private void ClearContentElement()
{
if (_textViewHost != null)
{
_textViewHost.DetachView();
_textViewHost = null;
}
}
private void InitializeContentElement()
{
_textViewHost = GetContentHost(_contentElement);
if (_textViewHost != null)
{
TextBoxView view = CreateView();
_textViewHost.AttachView(view);
}
}
// Constructor.
internal TextBoxView(ITextBoxViewHost host)
{
Invariant.Assert(host is Control);
_host = host;
}
// Token: 0x06004135 RID: 16693 RVA: 0x0012A278 File Offset: 0x00128478
internal TextBoxLineDrawingVisual CreateVisual(Geometry selectionGeometry)
{
TextBoxLineDrawingVisual textBoxLineDrawingVisual = new TextBoxLineDrawingVisual();
double x = this.CalculateXOffsetShift();
DrawingContext drawingContext = textBoxLineDrawingVisual.RenderOpen();
if (selectionGeometry != null)
{
TextBoxView owner = this._owner;
FrameworkElement frameworkElement;
if (owner == null)
{
frameworkElement = null;
}
else
{
ITextBoxViewHost host = owner.Host;
if (host == null)
{
frameworkElement = null;
}
else
{
ITextContainer textContainer = host.TextContainer;
if (textContainer == null)
{
frameworkElement = null;
}
else
{
ITextSelection textSelection = textContainer.TextSelection;
if (textSelection == null)
{
frameworkElement = null;
}
else
{
TextEditor textEditor = textSelection.TextEditor;
frameworkElement = ((textEditor != null) ? textEditor.UiScope : null);
}
}
}
}
FrameworkElement frameworkElement2 = frameworkElement;
if (frameworkElement2 != null)
{
Brush brush = frameworkElement2.GetValue(TextBoxBase.SelectionBrushProperty) as Brush;
if (brush != null)
{
double opacity = (double)frameworkElement2.GetValue(TextBoxBase.SelectionOpacityProperty);
drawingContext.PushOpacity(opacity);
drawingContext.DrawGeometry(brush, new Pen
{
Brush = brush
}, selectionGeometry);
drawingContext.Pop();
}
}
}
this._line.Draw(drawingContext, new Point(x, 0.0), (this._lineProperties.FlowDirection == FlowDirection.RightToLeft) ? InvertAxes.Horizontal : InvertAxes.None);
drawingContext.Close();
return(textBoxLineDrawingVisual);
}
