DataGridColumnStyle.MappingNameChanged イベントとは何？わかりやすく解説 Weblio辞書

.NET Framework クラスライブラリリファレンス

索引トップ用語の索引ランキング

DataGridColumnStyle.MappingNameChanged イベント

MappingName の値が変更された場合に発生します。

名前空間: System.Windows.Forms
アセンブリ: System.Windows.Forms (system.windows.forms.dll 内)
構文

Visual Basic (宣言)

Public Event MappingNameChanged As
 EventHandler

Visual Basic (使用法)

Dim instance As DataGridColumnStyle
Dim handler As EventHandler

AddHandler instance.MappingNameChanged, handler

public event EventHandler MappingNameChanged

C++

public:
event EventHandler^ MappingNameChanged {
    void add (EventHandler^ value);
    void remove (EventHandler^ value);
}

/** @event */
public void add_MappingNameChanged (EventHandler
 value)

/** @event */
public void remove_MappingNameChanged (EventHandler
 value)

JScript

JScript では、イベントは使用できますが、新規に宣言することはできません。

解説

イベント処理の詳細については、「イベントの利用」を参照してください。

使用例

Visual Basic

Private Sub AddCustomColumnStyle()
   Dim myTableStyle As New
 DataGridTableStyle()
   myTableStyle.MappingName = "Orders"
   myColumnStyle = New DataGridTextBoxColumn()
   myColumnStyle.MappingName = "Orders"
   myColumnStyle.HeaderText = "Orders"
   myTableStyle.GridColumnStyles.Add(myColumnStyle)
   myDataGrid.TableStyles.Add(myTableStyle)
   AddHandler myColumnStyle.MappingNameChanged, AddressOf
 columnStyle_MappingNameChanged
   flag = True
End Sub 'AddCustomColumnStyle

' MappingNameChanged event handler of DataGridColumnStyle.
Private Sub columnStyle_MappingNameChanged(ByVal
 sender As Object, ByVal
 e As EventArgs)
   MessageBox.Show("Mapping Name changed")
End Sub 'columnStyle_MappingNameChanged

private void AddCustomColumnStyle()
{
   DataGridTableStyle myTableStyle = new DataGridTableStyle();
   myTableStyle.MappingName = "Orders";
   myColumnStyle =  new DataGridTextBoxColumn();
   myColumnStyle.MappingName="Orders";
   myColumnStyle.HeaderText="Orders";
   myTableStyle.GridColumnStyles.Add(myColumnStyle);
   myDataGrid.TableStyles.Add(myTableStyle);
   myColumnStyle.MappingNameChanged+=new EventHandler(columnStyle_MappingNameChanged);
   flag=true;
}
// MappingNameChanged event handler of DataGridColumnStyle.
private void columnStyle_MappingNameChanged(object
 sender, EventArgs e)
{
   MessageBox.Show("Mapping Name changed");
}

C++

private:
   void AddCustomColumnStyle()
   {
      DataGridTableStyle^ myTableStyle = gcnew DataGridTableStyle;
      myTableStyle->MappingName = "Orders";
      myColumnStyle = gcnew DataGridTextBoxColumn;
      myColumnStyle->MappingName = "Orders";
      myColumnStyle->HeaderText = "Orders";
      myTableStyle->GridColumnStyles->Add( myColumnStyle );
      myDataGrid->TableStyles->Add( myTableStyle );
      myColumnStyle->MappingNameChanged += gcnew EventHandler( this,
 &MyForm::columnStyle_MappingNameChanged );
      flag = (bool *)true;
   }

   // MappingNameChanged event handler of DataGridColumnStyle.
   void columnStyle_MappingNameChanged( Object^ /*sender*/, EventArgs^
 /*e*/ )
   {
      MessageBox::Show( "Mapping Name changed" );
   }

private void AddCustomColumnStyle()
{
    DataGridTableStyle myTableStyle = new DataGridTableStyle();

    myTableStyle.set_MappingName("Orders");
    myColumnStyle = new DataGridTextBoxColumn();
    myColumnStyle.set_MappingName("Orders");
    myColumnStyle.set_HeaderText("Orders");
    myTableStyle.get_GridColumnStyles().Add(myColumnStyle);
    myDataGrid.get_TableStyles().Add(myTableStyle);
    myColumnStyle.add_MappingNameChanged(new EventHandler(
        columnStyle_MappingNameChanged));
    flag = true;
} //AddCustomColumnStyle

// MappingNameChanged event handler of DataGridColumnStyle.
private void columnStyle_MappingNameChanged(Object
 sender, EventArgs e)
{
    MessageBox.Show("Mapping Name changed");
} //columnStyle_MappingNameChanged