我只想滚动到我的正则结果。我注意到,如果我只使用SELECT或仅使用ChangeView,则没有错误(但也没有结果(。
private void showrez()
{
if (head != null)
{
ContentBox.Focus(FocusState.Programmatic);
ContentBox.Select(head.Index, head.Length);
var r = ContentBox.GetRectFromCharacterIndex(ContentBox.SelectionStart, false);
var grid = VisualTreeHelper.GetChild(ContentBox, 0);
for (var i = 0; i < VisualTreeHelper.GetChildrenCount(grid); i++)
{
object obj = VisualTreeHelper.GetChild(grid, i);
if (obj is ScrollViewer)
{
((ScrollViewer)obj).ChangeView(r.Left, r.Top, null);
break;
}
}
}
}
编辑:
我刚刚检查了这项工作,没有错误,但是使用的方法已过时。
private void showrez()
{
if (head != null)
{
ContentBox.Focus(FocusState.Programmatic);
ContentBox.Select(head.Index, head.Length);
var r = ContentBox.GetRectFromCharacterIndex(ContentBox.SelectionStart, false);
var grid = VisualTreeHelper.GetChild(ContentBox, 0);
for (var i = 0; i < VisualTreeHelper.GetChildrenCount(grid); i++)
{
object obj = VisualTreeHelper.GetChild(grid, i);
if (obj is ScrollViewer)
{
//((ScrollViewer)obj).ChangeView(r.Left, r.Top, null);
((ScrollViewer)obj).ScrollToVerticalOffset(r.Top);
((ScrollViewer)obj).ScrollToHorizontalOffset(r.Left);
break;
}
}
}
}
当我们使用ChangeView(IReference<Double>, IReference<Double>, IReference<Single>)
方法时,它默认情况下启用了滚动动画。请尝试使用ChangeView(IReference<Double>, IReference<Double>, IReference<Single>, Boolean)
,我们应该能够在更改视图时设置为" true" the zoom/pan动画。默认值为false。
敌人示例:
((ScrollViewer)obj).ChangeView(r.Left, r.Top, null,true);