What is the easiest way to foreach through a List removing unwanted objects?

Question

In my application, _collection is a List from which I need to remove all User objects which do not match the criteria.

However, the fol

Answer 1

Whenever there is a chance that a collection will be modified in a loop, opt for a for loop instead. The solution given by Mehrdad is lovely and definitely worth a try!

Here's code I find helpful when dealing with modifiable collections:

for(int index=0;index < _collection.Count; index++)
{
    if (!_collection[index].IsApproved)
    {
        _collection.RemoveAt(index);
        index--;
    }
}