DataGridTableStyle.ReadOnlyChanged Händelse
Definition
Viktigt
En del information gäller för förhandsversionen av en produkt och kan komma att ändras avsevärt innan produkten blir allmänt tillgänglig. Microsoft lämnar inga garantier, uttryckliga eller underförstådda, avseende informationen som visas här.
Inträffar när värdet ReadOnly ändras.
public:
event EventHandler ^ ReadOnlyChanged;
public event EventHandler ReadOnlyChanged;
member this.ReadOnlyChanged : EventHandler
Public Custom Event ReadOnlyChanged As EventHandler
Händelsetyp
Exempel
Följande kodexempel visar hur den här medlemmen används.
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
Kommentarer
Mer information om hur du hanterar händelser finns i Hantera och höja händelser.