WPF

// Register the callback for the control Unload event 
// This Callback is called for control deletion and when the WPF window(.XAML) 
// is closed in cider.               
this.Unloaded += new RoutedEventHandler(ControlUnloadedCallBack);
.
.
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 private void FSFControlUnloaded(object sender, RoutedEventArgs e) {
   // notification called
   }

<Button Grid.Row="5" Height="75" Width="220" Padding="2" >
          <ContentControl Template="{StaticResource Credit-Card}" />
      </Button>

<Style x:Key="UDPGlobalGridViewStyle" TargetType="{x:Type udpcontrols:UDPTelerikGridView}"
                  BasedOn="{StaticResource UDPRadGridViewTopTitle}">
    <Setter Property="udpcontrols:UDPTelerikGridView.TitleBarVisibility" Value="Visible" />
    <Setter Property="udpcontrols:UDPTelerikGridView.TitleBarBackground" Value="Black" />

    <!--<Setter Property="udpcontrols:UDPTelerikGridView.TitleBarBorderBrush" Value="Black" />-->

    <Setter Property="udpcontrols:UDPTelerikGridView.TitleBarBorderThickness" Value="1" />
    <Setter Property="udpcontrols:UDPTelerikGridView.TitleTextForeground" Value="White" />
    <Setter Property="udpcontrols:UDPTelerikGridView.TitleTextFontFamily" Value="Arial" />
    <Setter Property="udpcontrols:UDPTelerikGridView.TitleTextFontSize" Value="16" />
    <Setter Property="udpcontrols:UDPTelerikGridView.TitleTextFontWeight" Value="Bold" />
    <Setter Property="udpcontrols:UDPTelerikGridView.TitleTextFontStyle" Value="Italic" />
    <Setter Property="udpcontrols:UDPTelerikGridView.GridPrintButtonVisibility" Value="Hidden" />
    <Setter Property="udpcontrols:UDPTelerikGridView.GridExportButtonVisibility" Value="Visible" />
    <Setter Property="udpcontrols:UDPTelerikGridView.GridExportButtonIsEnabled" Value="True" />
</Style>