public MainPage()
{
this.InitializeComponent();
ITextSelection selection = PATH_RICH_EDIT_BOX.Document.Selection;
selection.StartPosition = 0;
selection.EndPosition = 0;
originPoint = new Point();
selection.GetPoint(HorizontalCharacterAlignment.Left, VerticalCharacterAlignment.Baseline, PointOptions.Start, out originPoint);
// PATH_RICH_EDIT_BOX.Document.CaretType
}
private void ChangeButton_Click(object sender, RoutedEventArgs e)
{
Point point = new Point();
ITextSelection selection = PATH_RICH_EDIT_BOX.Document.Selection;
var sta = selection.StartPosition;
var en = selection.EndPosition;
selection.GetPoint(HorizontalCharacterAlignment.Left, VerticalCharacterAlignment.Baseline, PointOptions.Start, out point);
point = new Point(originPoint.X, point.Y);
var pgformat = selection.ParagraphFormat;
// pgformat.ListStyle = MarkerStyle.Plain;
selection.SetPoint(point, PointOptions.Start, false);
var start = selection.StartPosition;
var end = selection.EndPosition;
PATH_RICH_EDIT_BOX.Document.Selection.SetRange(start, end + 1);
PATH_RICH_EDIT_BOX.Focus(FocusState.Pointer);
//var oldActualHeight = PATH_RICH_EDIT_BOX.ActualHeight;
//while (PATH_RICH_EDIT_BOX.ActualHeight <= oldActualHeight)
//{
// PATH_RICH_EDIT_BOX.Document.GetText(Windows.UI.Text.TextGetOptions.None, out string a);
// PATH_RICH_EDIT_BOX.Document.SetText(Windows.UI.Text.TextSetOptions.None, a + "\r");
//}
//string tem = "";
//PATH_RICH_EDIT_BOX.Document.GetText(TextGetOptions.None, out tem);
//var endpost = tem.Length - 1;
//PATH_RICH_EDIT_BOX.Document.Selection.SetRange(endpost, endpost);
//PATH_RICH_EDIT_BOX.Focus(FocusState.Keyboard);
// Point point = new Point();
// ITextSelection selection = PATH_RICH_EDIT_BOX.Document.Selection;
// selection.StartPosition = 0;
// selection.GetPoint(HorizontalCharacterAlignment.Left, VerticalCharacterAlignment.Baseline, PointOptions.Start, out point);
// selection.ScrollIntoView(PointOptions.Start);
// var le = selection.Length;
// ITextParagraphFormat pgFormat = selection.ParagraphFormat;
// PATH_RICH_EDIT_BOX.Document.GetRange
//point = new Point(60, point.Y);
// selection.SetPoint(point, PointOptions.Start, false);
// var ps = selection.StartPosition;
// PATH_RICH_EDIT_BOX.Document.Selection.SetRange(ps, ps);
// PATH_RICH_EDIT_BOX.Focus(FocusState.Programmatic);
// selection.Options = SelectionOptions.AtEndOfLine;
//PATH_RICH_EDIT_BOX.Document.Selection.SetRange(pgFormat.ListStart, pgFormat.ListStart);
//PATH_RICH_EDIT_BOX.Focus(FocusState.Keyboard);
// pgFormat.ListType = MarkerType.Arabic;
// pgFormat.RightToLeft = FormatEffect.On;
// PATH_RICH_EDIT_BOX.Document.SetDefaultParagraphFormat(pgFormat);
//var op = selection.Options;
// var ps = selection.EndPosition;
// var p = selection.StartPosition;
//ITextParagraphFormat paragraphFormatting = selection.ParagraphFormat;
//paragraphFormatting.ListType = MarkerType.Arabic;
//selection.ParagraphFormat = paragraphFormatting;
//var le = selection.Length;
//Point point = new Point();
//selection.GetPoint(HorizontalCharacterAlignment.Left, VerticalCharacterAlignment.Baseline, PointOptions.Start, out point);
}