DataGridTableStyle.ReadOnlyChanged Ereignis

Referenz

Definition

Namespace:: System.Windows.Forms

Assembly:: System.Windows.Forms.dll

Wichtig

Einige Informationen beziehen sich auf Vorabversionen, die vor dem Release ggf. grundlegend überarbeitet werden. Microsoft übernimmt hinsichtlich der hier bereitgestellten Informationen keine Gewährleistungen, seien sie ausdrücklich oder konkludent.

Tritt ein, wenn sich der ReadOnly-Wert ändert.

public:
 event EventHandler ^ ReadOnlyChanged;

public event EventHandler ReadOnlyChanged;

member this.ReadOnlyChanged : EventHandler

Public Custom Event ReadOnlyChanged As EventHandler

Ereignistyp

EventHandler

Beispiele

Im folgenden Codebeispiel wird die Verwendung dieses Members veranschaulicht.

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.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 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

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

' 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

Hinweise

Weitere Informationen zur Behandlung von Ereignissen finden Sie unter behandeln und Auslösen von Ereignissen.

Gilt für:

Weitere Informationen

ReadOnly

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