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If I implement a object with IDisposable, should all objects that own that object implement it as well, even if they have no other resources to release?
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Typically, types that use unmanaged resources implement the IDisposable or IAsyncDisposable interface to allow the unmanaged resources to be reclaimed. When you finish using an object that implements IDisposable, you call the object's Dispose or DisposeAsync implementation to explicitly perform cleanup.
By default, the garbage collector automatically calls an object's finalizer before reclaiming its memory. However, if the Dispose method has been called, it is typically unnecessary for the garbage collector to call the disposed object's finalizer.
IDisposable is an interface defined in the System namespace. It is used to release managed and unmanaged resources. Implementing IDisposable interface compels us to implement 2 methods and 1 boolean variable – Public Dispose() : This method will be called by the consumer of the object when resources are to be released.
For implementing the IDisposable design pattern, the class which deals with unmanaged objects directly or indirectly should implement the IDisposable interface. And implement the method Dispose declared inside of the IDisposable interface. We do not directly deal with unmanaged objects.
Yes. You need to dispose of them, in order to have your member variables get disposed correctly.
Any time you encapsulate an IDisposable class, you should make your class IDisposable. In your Dispose method, you should dispose your encapsulated resources. Basically, treat them the same way you would treat a native resource.
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If you want deterministic disposal, ultimately some client needs to call Dispose or wrap the calls in a "using" block. To trickle down to your object, that might require that the owner implement IDisposable as well.
You shouldn't rely on the garbage collector to free any time-dependent resources.
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