<Pagex:Class="XamlDemo.Controls.ScrollViewer.Demo"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:local="using:XamlDemo.Controls.ScrollViewer"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"mc:Ignorable="d"><Grid Background="Transparent"><StackPanel Margin="120 0 0 0"><TextBlock Name="lblMsg" /><!--ScrollViewer - 滚动视图控件Content - 滚动视图内的内容IsDeferredScrollingEnabled - 是否启用延迟滚动，在滚动内容过多时，启用延迟混动可以改善性能，默认值为 falseHorizontalScrollMode - 水平滚动条的行为方式，Windows.UI.Xaml.Controls.ScrollMode枚举（Disabled, Enabled, Auto）VerticalScrollMode - 垂直滚动条的行为方式HorizontalScrollBarVisibility - 水平滚动条的可见性，Windows.UI.Xaml.Controls.ScrollBarVisibility枚举（Disabled, Auto, Hidden, Visible）VerticalScrollBarVisibility - 垂直滚动条的可见性ViewChanged - 发生滚动时所触发的事件--><ScrollViewer Name="scrollViewer" Width="400" Height="400" Margin="0 10 0 0" HorizontalAlignment="Left"IsDeferredScrollingEnabled="False"ViewChanged="scrollViewer_ViewChanged_1"HorizontalScrollMode="Enabled" VerticalScrollMode="Enabled"HorizontalScrollBarVisibility="Visible" VerticalScrollBarVisibility="Visible"><ScrollViewer.Content><Image Source="/Assets/Logo.png" Width="1000" /></ScrollViewer.Content></ScrollViewer><StackPanel Orientation="Horizontal"><!--使 ScrollViewer 里的内容滚动到相对于 ScrollViewer 居中--><Button Content="居中" Click="Button_Click_1" /></StackPanel></StackPanel></Grid>
</Page>

/** ScrollViewer - 滚动视图控件* * 本例用于演示 ScrollViewer 的基本用法*/using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;namespace XamlDemo.Controls.ScrollViewer
{public sealed partial class Demo : Page{public Demo(){this.InitializeComponent();}private void scrollViewer_ViewChanged_1(object sender, ScrollViewerViewChangedEventArgs e){lblMsg.Text = "";/** ScrollViewer - 滚动视图控件*     ComputedHorizontalScrollBarVisibility - 当前水平滚动条的可见性，比如当 HorizontalScrollBarVisibility 设置为 Auton 时，可以通过 ComputedHorizontalScrollBarVisibility 来判断当前水平滚动条是否可见*     ComputedVerticalScrollBarVisibility - 当前垂直滚动条的可见性*     ExtentWidth - ScrollViewer 内的内容的宽*     ExtentHeight - ScrollViewer 内的内容的高*     ViewportWidth - 可视区的宽*     ViewportHeight - 可视区的高*     HorizontalOffset - 滚动内容的水平方向的偏移量*     VerticalOffset - 滚动内容的垂直方向的偏移量*     ScrollableWidth - 可滚动区域的水平方向的大小*     ScrollableHeight - 可滚动区域的垂直方向的大小*     *     ScrollToHorizontalOffset() - 滚动到指定的水平偏移位置*     ScrollToVerticalOffset() - 滚动到指定的垂直偏移位置*/lblMsg.Text += "ComputedHorizontalScrollBarVisibility: " + scrollViewer.ComputedHorizontalScrollBarVisibility;lblMsg.Text += "\r\n";lblMsg.Text += "ComputedVerticalScrollBarVisibility: " + scrollViewer.ComputedVerticalScrollBarVisibility;lblMsg.Text += "\r\n";lblMsg.Text += "ExtentWidth: " + scrollViewer.ExtentWidth;lblMsg.Text += "\r\n";lblMsg.Text += "ExtentHeight: " + scrollViewer.ExtentHeight;lblMsg.Text += "\r\n";lblMsg.Text += "ViewportWidth: " + scrollViewer.ViewportWidth;lblMsg.Text += "\r\n";lblMsg.Text += "ViewportHeight: " + scrollViewer.ViewportHeight;lblMsg.Text += "\r\n";lblMsg.Text += "HorizontalOffset: " + scrollViewer.HorizontalOffset;lblMsg.Text += "\r\n";lblMsg.Text += "VerticalOffset: " + scrollViewer.VerticalOffset;lblMsg.Text += "\r\n";lblMsg.Text += "ScrollableWidth: " + scrollViewer.ScrollableWidth;lblMsg.Text += "\r\n";lblMsg.Text += "ScrollableHeight: " + scrollViewer.ScrollableHeight;lblMsg.Text += "\r\n";}private void Button_Click_1(object sender, RoutedEventArgs e){scrollViewer.ScrollToHorizontalOffset(scrollViewer.ScrollableWidth / 2);scrollViewer.ScrollToVerticalOffset(scrollViewer.ScrollableHeight / 2);}}
}

