DataGridTableStyle.ReadOnlyChanged-Ereignis

Tritt ein, wenn sich der ReadOnly-Wert ändert.

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

Syntax

'Declaration
Public Event ReadOnlyChanged As EventHandler
'Usage
Dim instance As DataGridTableStyle
Dim handler As EventHandler

AddHandler instance.ReadOnlyChanged, handler

public event EventHandler ReadOnlyChanged

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

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

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

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

Hinweise

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

Beispiel

Protected Sub AddTableStyle()
   ' Create a new DataGridTableStyle.
   myDataGridTableStyle = New DataGridTableStyle()
   myDataGridTableStyle.MappingName = myDataSet1.Tables(0).TableName
   myDataGrid1.DataSource = myDataSet1.Tables(0)
   AddHandler myDataGridTableStyle.ReadOnlyChanged, AddressOf MyReadOnlyChangedEventHandler
   myDataGrid1.TableStyles.Add(myDataGridTableStyle)
End Sub 'AddTableStyle

' Handle the 'ReadOnlyChanged' event.
Private Sub MyReadOnlyChangedEventHandler(sender As Object, e As EventArgs)
   MessageBox.Show("ReadOnly property is changed")
End Sub 'MyReadOnlyChangedEventHandler

' Handle the check box's CheckedChanged event
Private Sub myCheckBox1_CheckedChanged(sender As Object, e As EventArgs)
   If myDataGridTableStyle.ReadOnly Then
      myDataGridTableStyle.ReadOnly = False
   Else
      myDataGridTableStyle.ReadOnly = True
   End If
End Sub 'myCheckBox1_CheckedChanged

protected void AddTableStyle()
{
   // Create a new DataGridTableStyle.
   myDataGridTableStyle = new DataGridTableStyle();
   myDataGridTableStyle.MappingName = myDataSet1.Tables[0].TableName;
   myDataGrid1.DataSource=myDataSet1.Tables[0];
   myDataGridTableStyle.ReadOnlyChanged+=new EventHandler(MyReadOnlyChangedEventHandler);
   myDataGrid1.TableStyles.Add(myDataGridTableStyle);
}

// Handle the 'ReadOnlyChanged' event.
private void MyReadOnlyChangedEventHandler(object sender, EventArgs e)
{
   MessageBox.Show("ReadOnly property is changed");
}

// Handle the check box's CheckedChanged event
private void myCheckBox1_CheckedChanged(object sender, EventArgs e)
{
   if(myDataGridTableStyle.ReadOnly)
   {
      myDataGridTableStyle.ReadOnly=false;
   }
   else
   {
      myDataGridTableStyle.ReadOnly=true;
   }
}

protected:
   void AddTableStyle()
   {
      
      // Create a new DataGridTableStyle.
      myDataGridTableStyle = gcnew DataGridTableStyle;
      myDataGridTableStyle->MappingName = myDataSet1->Tables[ 0 ]->TableName;
      myDataGrid1->DataSource = myDataSet1->Tables[ 0 ];
      myDataGridTableStyle->ReadOnlyChanged += gcnew EventHandler( this, &Form1::MyReadOnlyChangedEventHandler );
      myDataGrid1->TableStyles->Add( myDataGridTableStyle );
   }

private:
   // Handle the 'ReadOnlyChanged' event.
   void MyReadOnlyChangedEventHandler( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      MessageBox::Show( "ReadOnly property is changed" );
   }

   // Handle the check box's CheckedChanged event
   void myCheckBox1_CheckedChanged( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      if ( myDataGridTableStyle->ReadOnly )
      {
         myDataGridTableStyle->ReadOnly = false;
      }
      else
      {
         myDataGridTableStyle->ReadOnly = true;
      }
   }

protected void AddTableStyle()
{
    // Create a new DataGridTableStyle.
    myDataGridTableStyle = new DataGridTableStyle();
    myDataGridTableStyle.set_MappingName(myDataSet1.get_Tables().
        get_Item(0).get_TableName());
    myDataGrid1.set_DataSource(myDataSet1.get_Tables().get_Item(0));
    myDataGridTableStyle.add_ReadOnlyChanged(new EventHandler(
        MyReadOnlyChangedEventHandler));
    myDataGrid1.get_TableStyles().Add(myDataGridTableStyle);
} //AddTableStyle

// Handle the 'ReadOnlyChanged' event.
private void MyReadOnlyChangedEventHandler(Object sender, EventArgs e)
{
    MessageBox.Show("ReadOnly property is changed");
} //MyReadOnlyChangedEventHandler

// Handle the check box's CheckedChanged event
private void myCheckBox1_CheckedChanged(Object sender, EventArgs e)
{
    if (myDataGridTableStyle.get_ReadOnly()) {
        myDataGridTableStyle.set_ReadOnly(false);
    }
    else {
        myDataGridTableStyle.set_ReadOnly(true);
    }
} //myCheckBox1_CheckedChanged

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

Siehe auch

Referenz

DataGridTableStyle-Klasse
DataGridTableStyle-Member
System.Windows.Forms-Namespace
DataGridTableStyle.ReadOnly-Eigenschaft