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christiannagelchristiannagel
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add IDisposable sample to Resources chapter
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7 files changed

+191
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7 files changed

+191
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lines changed

‎Resources/ResourcesSamples/DisposableSample/DisposableSample.xproj‎

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">14.0</VisualStudioVersion>
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<VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
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</PropertyGroup>
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<Import Project="$(VSToolsPath)\DotNet\Microsoft.DotNet.Props" Condition="'$(VSToolsPath)' != ''" />
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<PropertyGroup Label="Globals">
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<ProjectGuid>4e3c803f-5ebd-44bd-96f3-886735c2ecd9</ProjectGuid>
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<RootNamespace>DisposableSample</RootNamespace>
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<BaseIntermediateOutputPath Condition="'$(BaseIntermediateOutputPath)'=='' ">.\obj</BaseIntermediateOutputPath>
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<OutputPath Condition="'$(OutputPath)'=='' ">.\bin\</OutputPath>
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<TargetFrameworkVersion>v4.6</TargetFrameworkVersion>
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</PropertyGroup>
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<PropertyGroup>
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<SchemaVersion>2.0</SchemaVersion>
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</PropertyGroup>
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<Import Project="$(VSToolsPath)\DotNet\Microsoft.DotNet.targets" Condition="'$(VSToolsPath)' != ''" />
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</Project>

‎Resources/ResourcesSamples/DisposableSample/Program.cs‎

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namespace DisposableSample
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{
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public class Program
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{
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public static void Main()
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{
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using (var resource = new SomeResource())
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{
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resource.Foo();
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}
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}
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}
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}

‎Resources/ResourcesSamples/DisposableSample/Properties/AssemblyInfo.cs‎

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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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// 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: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("DisposableSample")]
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[assembly: AssemblyTrademark("")]
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// Setting ComVisible to false makes the types in this assembly not visible
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// to COM components. If you need to access a type in this assembly from
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// COM, set the ComVisible attribute to true on that type.
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[assembly: ComVisible(false)]
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// The following GUID is for the ID of the typelib if this project is exposed to COM
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[assembly: Guid("4e3c803f-5ebd-44bd-96f3-886735c2ecd9")]

‎Resources/ResourcesSamples/DisposableSample/SomeInnerResource.cs‎

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using System;
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using static System.Console;
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namespace DisposableSample
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{
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public class SomeInnerResource : IDisposable
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{
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public SomeInnerResource()
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{
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WriteLine("simulation to allocate native memory");
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}
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public void Foo()
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{
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if (disposedValue) throw new ObjectDisposedException(nameof(SomeInnerResource));
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WriteLine($"{nameof(SomeInnerResource)}.{nameof(Foo)}");
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}
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private bool disposedValue = false; // To detect redundant calls
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protected virtual void Dispose(bool disposing)
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{
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if (!disposedValue)
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{
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if (disposing)
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{
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// TODO: dispose managed state (managed objects).
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}
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// TODO: free unmanaged resources (unmanaged objects) and override a finalizer below.
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WriteLine("simulation to release native memory");
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// TODO: set large fields to null.
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disposedValue = true;
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}
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}
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// TODO: override a finalizer only if Dispose(bool disposing) above has code to free unmanaged resources.
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~SomeInnerResource()
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{
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// Do not change this code. Put cleanup code in Dispose(bool disposing) above.
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Dispose(false);
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}
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// This code added to correctly implement the disposable pattern.
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public void Dispose()
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{
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// Do not change this code. Put cleanup code in Dispose(bool disposing) above.
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Dispose(true);
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// TODO: uncomment the following line if the finalizer is overridden above.
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GC.SuppressFinalize(this);
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}
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}
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}

‎Resources/ResourcesSamples/DisposableSample/SomeResource.cs‎

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using System;
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using static System.Console;
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namespace DisposableSample
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{
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public class SomeResource : IDisposable
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{
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private SomeInnerResource _innerResource;
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public SomeResource()
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{
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_innerResource = new SomeInnerResource();
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}
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public void Foo()
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{
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if (disposedValue) throw new ObjectDisposedException(nameof(SomeResource));
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WriteLine($"{nameof(SomeResource)}.{nameof(Foo)}");
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_innerResource?.Foo();
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}
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#region IDisposable Support
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private bool disposedValue = false; // To detect redundant calls
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protected virtual void Dispose(bool disposing)
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{
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if (!disposedValue)
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{
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if (disposing)
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{
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// dispose managed state (managed objects).
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_innerResource?.Dispose();
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}
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// TODO: free unmanaged resources (unmanaged objects) and override a finalizer below.
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// TODO: set large fields to null.
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disposedValue = true;
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}
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}
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// TODO: override a finalizer only if Dispose(bool disposing) above has code to free unmanaged resources.
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// ~SomeResource() {
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// // Do not change this code. Put cleanup code in Dispose(bool disposing) above.
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// Dispose(false);
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// }
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// This code added to correctly implement the disposable pattern.
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public void Dispose()
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{
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// Do not change this code. Put cleanup code in Dispose(bool disposing) above.
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Dispose(true);
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// TODO: uncomment the following line if the finalizer is overridden above.
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// GC.SuppressFinalize(this);
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}
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#endregion
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}
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}

‎Resources/ResourcesSamples/DisposableSample/project.json‎

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{
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"version": "1.0.0-*",
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"buildOptions": {
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"emitEntryPoint": true
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},
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"dependencies": {
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"Microsoft.NETCore.App": {
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"type": "platform",
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"version": "1.0.0-rc2-3002702"
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}
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},
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"frameworks": {
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"netcoreapp1.0": {
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"imports": "dnxcore50"
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}
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}
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}

‎Resources/ResourcesSamples/ResourcesSamples.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 14
4-
VisualStudioVersion = 14.0.23107.0
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VisualStudioVersion = 14.0.25123.0
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "PointerPlayground", "PointerPlayground\PointerPlayground.xproj", "{0E49CD52-2514-4B5F-BF99-298BF8E28236}"
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EndProject
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EndProject
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Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "PInvokeSampleLib", "PInvokeSampleLib\PInvokeSampleLib.xproj", "{BA9D6B4B-23EE-4F03-942F-D66AB5796A03}"
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EndProject
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Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "DisposableSample", "DisposableSample\DisposableSample.xproj", "{4E3C803F-5EBD-44BD-96F3-886735C2ECD9}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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{BA9D6B4B-23EE-4F03-942F-D66AB5796A03}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{BA9D6B4B-23EE-4F03-942F-D66AB5796A03}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{BA9D6B4B-23EE-4F03-942F-D66AB5796A03}.Release|Any CPU.Build.0 = Release|Any CPU
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{4E3C803F-5EBD-44BD-96F3-886735C2ECD9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{4E3C803F-5EBD-44BD-96F3-886735C2ECD9}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{4E3C803F-5EBD-44BD-96F3-886735C2ECD9}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{4E3C803F-5EBD-44BD-96F3-886735C2ECD9}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE

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