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// <Snippet3>
using Microsoft.Win32.SafeHandles;
using System;
using System.Runtime.InteropServices;
class BaseClass : IDisposable
{
// Flag: Has Dispose already been called?
bool disposed = false;
// Instantiate a SafeHandle instance.
SafeHandle handle = new SafeFileHandle(IntPtr.Zero, true);
// Public implementation of Dispose pattern callable by consumers.
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
// Protected implementation of Dispose pattern.
protected virtual void Dispose(bool disposing)
{
if (disposed)
return;
if (disposing) {
handle.Dispose();
// Free any other managed objects here.
//
}
// Free any unmanaged objects here.
//
disposed = true;
}
}
// </Snippet3>