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POWpf PRISM disposable module
 

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  1. POWpf PRISM disposable module
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    <p>I'm having a WPF application that is divided into PRISM modules.</p> <p>I have a service that deals with some unmanaged resources, therefore it implements the IDisposable interface:</p> <pre><code>public class MyCacheService : IMyCacheService, IDisposable { ... } </code></pre> <p>I also have a CameraServicesModule which registers an IMyCacheService instance:</p> <pre><code>public class CameraServicesModule : IModule { public CameraServicesModule(IComponentsManager manager) { this.manager = manager; } public void Initialize() { ... var theCacheService = new MyCacheService(); this.manager.RegisterInstance(typeof(IMyCacheService), null, theCacheService); } } </code></pre> <p>The question is: how do I dispose of the service instance? I have to do it at the application closing, but right now the MyCacheService.Dispose() doesn't get called at the application shutdown (or any other point in time).</p> <p>Should the CameraServicesModule implement IDisposable, too? Like this:</p> <pre><code>public class CameraServicesModule : IModule, IDisposable { public CameraServicesModule(IComponentsManager manager) { this.manager = manager; } public void Initialize() { ... this.theCacheService = new MyCacheService(); this.manager.RegisterInstance(typeof(IMyCacheService), null, theCacheService); } public void Dispose() { this.theCacheService.Dispose(); } } </code></pre> <p>If so, the question is: how do I dispose of the module? If not, the question is: which way should I dipose the service of?</p> <pre><code> LocalFileSystemConfigurationManager configManager = new LocalFileSystemConfigurationManager(this.PathToSettings); ComponentsManager compManager = new ComponentsManager(configManager, null, null); </code></pre> <p>Note: even if my module does implement IDisposable, disposing the componentsManager or configurationManager does not dispose the module.</p>
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