public void Add(TKey key, TValue value)
{
ThrowHelper.ThrowIfArgumentNullException(key, "key");
ThrowIfKeyExists(key);
dict.Add(key, value);
}
object IDictionary.this[object key]
{
get
{
ThrowHelper.ThrowIfArgumentNullException(key, "key");
if (!(key is TKey))
{
return(null);
}
TValue val;
if (!TryGetValue((TKey)key, out val))
{
return(null);
}
return(val);
}
set
{
ThrowHelper.ThrowIfArgumentNullException(key, "key");
ThrowIfWrongKeyType(key);
ThrowIfWrongValueType(value);
this[(TKey)key] = (TValue)value;
}
}
public bool Remove(KeyValuePair <TKey, TValue> item)
{
ThrowHelper.ThrowIfArgumentNullException(item, "item");
ThrowHelper.ThrowIfArgumentNullException(item.Key, "item.Key");
return(dict.Remove(item));
}
void IDictionary.Add(object key, object value)
{
ThrowHelper.ThrowIfArgumentNullException(key, "key");
ThrowIfWrongKeyType(key);
ThrowIfWrongValueType(value);
Add((TKey)key, (TValue)value);
}
void IDictionary.Remove(object key)
{
ThrowHelper.ThrowIfArgumentNullException(key, "key");
if (!(key is TKey))
{
return;
}
Remove((TKey)key);
}
bool IDictionary.Contains(object key)
{
ThrowHelper.ThrowIfArgumentNullException(key, "key");
if (!(key is TKey))
{
return(false);
}
return(ContainsKey((TKey)key));
}
public TValue this[TKey key]
{
get
{
ThrowHelper.ThrowIfArgumentNullException(key, "key");
return(dict[key]);
}
set
{
ThrowHelper.ThrowIfArgumentNullException(key, "key");
dict[key] = value;
}
}
public bool TryGetValue(TKey key, out TValue value)
{
ThrowHelper.ThrowIfArgumentNullException(key, "key");
return(dict.TryGetValue(key, out value));
}
public bool Remove(TKey key)
{
ThrowHelper.ThrowIfArgumentNullException(key, "key");
return(dict.Remove(key));
}
public bool ContainsKey(TKey key)
{
ThrowHelper.ThrowIfArgumentNullException(key, "key");
return(dict.ContainsKey(key));
}
public void Add(KeyValuePair <TKey, TValue> item)
{
ThrowHelper.ThrowIfArgumentNullException(item, "item");
ThrowIfKeyExists(item.Key);
dict.Add(item);
}