更改C#字典中项目的基数

dictionary.Add(key, value);

dictionary.Remove(key);

bool success = dictionary.TryGetValue(key, out value);

bool containsKey = dictionary.ContainsKey(key);

ICollection<TKey> keys = dictionary.Keys;

ICollection<TValue> values = dictionary.Values;

dictionary.Clear();

int count = dictionary.Count;

value = dictionary[key];
dictionary[key] = value;

foreach (KeyValuePair<TKey, TValue> pair in dictionary)
{
    TKey key = pair.Key;
    TValue value = pair.Value;
}