{"id":604,"date":"2020-01-26T21:37:50","date_gmt":"2020-01-26T12:37:50","guid":{"rendered":"http:\/\/marius.main.jp\/software\/blog\/?p=604"},"modified":"2021-03-14T05:39:38","modified_gmt":"2021-03-13T20:39:38","slug":"post-604","status":"publish","type":"post","link":"https:\/\/todosoft.net\/blog\/?p=604","title":{"rendered":"ScrollViewer\u306e\u30a2\u30f3\u30ab\u30fc\u3078\u30b9\u30af\u30ed\u30fc\u30eb\u3059\u308b"},"content":{"rendered":"\n

MainView.xaml<\/h2>\n\n\n\n
<Window x:Class=\"WpfApp27.View.MainView\"\n        xmlns=\"http:\/\/schemas.microsoft.com\/winfx\/2006\/xaml\/presentation\"\n        xmlns:x=\"http:\/\/schemas.microsoft.com\/winfx\/2006\/xaml\"\n        xmlns:d=\"http:\/\/schemas.microsoft.com\/expression\/blend\/2008\"\n        xmlns:mc=\"http:\/\/schemas.openxmlformats.org\/markup-compatibility\/2006\"\n        xmlns:i=\"http:\/\/schemas.microsoft.com\/xaml\/behaviors\"\n        xmlns:l=\"http:\/\/schemas.livet-mvvm.net\/2011\/wpf\"\n        xmlns:local=\"clr-namespace:WpfApp27.View\"\n        xmlns:vm=\"clr-namespace:WpfApp27.ViewModel\"\n        mc:Ignorable=\"d\"\n        Title=\"MainView\" Height=\"250\" Width=\"400\">\n\n    <Window.DataContext>\n        <vm:MainViewModel\/>\n    <\/Window.DataContext>\n\n    <Grid>\n        <Grid.ColumnDefinitions>\n            <ColumnDefinition Width=\"Auto\"\/>\n            <ColumnDefinition Width=\"*\"\/>\n        <\/Grid.ColumnDefinitions>\n\n        <StackPanel Grid.Column=\"0\">\n            <Button Content=\"Page1\u3078\">\n                <i:Interaction.Triggers>\n                    <i:EventTrigger EventName=\"Click\">\n                        <l:LivetCallMethodAction MethodTarget=\"{Binding}\" MethodName=\"ScrollToObject\" MethodParameter=\"{Binding ElementName=page1}\"\/>\n                    <\/i:EventTrigger>\n                <\/i:Interaction.Triggers>\n            <\/Button>\n            <Button Content=\"Page2\u3078\">\n                <i:Interaction.Triggers>\n                    <i:EventTrigger EventName=\"Click\">\n                        <l:LivetCallMethodAction MethodTarget=\"{Binding}\" MethodName=\"ScrollToObject\" MethodParameter=\"{Binding ElementName=page2}\"\/>\n                    <\/i:EventTrigger>\n                <\/i:Interaction.Triggers>\n            <\/Button>\n            <Button Content=\"Page3\u3078\">\n                <i:Interaction.Triggers>\n                    <i:EventTrigger EventName=\"Click\">\n                        <l:LivetCallMethodAction MethodTarget=\"{Binding}\" MethodName=\"ScrollToObject\" MethodParameter=\"{Binding ElementName=page3}\"\/>\n                    <\/i:EventTrigger>\n                <\/i:Interaction.Triggers>\n            <\/Button>\n        <\/StackPanel>\n\n        <ScrollViewer Grid.Column=\"1\">\n            <StackPanel>\n                <StackPanel.Resources>\n                    <Style TargetType=\"TextBlock\">\n                        <Setter Property=\"Margin\" Value=\"0,0,0,300\"\/>\n                    <\/Style>\n                <\/StackPanel.Resources>\n                \n                <TextBlock x:Name=\"page1\" Text=\"Page1\"\/>\n                <TextBlock x:Name=\"page2\" Text=\"Page2\"\/>\n                <TextBlock x:Name=\"page3\" Text=\"Page3\"\/>\n            <\/StackPanel>\n        <\/ScrollViewer>\n    <\/Grid>\n    \n<\/Window><\/code><\/pre>\n\n\n\n\n\n\n\n
MainView.xaml<\/h2>\n\n\n\n
using System.Windows;\nusing System.Windows.Controls;\nusing System.Windows.Media;\n\nnamespace WpfApp27.ViewModel\n{\n    public class MainViewModel : Livet.ViewModel\n    {\n        public void ScrollToObject(TextBlock ankerText)\n        {\n            double dblOffset = 0;\n            FrameworkElement frameworkElement = ankerText;\n\n            do\n            {\n                Vector vector = VisualTreeHelper.GetOffset(frameworkElement);\n                dblOffset += vector.Y;\n\n                frameworkElement = (FrameworkElement)frameworkElement.Parent;\n            } while (frameworkElement is ScrollViewer == false);\n\n            dblOffset += (frameworkElement as ScrollViewer).VerticalOffset;\n            (frameworkElement as ScrollViewer).ScrollToVerticalOffset(dblOffset);\n        }\n    }\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
MainView.xaml<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,20,15],"tags":[64],"class_list":["post-604","post","type-post","status-publish","format-standard","hentry","category-c","category-wpf","category-15","tag-scrollviewer"],"_links":{"self":[{"href":"https:\/\/todosoft.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/604","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/todosoft.net\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/todosoft.net\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/todosoft.net\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/todosoft.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=604"}],"version-history":[{"count":7,"href":"https:\/\/todosoft.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/604\/revisions"}],"predecessor-version":[{"id":774,"href":"https:\/\/todosoft.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/604\/revisions\/774"}],"wp:attachment":[{"href":"https:\/\/todosoft.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/todosoft.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/todosoft.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}