpDevelop\3.0\bin\..\AddIns\AddIns\Misc\SourceAnalysis\Settings.SourceAnalysis"</SourceAnalysisOverrideSettingsFile>
     <AllowUnsafeBlocks>False</AllowUnsafeBlocks>
@@ -29,14 +29,14 @@
     <DebugType>Full</DebugType>
     <Optimize>False</Optimize>
     <CheckForOverflowUnderflow>True</CheckForOverflowUnderflow>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <DefineConstants>DEBUG;TRACE;DOTNET4</DefineConstants>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
     <DebugSymbols>false</DebugSymbols>
     <DebugType>PdbOnly</DebugType>
     <Optimize>True</Optimize>
     <CheckForOverflowUnderflow>False</CheckForOverflowUnderflow>
-    <DefineConstants>TRACE</DefineConstants>
+    <DefineConstants>TRACE;DOTNET4</DefineConstants>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Platform)' == 'AnyCPU' ">
     <RegisterForComInterop>False</RegisterForComInterop>
@@ -63,6 +63,9 @@
     </Reference>
     <Reference Include="System.Drawing" />
     <Reference Include="System.Windows.Forms" />
+    <Reference Include="System.Xaml">
+      <RequiredTargetFramework>4.0</RequiredTargetFramework>
+    </Reference>
     <Reference Include="System.Xml" />
     <Reference Include="System.Xml.Linq">
       <RequiredTargetFramework>3.5</RequiredTargetFramework>

src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/TextEditor.cs

@@ -58,8 +58,17 @@ namespace ICSharpCode.AvalonEdit
 			
 			textArea.TextView.Services.AddService(typeof(TextEditor), this);
 			
-			this.Options = textArea.Options;
+			SetCurrentPropertyValue(OptionsProperty, textArea.Options);
-			this.Document = new TextDocument();
+			SetCurrentPropertyValue(DocumentProperty, new TextDocument());
+		}
+		
+		void SetCurrentPropertyValue(DependencyProperty property, object value)
+		{
+			#if DOTNET4
+			SetCurrentValue(property, value);
+			#else
+			SetValue(property, value);
+			#endif
 		}
 		#endregion
 		
@@ -431,7 +440,7 @@ namespace ICSharpCode.AvalonEdit
 			if (e.PropertyName == "IsOriginalFile") {
 				TextDocument document = this.Document;
 				if (document != null) {
-					this.IsModified = !document.UndoStack.IsOriginalFile;
+					SetCurrentPropertyValue(IsModifiedProperty, Boxes.Box(!document.UndoStack.IsOriginalFile));
 				}
 				return true;
 			} else {

src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Utils/TextFormatterFactory.cs

@@ -20,6 +20,7 @@ namespace ICSharpCode.AvalonEdit.Utils
 	/// </summary>
 	static class TextFormatterFactory
 	{
+		#if !DOTNET4
 		readonly static DependencyProperty TextFormattingModeProperty;
 		
 		static TextFormatterFactory()
@@ -30,6 +31,7 @@ namespace ICSharpCode.AvalonEdit.Utils
 				TextFormattingModeProperty = textOptionsType.GetField("TextFormattingModeProperty").GetValue(null) as DependencyProperty;
 			}
 		}
+		#endif
 		
 		/// <summary>
 		/// Creates a <see cref="TextFormatter"/> using the formatting mode used by the specified owner object.
@@ -38,7 +40,9 @@ namespace ICSharpCode.AvalonEdit.Utils
 		{
 			if (owner == null)
 				throw new ArgumentNullException("owner");
-			// return TextFormatter.Create(TextOptions.GetTextFormattingMode(this));
+			#if DOTNET4
+			return TextFormatter.Create(TextOptions.GetTextFormattingMode(owner));
+			#else
 			if (TextFormattingModeProperty != null) {
 				object formattingMode = owner.GetValue(TextFormattingModeProperty);
 				return (TextFormatter)typeof(TextFormatter).InvokeMember(
@@ -50,6 +54,7 @@ namespace ICSharpCode.AvalonEdit.Utils
 			} else {
 				return TextFormatter.Create();
 			}
+			#endif
 		}
 		
 		/// <summary>
@@ -58,8 +63,11 @@ namespace ICSharpCode.AvalonEdit.Utils
 		/// </summary>
 		public static bool PropertyChangeAffectsTextFormatter(DependencyProperty dp)
 		{
-			// return dp == TextOptions.TextFormattingModeProperty;
+			#if DOTNET4
+			return dp == TextOptions.TextFormattingModeProperty;
+			#else
 			return dp == TextFormattingModeProperty && TextFormattingModeProperty != null;
+			#endif
 		}
 		
 		/// <summary>
@@ -83,6 +91,18 @@ namespace ICSharpCode.AvalonEdit.Utils
 				emSize = TextBlock.GetFontSize(element);
 			if (foreground == null)
 				foreground = TextBlock.GetForeground(element);
+			#if DOTNET4
+			return new FormattedText(
+				text,
+				CultureInfo.CurrentCulture,
+				FlowDirection.LeftToRight,
+				typeface,
+				emSize.Value,
+				foreground,
+				null,
+				TextOptions.GetTextFormattingMode(element)
+			);
+			#else
 			if (TextFormattingModeProperty != null) {
 				object formattingMode = element.GetValue(TextFormattingModeProperty);
 				return (FormattedText)Activator.CreateInstance(
@@ -106,6 +126,7 @@ namespace ICSharpCode.AvalonEdit.Utils
 					foreground
 				);
 			}
+			#endif
 		}
 	}
 }