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, …...assignment_X_Value = 1 / chartWidth; double diff_fpoint_to_task = fpointday_px...chartX; double actual_position_x = diff_fpoint_to_task * assignment_X_Value;...