Browse Source
Add AbstractViewContentHandlingLoadErrors for easy handling of invalid files. git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@2572 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61shortcuts
Daniel Grunwald
18 years ago
19 changed files with 547 additions and 26 deletions
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#region Using directives
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using System.Reflection; |
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using System.Runtime.CompilerServices; |
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using System.Runtime.InteropServices; |
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#endregion
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// General Information about an assembly is controlled through the following
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// set of attributes. Change these attribute values to modify the information
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// associated with an assembly.
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[assembly: AssemblyTitle("WpfDesign.AddIn")] |
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[assembly: AssemblyDescription("")] |
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[assembly: AssemblyConfiguration("")] |
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[assembly: AssemblyTrademark("")] |
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[assembly: AssemblyCulture("")] |
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// <file>
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// <copyright see="prj:///doc/copyright.txt"/>
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// <license see="prj:///doc/license.txt"/>
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// <author name="Daniel Grunwald"/>
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// <version>$Revision$</version>
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// </file>
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using System; |
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using System.IO; |
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using ICSharpCode.SharpDevelop; |
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using ICSharpCode.SharpDevelop.Gui; |
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namespace ICSharpCode.WpfDesign.AddIn |
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{ |
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public class WpfPrimaryDisplayBinding : IDisplayBinding |
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{ |
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public bool CanCreateContentForFile(string fileName) |
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{ |
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return Path.GetExtension(fileName).Equals(".xaml", StringComparison.OrdinalIgnoreCase); |
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} |
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public IViewContent CreateContentForFile(OpenedFile file) |
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{ |
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return new WpfViewContent(file); |
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} |
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} |
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public class WpfSecondaryDisplayBinding : ISecondaryDisplayBinding |
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{ |
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public bool ReattachWhenParserServiceIsReady { |
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get { |
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return false; |
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} |
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} |
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public bool CanAttachTo(IViewContent content) |
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{ |
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return Path.GetExtension(content.PrimaryFileName).Equals(".xaml", StringComparison.OrdinalIgnoreCase); |
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} |
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public IViewContent[] CreateSecondaryViewContent(IViewContent viewContent) |
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{ |
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return new IViewContent[] { new WpfViewContent(viewContent.PrimaryFile) }; |
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} |
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} |
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} |
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// <file>
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// <copyright see="prj:///doc/copyright.txt"/>
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// <license see="prj:///doc/license.txt"/>
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// <author name="Daniel Grunwald"/>
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// <version>$Revision$</version>
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// </file>
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using System; |
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using System.Text; |
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using System.Xml; |
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using ICSharpCode.SharpDevelop; |
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using ICSharpCode.SharpDevelop.Gui; |
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using System.Windows.Forms; |
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using System.Windows.Forms.Integration; |
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using ICSharpCode.WpfDesign.Designer; |
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namespace ICSharpCode.WpfDesign.AddIn |
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{ |
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/// <summary>
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/// Description of WpfViewContent.
