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Showing posts from February, 2007

The Surprising Finalize Call !!!

Guess the output of the following program:-
class SomeClass : IDisposable
{
public SomeClass()
{
Trace.WriteLine("SomeClass - Attempting instance creation");
throw new Exception("Ohh !!! Not Now");
}

public void Dispose()
{
Trace.WriteLine("SomeClass::Dispose");
}

~SomeClass()
{
Trace.WriteLine("SomeClass::Finalizer");
}
}

int Main(string args[]){
try{
SomeClass sc = new SomeClass();
}catch(Exception ex){
Trace.WriteLine("Main - {0}", ex.Message);
}
}This will be the output of the program:- SomeClass - Attempting instance creation
Ohh !!! Not Now SomeClass::FinalizerIf you are surprised with the last line of the output, that will be the intent of our discussion. In the .NET [managed] world, the garbage collector is entirely responsible for memory management - allocation and deallocation. In C#, an instance of a class is created using the new keyword. When an instance creation is requested, first memory for th…