This is how to implement dispose pattern to file reading in C#: using System; using System.IO; class BaseResource: IDisposable { // Track whether Dispose has been called. private bool disposed = false; // The unmanaged resource wrapper object private FileStream file; // Class constructor public BaseResource(String fileName) { Console.WriteLine("BaseResource constructor allocates unmanaged resource wrapper"); file = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read); } // Implement IDisposable public void Dispose() { // Check to see if Dispose has already been called. if (!disposed) { Console.WriteLine("Dispose pattern releases unmanaged resource wrapper's resource"); file.Close(); disposed = true; } } public void Close() { Dispose(); } public void DoS...
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