modify an element in a queue in csharp

main.cs
Queue<int> myQueue = new Queue<int>();

// add items to queue
myQueue.Enqueue(1);
myQueue.Enqueue(2);
myQueue.Enqueue(3);
myQueue.Enqueue(4);
myQueue.Enqueue(5);

// dequeue items until we find the one we want to modify
Queue<int> tempQueue = new Queue<int>();
bool found = false;
while (myQueue.Count > 0)
{
    int item = myQueue.Dequeue();
    if (item == 3)
    {
        // modify item
        item = 6;
        found = true;
    }
    tempQueue.Enqueue(item);
    
    if (found) break;
}

// enqueue items back into original queue
while (tempQueue.Count > 0)
{
    int item = tempQueue.Dequeue();
    myQueue.Enqueue(item);
}
633 chars
33 lines