using System;
public class MyClass : IDisposable
{
private string name;
public MyClass(string name) { this.name = name; }
override public string ToString() { return name; }
~MyClass()
{
Dispose();
Console.WriteLine("~MyClass(): " +name);
}
public void Dispose()
{
Console.WriteLine("Dispose(): " +name);
GC.SuppressFinalize(this);
}
}
public class DisposableApp
{
public static void Main(string[] args)
{
Console.WriteLine("start of Main, heap used: {0}", GC.GetTotalMemory(true));
DoSomething();
Console.WriteLine("end of Main, heap used: {0}", GC.GetTotalMemory(true));
}
public static void DoSomething()
{
MyClass[] ta = new MyClass[3];
for (int i = 0; i < 3; i++)
{
ta[i] = new MyClass(String.Format("object #" +i));
Console.WriteLine("Allocated {0} objects, heap used: {1}", i+1, GC.GetTotalMemory(true));
}
for (int i = 0; i < 3; i++)
{
ta[i].Dispose();
ta[i] = null;
GC.Collect();
GC.WaitForPendingFinalizers();
Console.WriteLine("Disposed {0} objects, heap used: {1}",i+1, GC.GetTotalMemory(true));
}
}
}
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