DataGrid.CurrentCellChanged イベント

.NET Framework クラス ライブラリ リファレンス

DataGrid.CurrentCellChanged イベント

CurrentCell プロパティ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 CurrentCellChanged As
 EventHandler

Visual Basic (使用法)

Dim instance As DataGrid
Dim handler As EventHandler

AddHandler instance.CurrentCellChanged, handler

C#

public event EventHandler CurrentCellChanged

C++

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

J#

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

/** @event */
public void remove_CurrentCellChanged (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

現在のセルを確認するには、CurrentCell プロパティを使用します。

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

' Create an instance of the 'CurrentCellChanged' EventHandler.
Private Sub CallCurrentCellChanged()
   AddHandler myDataGrid.CurrentCellChanged, AddressOf
 Grid_CurCellChange
End Sub 'CallCurrentCellChanged


' Raise the event when focus on DataGrid cell changes.
 Private Sub Grid_CurCellChange(ByVal
 sender As Object, ByVal
 e As EventArgs)
     ' String variable used to show message.
     Dim myString As String
 = "CurrentCellChanged event raised, cell focus is at "
     ' Get the co-ordinates of the focussed cell.
     Dim myPoint As String
 = myDataGrid.CurrentCell.ColumnNumber + "," + myDataGrid.CurrentCell.RowNumber
     ' Create the alert message.
     myString = myString + "(" + myPoint + ")"
     ' Show Co-ordinates when CurrentCellChanged event is raised.
     MessageBox.Show(myString, "Current cell co-ordinates")
 End Sub 'Grid_CurCellChange

C#

// Create an instance of the 'CurrentCellChanged' EventHandler.
private void CallCurrentCellChanged()
{
   myDataGrid.CurrentCellChanged += new EventHandler(Grid_CurCellChange);
}

// Raise the event when focus on DataGrid cell changes.
private void Grid_CurCellChange(object sender,
 EventArgs e)
{
   // String variable used to show message.
   string myString = "CurrentCellChanged event raised, cell
 focus is at ";
   // Get the co-ordinates of the focussed cell.
   string myPoint  = myDataGrid.CurrentCell.ColumnNumber + ","
 +
                  myDataGrid.CurrentCell.RowNumber;
   // Create the alert message.
   myString = myString + "(" + myPoint + ")";
   // Show Co-ordinates when CurrentCellChanged event is raised.
   MessageBox.Show(myString, "Current cell co-ordinates");
}

C++

   // Create an instance of the 'CurrentCellChanged' EventHandler.
private:
   void CallCurrentCellChanged()
   {
      myDataGrid->CurrentCellChanged += gcnew EventHandler( this,
 &MyDataGrid::Grid_CurCellChange );
   }

   // Raise the event when focus on DataGrid cell changes.
   void Grid_CurCellChange( Object^ /*sender*/, EventArgs^ /*e*/
 )
   {
      // String variable used to show message.
      String^ myString = "CurrentCellChanged event raised, cell focus is at
 ";

      // Get the co-ordinates of the focussed cell.
      String^ myPoint = String::Concat( myDataGrid->CurrentCell.ColumnNumber,
 ", ", myDataGrid->CurrentCell.RowNumber );

      // Create the alert message.
      myString = String::Concat( myString, "(", myPoint, ")"
 );

      // Show Co-ordinates when CurrentCellChanged event is raised.
      MessageBox::Show( myString, "Current cell co-ordinates" );
   }

J#

// Create an instance of the 'CurrentCellChanged' EventHandler.
private void CallCurrentCellChanged()
{
    myDataGrid.add_CurrentCellChanged(new EventHandler(GridCurCellChange));
} //CallCurrentCellChanged

// Raise the event when focus on DataGrid cell changes.
protected void GridCurCellChange(Object sender,
 EventArgs e)
{
    // String variable used to show message.
    String myString = "CurrentCellChanged event raised, cell focus is at ";

    // Get the co-ordinates of the focussed cell.
    String myPoint = myDataGrid.get_CurrentCell().get_ColumnNumber() 
        + "," + myDataGrid.get_CurrentCell().get_RowNumber();

    // Create the alert message.
    myString = myString + "(" + myPoint + ")";

    // Show Co-ordinates when CurrentCellChanged event is raised.
    MessageBox.Show(myString, "Current cell co-ordinates");
} //GridCurCellChange

プラットフォーム

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。

バージョン情報

.NET Framework
サポート対象 : 2.0、1.1、1.0
.NET Compact Framework
サポート対象 : 2.0、1.0

参照

関連項目
DataGrid クラス
DataGrid メンバ
System.Windows.Forms 名前空間