C# object is not null but (myObject != null) still return false

Question

I need to do a comparaison between an object and NULL. When the object is not NULL I fill it with some data.

Here is the code :

 if (region != null)
         


        

Answer 1

This can sometimes happen when you have multiple threads working with the same data. If this is the case, you can use a lock to prevent them from messing with eachother.