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, …...Apply uniform font size and color foreach (TextParagraph para...polygonTextSize; para.Font.Color = ColorTranslator.FromOle(ffontcolor);...