foreach (var shotItem in Invadershots)// it points to me to there and doesnt allow me to loop.."{"Collection was modified; enumeration operation may not execute."}"
{
shotItem.Move();// it happens when this simple method called (which actually checks some bool..if the shot was out of the winform).
if (shotItem.removeShot)
{
Invadershots.Remove(shotItem);
}
}
Could it be because i change the List items simultaneously?
How can i prevent that error from occurring?
This is because you trying modify collection Invadershots
Invadershots.Remove(shotItem);
This is not allowed within foreach, use for instead..
You cannot alter a collection whilst enumerating across it. Create a clone of the collection and alter that.
You can't do that deleting an element into a List, that you'r reading in a foreach will crash, surely, try to make a copy to remove with that while you're in the foreach, or make a for iteration and control de number of elements correctly and the out condition.
See you
