ControlBindingsCollection.Item[String] プロパティ

定義

名前空間:

System.Windows.Forms

アセンブリ:

System.Windows.Forms.dll

コントロールのプロパティ名で指定した Binding を取得します。

public:
 property System::Windows::Forms::Binding ^ default[System::String ^] { System::Windows::Forms::Binding ^ get(System::String ^ propertyName); };

public System.Windows.Forms.Binding this[string propertyName] { get; }

member this.Item(string) : System.Windows.Forms.Binding

Default Public ReadOnly Property Item(propertyName As String) As Binding

パラメーター

propertyName

String

データ バインドされたコントロールのプロパティの名前。

プロパティ値

Binding

指定したコントロール プロパティをデータ ソースにバインドする Binding。

例

次のコード例では、BindingControlBindingsCollection.

void PrintValue()
{
   ControlBindingsCollection^ myControlBindings;
   myControlBindings = textBox1->DataBindings;
   
   // Get the Binding for the Text property.
   Binding^ myBinding = myControlBindings[ "Text" ];
   
   // Assuming the data source is a DataTable.
   DataRowView^ drv;
   drv = dynamic_cast<DataRowView^>(myBinding->BindingManagerBase->Current);
   
   // Assuming a column named S"custName" exists, print the value.
   Console::WriteLine( drv[ "custName" ] );
}

private void PrintValue()
{
   ControlBindingsCollection myControlBindings;
   myControlBindings = textBox1.DataBindings;

   // Get the Binding for the Text property.
   Binding myBinding = myControlBindings["Text"];

   // Assuming the data source is a DataTable.
   DataRowView drv;
   drv = (DataRowView) myBinding.BindingManagerBase.Current;

   // Assuming a column named "custName" exists, print the value.
   Console.WriteLine(drv["custName"]);
}

Private Sub PrintValue()

   Dim myControlBindings As ControlBindingsCollection = _
   textBox1.DataBindings

   ' Get the Binding for the Text property.
   Dim myBinding As Binding = myControlBindings("Text")

   ' Assuming the data source is a DataTable.
   Dim drv As DataRowView = _
   CType( myBinding.BindingManagerBase.Current, DataRowView)

   ' Assuming a column named "custName" exists, print the value.
   Console.WriteLine(drv("custName"))
End Sub

注釈

指定したプロパティがコレクション内のバインドと一致しない場合は、 Item[] null.