private void OnVisualAncestorChanged(object sender, EventArgs e) { if (!ancestor.IsAncestorOf(Visual)) { Dispose(); } }
// ------------------------------------------------------------------ // Dump paragraph offset. // ------------------------------------------------------------------ private static Visual DumpParagraphOffset(XmlTextWriter writer, ParagraphResult paragraph, Visual visualParent) { Type paragraphResultType = paragraph.GetType(); System.Reflection.FieldInfo field = paragraphResultType.GetField("_paraClient", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic); object paraClient = field.GetValue(paragraph); Type paraClientType = paraClient.GetType(); System.Reflection.PropertyInfo prop = paraClientType.GetProperty("Visual", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic); Visual visual = (Visual)prop.GetValue(paraClient, null); // Dump transform relative to its parent if(visualParent.IsAncestorOf(visual)) { GeneralTransform g = visual.TransformToAncestor(visualParent); Point point = new Point(0.0f, 0.0f); g.TryTransform(point, out point); if (point.X != 0 || point.Y != 0) { DumpPoint(writer, "Origin", point); } } return visual; }