KeyValueConfigurationElement.Key 属性

定义

命名空间:

System.Configuration

程序集:

System.Configuration.ConfigurationManager.dll

包:

System.Configuration.ConfigurationManager v8.0.0

Source:

KeyValueConfigurationElement.cs

获取 KeyValueConfigurationElement 对象的键。

public:
 property System::String ^ Key { System::String ^ get(); };

[System.Configuration.ConfigurationProperty("key", DefaultValue="", Options=System.Configuration.ConfigurationPropertyOptions.IsKey)]
public string Key { get; }

[<System.Configuration.ConfigurationProperty("key", DefaultValue="", Options=System.Configuration.ConfigurationPropertyOptions.IsKey)>]
member this.Key : string

Public ReadOnly Property Key As String

属性值

String

KeyValueConfigurationElement 的键。

属性

ConfigurationPropertyAttribute

示例

下面的代码示例演示如何使用 Key 属性。 此代码示例是为类概述提供的更大示例的 KeyValueConfigurationCollection 一部分。

// Display each KeyValueConfigurationElement.
foreach (KeyValueConfigurationElement keyValueElement in settings)
{
  Console.WriteLine("Key: {0}", keyValueElement.Key);
  Console.WriteLine("Value: {0}", keyValueElement.Value);
  Console.WriteLine();
}

' Display each KeyValueConfigurationElement.
Dim keyValueElement As KeyValueConfigurationElement
For Each keyValueElement In settings
  Console.WriteLine("Key: {0}", keyValueElement.Key)
  Console.WriteLine("Value: {0}", keyValueElement.Value)
  Console.WriteLine()
Next