IDisposable interface : Garbage Collection « Development Class « C# / C Sharp
- C# / C Sharp
- Development Class
- Garbage Collection
IDisposable interface
using System;
namespace Client.Chapter_5___Building_Your_Own_Classes
{
public class DTOR: IDisposable
{
public static int[] MyIntArray;
private static int ObjectCount = 0;
private bool Disposed = false;
static void Main(string[] args)
{
MyIntArray = new int[10];
ObjectCount++;
}
//Used to clean up and free unmanaged resources
//Never mark this class as virtual as you do not want derived
//classes to be able to override it.
public void Dispose()
{
//if this class is derived then call the base
//class dispose.
//base.Dispose();
//Call the overloaded version of dispose
Dispose(true);
//Tell the CLR not to run the finalizer this way
//you do not free unmanaged resources twice
GC.SuppressFinalize(this);
}
//If user calls dispose both managed and unmanaged resources
//are freed
//If the finalizer is called then only unmanaged resources are freed
private void Dispose(bool disposing)
{
if(!this.Disposed)
{
if(disposing)
{
//free any managed resources
}
//free unmanaged resources
}
Disposed = true;
}
//This finalizer method is called by the GC,
//not the user. The net result of having this is that
//the object will always survive the first GC cycle and
//will be collected the next time GC1 is collected.
~DTOR()
{
Dispose(false);
}
}
}
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