SilverLight：基础控件使用（6）-Slider控件

<Slider Height="23" HorizontalAlignment="Left" Margin="8,19,0,0"
        Name="slider1" VerticalAlignment="Top" Width="100" Maximum="10" Minimum="0" Value="5" />
<Slider Height="90" HorizontalAlignment="Left" Margin="128,52,0,0" 
        Name="slider2" VerticalAlignment="Top" Width="100" Minimum="0" Maximum="10"
        Orientation="Vertical" Value="3" IsDirectionReversed="True" />

//赋值
this.slider1.Value = 10;
this.slider1.Orientation = Orientation.Horizontal;    //水平方向
this.slider1.IsDirectionReversed = true;    //自右而左递增

//取值
double var = this.slider1.Value;

<Slider Height="23" HorizontalAlignment="Left" Margin="138,185,0,0"
        Name="slider3" VerticalAlignment="Top" Width="100" ValueChanged="slider3_ValueChanged" />
<dataInput:Label Height="15" HorizontalAlignment="Left" Margin="138,232,0,0" 
                    Name="label1" VerticalAlignment="Top" Width="100" />

public Slider()
{
    InitializeComponent();
    //赋值
    this.slider3.Value = 3; //设置默认值
}
/// <summary>
/// 值已改变事件
/// 【注意： slider3控件前台的 value不要设默认值，否则回引发异常，但可以在后台设值】
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void slider3_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
{
    //方式一
    //this.label1.Content = this.slider3.Value.ToString();  //这种方式也可以，但不建议使用
    //方式二
    double newValue = e.NewValue;   //新值
    double oldValue = e.OldValue;   //旧值
    this.label1.Content = e.NewValue.ToString();    //建议使用这种方式
            
}