語言

ConfigurationSectionGroupCollection.Keys 屬性

定義

命名空間:
System.Configuration
組件:
System.Configuration.dll
組件:
System.Configuration.ConfigurationManager.dll

取得該ConfigurationSectionGroup物件中所有ConfigurationSectionGroupCollection物件的金鑰。

public:
 virtual property System::Collections::Specialized::NameObjectCollectionBase::KeysCollection ^ Keys { System::Collections::Specialized::NameObjectCollectionBase::KeysCollection ^ get(); };
public override System.Collections.Specialized.NameObjectCollectionBase.KeysCollection Keys { get; }
member this.Keys : System.Collections.Specialized.NameObjectCollectionBase.KeysCollection
Public Overrides ReadOnly Property Keys As NameObjectCollectionBase.KeysCollection

屬性值

NameObjectCollectionBase.KeysCollection

一個 NameObjectCollectionBase.KeysCollection 包含本集合中所有區段群組名稱的物件。

範例

以下程式碼範例說明如何使用該 Keys 屬性。

// Get the collection keys i.e., the
// group names.
static void GetKeys()
{

    try
    {
        System.Configuration.Configuration config =
        ConfigurationManager.OpenExeConfiguration(
        ConfigurationUserLevel.None);

        ConfigurationSectionGroupCollection groups =
            config.SectionGroups;

        foreach (string key in groups.Keys)
        {

            Console.WriteLine(
             "Key value: {0}", key);
        }
    }
    catch (ConfigurationErrorsException err)
    {
        Console.WriteLine(err.ToString());
    }
}

' Get the collection keys i.e., the
' group names.
Shared Sub GetKeys()
   
   Try
         Dim config _
       As System.Configuration.Configuration = _
       ConfigurationManager.OpenExeConfiguration( _
       ConfigurationUserLevel.None)

         Dim groups _
         As ConfigurationSectionGroupCollection = _
         config.SectionGroups

      Dim key As String
      For Each key In  groups.Keys
         
         Console.WriteLine("Key value: {0}", key)
      Next key
   
   
   Catch err As ConfigurationErrorsException
      Console.WriteLine(err.ToString())
   End Try
End Sub

適用於

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