<Pagex:Class="XamlDemo.Controls.ScrollViewer.ScrollBarDemo"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:local="using:XamlDemo.Controls.ScrollViewer"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"mc:Ignorable="d"><Grid Background="Transparent"><StackPanel Margin="120,0,0,0"><TextBlock Name="lblMsg" FontSize="14.667" HorizontalAlignment="Left" /><ScrollViewer Name="scrollViewer" Width="400" Height="200" HorizontalAlignment="Left"><Image Source="/Assets/Logo.png" Width="1000" /></ScrollViewer></StackPanel></Grid>
</Page>

/** ScrollBar - 滚动条控件* * 本例通过访问 ScrollViewer 内的名为 VerticalScrollBar 的 ScrollBar 控件，来简要说明 ScrollBar 控件*/using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using XamlDemo.Common;namespace XamlDemo.Controls.ScrollViewer
{public sealed partial class ScrollBarDemo : Page{public ScrollBarDemo(){this.InitializeComponent();this.Loaded += ScrollBarDemo_Loaded;}void ScrollBarDemo_Loaded(object sender, RoutedEventArgs e){// 找到 ScrollViewer 内的名为 VerticalScrollBar 的 ScrollBar 控件，即 ScrollViewer 内的垂直滚动条var scrollBar = Helper.GetVisualChild<ScrollBar>(scrollViewer, "VerticalScrollBar");// ValueChanged - 当滚动条的值发生改变是所触发的事件scrollBar.ValueChanged += scrollBar_ValueChanged;}void scrollBar_ValueChanged(object sender, RangeBaseValueChangedEventArgs e){// 显示垂直滚动条的当前值lblMsg.Text = e.NewValue.ToString();}}
}

<Pagex:Class="XamlDemo.Controls.ScrollViewer.ScrollContentPresenterDemo"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:local="using:XamlDemo.Controls.ScrollViewer"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"mc:Ignorable="d"><Grid Background="Transparent"><StackPanel Margin="120 0 0 0"><ScrollViewer Name="scrollViewer" Width="400" Height="400" Background="Blue" HorizontalAlignment="Left"HorizontalScrollMode="Enabled" VerticalScrollMode="Enabled"HorizontalScrollBarVisibility="Visible" VerticalScrollBarVisibility="Visible"><ScrollViewer.Content><Image Source="/Assets/Logo.png" Width="1000" /></ScrollViewer.Content></ScrollViewer></StackPanel></Grid>
</Page>

/** ScrollContentPresenter - ScrollViewer 的内容呈现器（类似的有 ContentPresenter, ItemsPresenter）* * ScrollContentPresenter 用来呈现 ScrollViewer 的 Content*/using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using XamlDemo.Common;namespace XamlDemo.Controls.ScrollViewer
{public sealed partial class ScrollContentPresenterDemo : Page{public ScrollContentPresenterDemo(){this.InitializeComponent();this.Loaded += ScrollContentPresenterDemo_Loaded;}void ScrollContentPresenterDemo_Loaded(object sender, RoutedEventArgs e){// 找到 ScrollViewer 内的名为 ScrollContentPresenter 的 ScrollContentPresenter 控件var scrollContentPresenter = Helper.GetVisualChild<ScrollContentPresenter>(scrollViewer, "ScrollContentPresenter");scrollContentPresenter.Margin = new Thickness(100);}}
}