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/// </summary>
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public class WpfViewContent : AbstractViewContentHandlingLoadErrors |
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{ |
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ElementHost wpfHost; |
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DesignSurface designer; |
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public WpfViewContent(OpenedFile file) : base(file) |
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{ |
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} |
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protected override void LoadInternal(OpenedFile file, System.IO.Stream stream) |
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{ |
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if (designer == null) { |
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// initialize designer on first load
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wpfHost = new ElementHost(); |
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designer = new DesignSurface(); |
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wpfHost.Child = designer; |
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this.UserControl = wpfHost; |
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} |
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using (XmlTextReader r = new XmlTextReader(stream)) { |
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designer.LoadDesigner(r); |
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} |
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} |
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protected override void SaveInternal(OpenedFile file, System.IO.Stream stream) |
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{ |
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using (XmlTextWriter xmlWriter = new XmlTextWriter(stream, Encoding.UTF8)) { |
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xmlWriter.Formatting = Formatting.Indented; |
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designer.SaveDesigner(xmlWriter); |
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} |
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} |
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} |
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} |
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<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> |
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<PropertyGroup> |
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<ProjectGuid>{9A9D6FD4-6A2E-455D-ACC3-DDA775FE9865}</ProjectGuid> |
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> |
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> |
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<OutputType>Library</OutputType> |
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<RootNamespace>ICSharpCode.WpfDesign.AddIn</RootNamespace> |
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<AssemblyName>ICSharpCode.WpfDesign.AddIn</AssemblyName> |
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<OutputPath>..\..\..\..\..\AddIns\AddIns\DisplayBindings\WpfDesign\</OutputPath> |
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<AllowUnsafeBlocks>False</AllowUnsafeBlocks> |
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<NoStdLib>False</NoStdLib> |
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<WarningLevel>4</WarningLevel> |
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<TreatWarningsAsErrors>false</TreatWarningsAsErrors> |
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</PropertyGroup> |
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<PropertyGroup Condition=" '$(Configuration)' == 'Debug' "> |
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<DebugSymbols>true</DebugSymbols> |
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<DebugType>Full</DebugType> |
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<CheckForOverflowUnderflow>True</CheckForOverflowUnderflow> |
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<DefineConstants>DEBUG;TRACE</DefineConstants> |
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<Optimize>False</Optimize> |
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</PropertyGroup> |
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<PropertyGroup Condition=" '$(Configuration)' == 'Release' "> |
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<DebugSymbols>False</DebugSymbols> |
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<DebugType>None</DebugType> |
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<CheckForOverflowUnderflow>False</CheckForOverflowUnderflow> |
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<DefineConstants>TRACE</DefineConstants> |
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</PropertyGroup> |
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<PropertyGroup Condition=" '$(Platform)' == 'AnyCPU' "> |
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<RegisterForComInterop>False</RegisterForComInterop> |
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<GenerateSerializationAssemblies>Auto</GenerateSerializationAssemblies> |
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<BaseAddress>4194304</BaseAddress> |
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<PlatformTarget>AnyCPU</PlatformTarget> |
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<FileAlignment>4096</FileAlignment> |
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</PropertyGroup> |
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<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.Targets" /> |
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<ItemGroup> |
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<Reference Include="PresentationCore" /> |
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<Reference Include="PresentationFramework" /> |
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<Reference Include="System" /> |
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<Reference Include="System.Data" /> |
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<Reference Include="System.Drawing" /> |
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<Reference Include="System.Windows.Forms" /> |
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<Reference Include="System.Xml" /> |
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<Reference Include="WindowsBase" /> |
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<Reference Include="WindowsFormsIntegration" /> |
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</ItemGroup> |
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<ItemGroup> |
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<None Include="WpfDesign.addin"> |
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<CopyToOutputDirectory>Always</CopyToOutputDirectory> |
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</None> |
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<Compile Include="..\..\..\..\Main\GlobalAssemblyInfo.cs"> |
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<Link>Configuration\GlobalAssemblyInfo.cs</Link> |
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</Compile> |
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<Compile Include="Configuration\AssemblyInfo.cs" /> |
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<Compile Include="Src\WpfDisplayBinding.cs" /> |
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<Compile Include="Src\WpfViewContent.cs" /> |
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</ItemGroup> |
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<ItemGroup> |
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<ProjectReference Include="..\..\..\..\Main\Base\Project\ICSharpCode.SharpDevelop.csproj"> |
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<Project>{2748AD25-9C63-4E12-877B-4DCE96FBED54}</Project> |
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<Name>ICSharpCode.SharpDevelop</Name> |
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<Private>False</Private> |
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</ProjectReference> |
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<ProjectReference Include="..\..\..\..\Main\Core\Project\ICSharpCode.Core.csproj"> |
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<Project>{35CEF10F-2D4C-45F2-9DD1-161E0FEC583C}</Project> |
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<Name>ICSharpCode.Core</Name> |
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<Private>False</Private> |
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</ProjectReference> |
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<ProjectReference Include="..\WpfDesign.Designer\Project\WpfDesign.Designer.csproj"> |
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<Project>{78CC29AC-CC79-4355-B1F2-97936DF198AC}</Project> |
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<Name>WpfDesign.Designer</Name> |
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<Private>False</Private> |
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</ProjectReference> |
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<ProjectReference Include="..\WpfDesign\Project\WpfDesign.csproj"> |
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<Project>{66A378A1-E9F4-4AD5-8946-D0EC06C2902F}</Project> |
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<Name>WpfDesign</Name> |
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<Private>False</Private> |
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</ProjectReference> |
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</ItemGroup> |
