75 lines
2.5 KiB
C#
75 lines
2.5 KiB
C#
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using System;
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namespace SharpDX
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{
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/// <summary>
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/// Base class for a <see cref="IDisposable"/> class.
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/// </summary>
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public abstract class DisposeBase : IDisposable
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{
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/// <summary>
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/// Occurs when this instance is starting to be disposed.
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/// </summary>
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public event EventHandler<EventArgs> Disposing;
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/// <summary>
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/// Occurs when this instance is fully disposed.
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/// </summary>
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public event EventHandler<EventArgs> Disposed;
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/// <summary>
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/// Releases unmanaged resources and performs other cleanup operations before the
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/// <see cref="DisposeBase"/> is reclaimed by garbage collection.
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/// </summary>
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~DisposeBase()
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{
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// Finalizer calls Dispose(false)
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CheckAndDispose(false);
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}
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/// <summary>
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/// Gets a value indicating whether this instance is disposed.
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/// </summary>
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/// <value>
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/// <c>true</c> if this instance is disposed; otherwise, <c>false</c>.
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/// </value>
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public bool IsDisposed { get; private set; }
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/// <summary>
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/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
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/// </summary>
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public void Dispose()
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{
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CheckAndDispose(true);
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}
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/// <summary>
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/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
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/// </summary>
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private void CheckAndDispose(bool disposing)
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{
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// TODO Should we throw an exception if this method is called more than once?
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if (!IsDisposed)
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{
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EventHandler<EventArgs> disposingHandlers = Disposing;
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if (disposingHandlers != null)
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disposingHandlers(this, DisposeEventArgs.Get(disposing));
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Dispose(disposing);
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GC.SuppressFinalize(this);
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IsDisposed = true;
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EventHandler<EventArgs> disposedHandlers = Disposed;
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if (disposedHandlers != null)
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disposedHandlers(this, DisposeEventArgs.Get(disposing));
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}
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}
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/// <summary>
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/// Releases unmanaged and - optionally - managed resources
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/// </summary>
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/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
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protected abstract void Dispose(bool disposing);
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}
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}
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