43_host = host;

649double endOfParaGlyphWidth = ((Control)_host).FontSize * CaretElement.c_endOfParaMagicMultiplier; 700ITextPointer endOfLinePosition = _host.TextContainer.CreatePointerAtOffset(_lineMetrics[lineIndex].EndOffset, LogicalDirection.Backward); 740nextLinePosition = _host.TextContainer.CreatePointerAtOffset(_lineMetrics[lineIndex + linesMoved].Offset, LogicalDirection.Forward); 819else if (position.Offset == _host.TextContainer.SymbolCount && direction == LogicalDirection.Forward) 878ITextPointer nextCaretUnitPosition = _host.TextContainer.CreatePointerAtOffset(nextCharacterHit.FirstCharacterIndex + nextCharacterHit.TrailingLength, logicalDirection); 926ITextPointer backspaceUnitPosition = _host.TextContainer.CreatePointerAtOffset(backspaceCharacterHit.FirstCharacterIndex + backspaceCharacterHit.TrailingLength, logicalDirection); 941ITextPointer start = _host.TextContainer.CreatePointerAtOffset(_lineMetrics[lineIndex].Offset, LogicalDirection.Forward); 942ITextPointer end = _host.TextContainer.CreatePointerAtOffset(_lineMetrics[lineIndex].Offset + _lineMetrics[lineIndex].ContentLength, LogicalDirection.Forward); 1042if (position.TextContainer != _host.TextContainer) 1177((Control)_host).Unloaded -= OnHostUnloaded; 1180System.Diagnostics.Debug.Assert(_host != null && _host.TextContainer != null && _host.TextContainer.Highlights != null, 1183_host.TextContainer.Changing -= new EventHandler(OnTextContainerChanging); 1184_host.TextContainer.Change -= new TextContainerChangeEventHandler(OnTextContainerChange); 1185_host.TextContainer.Highlights.Changed -= new HighlightChangedEventHandler(OnHighlightChanged); 1205return _host; 1227return _host.TextContainer; 1264ITextPointer start = _host.TextContainer.CreatePointerAtOffset(_lineMetrics[0].Offset, LogicalDirection.Backward); 1265ITextPointer end = _host.TextContainer.CreatePointerAtOffset(_lineMetrics[_lineMetrics.Count - 1].EndOffset, LogicalDirection.Forward); 1355((Control)_host).Unloaded += OnHostUnloaded; 1357_host.TextContainer.Changing += new EventHandler(OnTextContainerChanging); 1358_host.TextContainer.Change += new TextContainerChangeEventHandler(OnTextContainerChange); 1359_host.TextContainer.Highlights.Changed += new HighlightChangedEventHandler(OnHighlightChanged); 1376TextProperties defaultTextProperties = new TextProperties((Control)_host, _host.IsTypographyDefaultValue); 1380return new LineProperties((Control)_host, (Control)_host, defaultTextProperties, null, this.CalculatedTextAlignment); 1516Control hostControl = (Control)_host; 1694Control hostControl = (Control)_host; 1722return _host.TextContainer.CreatePointerAtOffset(charIndex.FirstCharacterIndex + charIndex.TrailingLength, logicalDirection); 1830double endOfParaGlyphWidth = ((Control)_host).FontSize * CaretElement.c_endOfParaMagicMultiplier; 1835&& ((bool)((Control)_host).GetValue(TextBoxBase.IsInactiveSelectionHighlightEnabledProperty) 1836|| (bool)((Control)_host).GetValue(TextBoxBase.IsSelectionActiveProperty)); 1860var selection = _host.TextContainer.TextSelection; 1895int endOffset = Math.Min(range.StartIndex + range.PositionsAdded, _host.TextContainer.SymbolCount); 2016ITextPointer position = _host.TextContainer.CreatePointerAtOffset(unclippedStartOffset, LogicalDirection.Backward); 2061ITextPointer endOfLinePosition = _host.TextContainer.CreatePointerAtOffset(endOffset, LogicalDirection.Backward); 2112ITextPointer position = _host.TextContainer.CreatePointerAtOffset(unclippedStartOffset, LogicalDirection.Backward); 2140ITextPointer endOfLinePosition = _host.TextContainer.CreatePointerAtOffset(endOffset, LogicalDirection.Backward); 2208if ((ScrollBarVisibility)((Control)_host).GetValue(ScrollViewer.VerticalScrollBarVisibilityProperty) == ScrollBarVisibility.Auto) 2881return position.TextContainer == _host.TextContainer && 3004switch (((Control)_host).VerticalContentAlignment) 3040Control host = (Control)_host;