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</Project> |
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<AddIn name = "WPF Designer AddIn" |
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author = "Daniel Grunwald" |
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copyright = "prj:///doc/copyright.txt" |
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description = "WPF Designer"> |
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<Runtime> |
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<Import assembly = "ICSharpCode.WpfDesign.AddIn.dll"/> |
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</Runtime> |
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<Path name = "/SharpDevelop/Workbench/DisplayBindings"> |
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<!--<DisplayBinding id = "WPFDesigner" |
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class = "ICSharpCode.WpfDesign.AddIn.WpfPrimaryDisplayBinding" |
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insertbefore = "Text" |
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fileNamePattern = "\.xaml$" |
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title = "WPF designer"/>--> |
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<DisplayBinding id = "WPFDesigner" |
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type = "Secondary" |
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class = "ICSharpCode.WpfDesign.AddIn.WpfSecondaryDisplayBinding" |
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fileNamePattern = "\.xaml$"/> |
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</Path> |
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</AddIn> |
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// <file>
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// <copyright see="prj:///doc/copyright.txt"/>
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// <license see="prj:///doc/license.txt"/>
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// <author name="Daniel Grunwald"/>
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// <version>$Revision$</version>
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// </file>
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using System; |
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using System.Collections.Generic; |
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using System.Drawing; |
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using System.IO; |
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using System.Windows.Forms; |
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namespace ICSharpCode.SharpDevelop.Gui |
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{ |
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/// <summary>
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/// This class handles errors in the Load method and prevents destroying invalid files.
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/// Scenario:
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/// open a .resx file both with the resource editor and the text editor. Add a string entry using the
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/// resource editor. Modify it using the text editor, and introduce invalid XML syntax (e.g. use a
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/// < in the edited value. Close the text editor without saving the changes. The resource editor
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/// will show the load error. Close the resource editor, this time saving the changes.
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/// The resource editor is now expected to write the invalid file to disk.
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/// This class handles this scenario by displaying an error message for invalid files, and
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/// holding the invalid data that got copied from the text editor to the resource editor in memory.
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/// So saving during a load error works as expected.
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/// </summary>
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public abstract class AbstractViewContentHandlingLoadErrors : AbstractViewContent |
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{ |
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Panel panel = new Panel(); |
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Control userControl; |
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protected AbstractViewContentHandlingLoadErrors() |
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{ |
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} |
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protected AbstractViewContentHandlingLoadErrors(OpenedFile file) : base(file) |
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{ |
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} |
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public sealed override Control Control { |
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get { return panel; } |
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} |
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protected Control UserControl { |
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get { return userControl; } |
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set { |
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if (userControl != value) { |
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if (errorList.Count == 0 && userControl != null) { |
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panel.Controls.Remove(userControl); |
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} |
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userControl = value; |
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userControl.Dock = DockStyle.Fill; |
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if (errorList.Count == 0 && userControl != null) { |
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panel.Controls.Add(userControl); |
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} |
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} |
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} |
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} |
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public bool HasLoadError { |
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get { |
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return errorList.Count > 0; |
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} |
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} |
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class LoadError |
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{ |
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internal Exception exception; |
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internal byte[] fileData; |
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public LoadError(Exception exception, Stream stream) |
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{ |
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this.exception = exception; |
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stream.Position = 0; |
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this.fileData = new byte[(int)stream.Length]; |
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int pos = 0; |
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while (pos < fileData.Length) { |
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int c = stream.Read(fileData, pos, fileData.Length - pos); |
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if (c == 0) break; |
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pos += c; |
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} |
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} |
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} |
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TextBox errorTextBox; |
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void ShowError(Exception ex) |
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{ |
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if (errorTextBox == null) { |
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errorTextBox = new TextBox(); |
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errorTextBox.Multiline = true; |
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errorTextBox.ReadOnly = true; |
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errorTextBox.BackColor = SystemColors.Window; |
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errorTextBox.Dock = DockStyle.Fill; |
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} |
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errorTextBox.Text = ex.ToString(); |
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panel.Controls.Clear(); |
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panel.Controls.Add(errorTextBox); |
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} |
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Dictionary<OpenedFile, LoadError> errorList = new Dictionary<OpenedFile, LoadError>(); |
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public override sealed void Load(OpenedFile file, Stream stream) |
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{ |
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try { |
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LoadInternal(file, new UnclosableStream(stream)); |
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if (errorList.Count > 0) { |
