Explain what is Weak Reference in C#?
Explain what is Weak Reference in C#?
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Aryan Kumar
30-May-2023A weak reference in C# is a reference to an object that does not prevent the object from being garbage collected. This means that if the only references to an object are weak references, the object will be eligible for garbage collection and may be reclaimed by the garbage collector at any time.
Weak references are useful for situations where you want to keep track of an object, but you don't want to prevent it from being garbage collected. For example, you might use weak references to keep track of objects that are used as temporary data structures.
To create a weak reference in C#, you use the WeakReference class. The WeakReference class has two constructors:
Once you have created a weak reference, you can use it to access the object that it references. However, if the object has been garbage collected, the WeakReference object will be null.
Here is an example of how to use weak references in C#:
C#
Weak references can be a useful tool for managing objects in C#. However, it is important to understand that weak references do not prevent objects from being garbage collected. If you need to keep an object alive, you must create a strong reference to it.