DataGrid.CurrentCellChanged-Ereignis

Tritt ein, wenn die CurrentCell-Eigenschaft geändert wurde.

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in system.windows.forms.dll)

Syntax

'Declaration
Public Event CurrentCellChanged As EventHandler
'Usage
Dim instance As DataGrid
Dim handler As EventHandler

AddHandler instance.CurrentCellChanged, handler

public event EventHandler CurrentCellChanged

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

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

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

JScript unterstützt die Verwendung von Ereignissen, aber nicht die Deklaration von neuen Ereignissen.

Hinweise

Die aktuelle Zelle wird mithilfe der CurrentCell-Eigenschaft bestimmt.

Weitere Informationen zum Behandeln von Ereignissen finden Sie unter Behandeln von Ereignissen.

Beispiel

' 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

// 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");
}

   // 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" );
   }

// 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

Plattformen

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

.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.

Versionsinformationen

.NET Framework

Unterstützt in: 2.0, 1.1, 1.0

.NET Compact Framework

Unterstützt in: 2.0, 1.0

Siehe auch

Referenz

DataGrid-Klasse
DataGrid-Member
System.Windows.Forms-Namespace