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errorList.Remove(file); |
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if (errorList.Count == 0) { |
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panel.Controls.Clear(); |
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if (userControl != null) { |
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panel.Controls.Add(userControl); |
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} |
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} else { |
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ShowError(Linq.First(errorList.Values).exception); |
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} |
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} |
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} catch (Exception ex) { |
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errorList[file] = new LoadError(ex, stream); |
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ShowError(ex); |
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} |
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} |
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public override sealed void Save(OpenedFile file, Stream stream) |
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{ |
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if (errorList.ContainsKey(file)) { |
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byte[] data = errorList[file].fileData; |
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stream.Write(data, 0, data.Length); |
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} else { |
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SaveInternal(file, stream); |
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} |
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} |
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protected abstract void LoadInternal(OpenedFile file, Stream stream); |
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protected abstract void SaveInternal(OpenedFile file, Stream stream); |
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} |
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} |
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@@ -0,0 +1,117 @@
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// <file>
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// <copyright see="prj:///doc/copyright.txt"/>
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// <license see="prj:///doc/license.txt"/>
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// <author name="Daniel Grunwald"/>
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// <version>$Revision$</version>
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// </file>
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using System; |
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using System.IO; |
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namespace ICSharpCode.SharpDevelop |
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{ |
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/// <summary>
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/// Wraps another stream. Closing this stream does not close the base stream.
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/// </summary>
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public class UnclosableStream : Stream |
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{ |
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Stream baseStream; |
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public UnclosableStream(Stream baseStream) |
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{ |
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if (baseStream == null) |
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throw new ArgumentNullException("baseStream"); |
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this.baseStream = baseStream; |
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} |
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public override bool CanRead { |
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get { return baseStream.CanRead; } |
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} |
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public override bool CanSeek { |
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get { return baseStream.CanSeek; } |
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} |
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public override bool CanWrite { |
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get { return baseStream.CanWrite; } |
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} |
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public override long Length { |
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get { return baseStream.Length; } |
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} |
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public override long Position { |
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get { return baseStream.Position; } |
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set { baseStream.Position = value; } |
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} |
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public override void Flush() |
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{ |
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baseStream.Flush(); |
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} |
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public override long Seek(long offset, SeekOrigin origin) |
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{ |
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return baseStream.Seek(offset, origin); |
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} |
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public override void SetLength(long value) |
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{ |
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baseStream.SetLength(value); |
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} |
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public override int Read(byte[] buffer, int offset, int count) |
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{ |
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return baseStream.Read(buffer, offset, count); |
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} |
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public override void Write(byte[] buffer, int offset, int count) |
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{ |
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baseStream.Write(buffer, offset, count); |
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} |
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public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state) |
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{ |
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return baseStream.BeginRead(buffer, offset, count, callback, state); |
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} |
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public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, object state) |
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{ |
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return baseStream.BeginWrite(buffer, offset, count, callback, state); |
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} |
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public override bool CanTimeout { |
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get { return baseStream.CanTimeout; } |
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} |
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public override int EndRead(IAsyncResult asyncResult) |
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{ |
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return baseStream.EndRead(asyncResult); |
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} |
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public override void EndWrite(IAsyncResult asyncResult) |
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{ |
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baseStream.EndWrite(asyncResult); |
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} |
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public override int ReadByte() |
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{ |
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return baseStream.ReadByte(); |
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} |
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public override int ReadTimeout { |
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get { return baseStream.ReadTimeout; } |
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set { baseStream.ReadTimeout = value; } |
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} |
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public override void WriteByte(byte value) |
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{ |
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baseStream.WriteByte(value); |
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} |
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public override int WriteTimeout { |
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get { return baseStream.WriteTimeout; } |
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set { baseStream.WriteTimeout = value; } |
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} |
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} |
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} |
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