StringMap 类
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
关联集合,也称为映射或字典。
public ref class StringMap sealed : IIterable<IKeyValuePair<Platform::String ^, Platform::String ^> ^>, IMap<Platform::String ^, Platform::String ^>, IObservableMap<Platform::String ^, Platform::String ^>
/// [Windows.Foundation.Metadata.Activatable(65536, Windows.Foundation.FoundationContract)]
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.FoundationContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class StringMap final : IIterable<IKeyValuePair<winrt::hstring, winrt::hstring const&>>, IMap<winrt::hstring, winrt::hstring const&>, IObservableMap<winrt::hstring, winrt::hstring const&>
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.FoundationContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
/// [Windows.Foundation.Metadata.Activatable(65536, "Windows.Foundation.FoundationContract")]
class StringMap final : IIterable<IKeyValuePair<winrt::hstring, winrt::hstring const&>>, IMap<winrt::hstring, winrt::hstring const&>, IObservableMap<winrt::hstring, winrt::hstring const&>
[Windows.Foundation.Metadata.Activatable(65536, typeof(Windows.Foundation.FoundationContract))]
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.FoundationContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class StringMap : IDictionary<string,string>, IEnumerable<KeyValuePair<string,string>>, IObservableMap<string,string>
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.FoundationContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
[Windows.Foundation.Metadata.Activatable(65536, "Windows.Foundation.FoundationContract")]
public sealed class StringMap : IDictionary<string,string>, IEnumerable<KeyValuePair<string,string>>, IObservableMap<string,string>
function StringMap()
Public NotInheritable Class StringMap
Implements IDictionary(Of String, String), IEnumerable(Of KeyValuePair(Of String, String)), IObservableMap(Of String, String)
- 继承
- 属性
- 实现
-
IMap<K,V> IDictionary<K,V> IMap<String,String> IDictionary<String,String> IMap<Platform::String,Platform::String> IMap<winrt::hstring,winrt::hstring> IIterable<IKeyValuePair<K,V>> IEnumerable<KeyValuePair<K,V>> IIterable<IKeyValuePair<String,String>> IEnumerable<KeyValuePair<String,String>> IIterable<IKeyValuePair<Platform::String,Platform::String>> IIterable<IKeyValuePair<winrt::hstring,winrt::hstring>> IObservableMap<String,String> IObservableMap<Platform::String,Platform::String> IObservableMap<winrt::hstring,winrt::hstring>
Windows 要求
设备系列 |
Windows 10 (在 10.0.10240.0 中引入)
|
API contract |
Windows.Foundation.FoundationContract (在 v1.0 中引入)
|
注解
此类允许 JavaScript 轻松循环访问字符串是键和值的唯一预期值的集合。
构造函数
StringMap() |
创建并初始化 StringMap 的新实例。 |
属性
Size |
获取映射中的项数。 |
方法
Clear() |
从映射中删除所有项。 |
First() |
返回包含集合中的项的迭代器。 |
GetView() |
返回地图的不可变视图。 |
HasKey(String) |
确定映射是否包含指定的键。 |
Insert(String, String) |
插入或替换地图中的项。 |
Lookup(String) |
返回映射中指定键处的项。 |
Remove(String) |
从映射中删除项。 |
事件
MapChanged |
在地图内容更改时发生。 |