In below sample code i want to change a tip for RectangularCallout but it is not working
how to change a tip point for this shape
Shape polygonShape = worksheet.Shapes.AddAutoShape(AutoShapeType.RectangularCallout, 0, …...Text = fnote; // Apply uniform font size and color foreach (TextParagraph...TextParagraphs) { para.Font.Name = "Meiryo UI"; para.Font.DoubleSize =...