ImmutableSortedDictionary<TKey,TValue>.TryGetValue(TKey, TValue) 方法

定义

获取与指定键关联的值。Gets the value associated with the specified key.

public:
 virtual bool TryGetValue(TKey key, [Runtime::InteropServices::Out] TValue % value);
public bool TryGetValue (TKey key, out TValue value);
abstract member TryGetValue : 'Key * 'Value -> bool
override this.TryGetValue : 'Key * 'Value -> bool
Public Function TryGetValue (key As TKey, ByRef value As TValue) As Boolean

参数

key
TKey

将检索其值的键。The key whose value will be retrieved.

value
TValue

当此方法返回时,如果找到该键,则包含与指定的键相关联的值;否则将包含 value 参数的类型默认值。When this method returns, contains the value associated with the specified key, if the key is found; otherwise, contains the default value for the type of the value parameter.

返回

如果字典包含具有指定键的元素,则为 true;否则为 falsetrue if the dictionary contains an element with the specified key; otherwise, false.

实现

适用于