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Is it required to set a object property null before assign a object in C#

Skale asked
Last Modified: 2019-12-11

I'd like to know that, is there any benefit pros/cons assign a object variable which has already existing object.

For example i have global variable MyModel with a type MyComType and it has a ObjectValue,

After a while if i changed it's value to another object with the same type; is there any cons using like this.

I think this is more related to lifetime of objects but i'd like to ask here.
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