private static void TestLongWeakReference()
{
ReferenceObject strongReference = new ReferenceObject()
{
Id = 1
, Name = "Reference Object 1"
};
WeakReference <ReferenceObject> weakReference = new WeakReference <ReferenceObject>(strongReference);
weakReference.TryGetTarget(out ReferenceObject referenceObject1);
Console.WriteLine($"Reference Object 1: {referenceObject1.Name}");
strongReference = null;
referenceObject1 = null;
weakReference.TryGetTarget(out ReferenceObject referenceObject2);
Console.WriteLine($"Reference Object 2: {referenceObject2.Name}");
referenceObject2 = null;
GC.Collect();
weakReference.TryGetTarget(out ReferenceObject referenceObject3);
Console.WriteLine($"Reference Object 3a: {referenceObject3.Name}");
weakReference = null;
GC.Collect();
Console.WriteLine($"Reference Object 3b: {referenceObject3.Name}");
}
private static void TestStrongReferences()
{
var o1 = new ReferenceObject()
{
Id = 1, Name = "Object 1"
};
var o2 = new ReferenceObject()
{
Id = 2, Name = "Object 2"
};
var o3 = new ReferenceObject()
{
Id = 3, Name = "Object 3"
};
StrongReferences.Add(o1);
StrongReferences.Add(o2);
StrongReferences.Add(o3);
}
private static void TestWeakReferences()
{
var o1 = new ReferenceObject()
{
Id = 1, Name = "Object 4"
};
var o2 = new ReferenceObject()
{
Id = 2, Name = "Object 5"
};
var o3 = new ReferenceObject()
{
Id = 3, Name = "Object 6"
};
WeakReferences.Add(o1);
WeakReferences.Add(o2);
WeakReferences.Add(o3);
o1 = null;
o2 = null;
o3 = null;
}
public void Add(ReferenceObject o)
{
Objects.Add(o);
}
public void Add(ReferenceObject o)
{
Objects.Add(new WeakReference <ReferenceObject>(o));
}