65 строки
2.2 KiB
C#
65 строки
2.2 KiB
C#
using Xamarin.Forms.CustomAttributes;
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using Xamarin.Forms.Internals;
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namespace Xamarin.Forms.Controls
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{
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[Preserve (AllMembers = true)]
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[Issue (IssueTracker.None, 0, "ScrollView out of bounds", PlatformAffected.All)]
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public class ScrollViewOutOfBounds : ContentPage
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{
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public ScrollViewOutOfBounds ()
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{
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var header = new Label {
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Text = "ScrollView",
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#pragma warning disable 618
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Font = Font.SystemFontOfSize (50, FontAttributes.Bold),
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#pragma warning restore 618
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HorizontalOptions = LayoutOptions.Center
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};
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var scrollView = new ScrollView {
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VerticalOptions = LayoutOptions.FillAndExpand,
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Content = new Label {
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Text = "Sometimes page content fits entirely on " +
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"the page. That's very convenient. But " +
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"on many occasions, the content of the page " +
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"is much too large for the page, or only " +
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"becomes available at runtime." +
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"\n\n" +
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"For cases such as these, the ScrollView " +
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"provides a solution. Simply set its " +
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"Content property to your content \u2014 in this " +
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"case a Label but in the general case very " +
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"likely a Layout derivative with multiple " +
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"children \u2014 and the ScrollView provides " +
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"scrolling with the distinctive look and touch " +
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"familiar to the user." +
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"\n\n" +
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"The ScrollView is also capable of " +
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"horizontal scrolling, and while that's " +
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"usually not as common as vertical scrolling, " +
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"sometimes it comes in handy." +
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"\n\n" +
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"Most often, the content of a ScrollView is " +
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"a StackLayout. Whenever you're using a " +
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"StackLayout with a number of items determined " +
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"only at runtime, you should probably put it in " +
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"a StackLayout just to be sure your stuff doesn't " +
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"go running off the bottom of the screen.",
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#pragma warning disable 618
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Font = Font.SystemFontOfSize (NamedSize.Large)
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#pragma warning restore 618
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}
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};
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// Build the page.
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Content = new StackLayout {
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Children = {
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header,
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scrollView
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}
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};
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}
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}
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}
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