<Button Name="btnOK"

                            Content="确定"

                            Height="20"

                            Width="50"

                            Background="#00FF99"

                            HorizontalAlignment="Left"

                            Margin="442,30,0,0"

                            VerticalAlignment="Top"

                            Command="{Binding ConfirmCommand}"

                            >

                        <Button.CommandParameter>

                            <MultiBinding Converter="{ StaticResource ResourceKey=objectConverter}" Mode="TwoWay">

                                <MultiBinding.Bindings>

                                    <Binding ElementName="dataPickerInts" Path="Datas"/>

                                    <Binding ElementName="dataPickerBytes" Path="Datas"/>

                                </MultiBinding.Bindings>

                            </MultiBinding>

                        </Button.CommandParameter>

                    </Button>

 public class ObjectConvert : IMultiValueConverter

    {

        #region IMultiValueConverter Members

        public static object ConverterObject;       

        public object Convert(object[] values, Type targetType,

          object parameter, System.Globalization.CultureInfo culture)

        {

            ConverterObject = values;

            string str = values.GetType().ToString();

            return values.ToArray();

        }

        public object[] ConvertBack(object value, Type[] targetTypes,

          object parameter, System.Globalization.CultureInfo culture)

        {

            throw new NotImplementedException();

        }

        #endregion

    }