using GrapeCity.ActiveReports.Document.Section.Annotations;   
   
private void AddAnnotations()   
{   
    rptAnno rpt = new rptAnno();   
    rpt.Run();   
    this.viewer1.Document = rpt.Document;   
   
    AnnotationLine line = new AnnotationLine();   
    line.ArrowCapWidth = 4.5f;   
    line.ArrowCapHeight = 4.5f;   
    line.DashStyle = System.Drawing.Drawing2D.DashStyle.DashDotDot;   
    line.DashCap = System.Drawing.Drawing2D.DashCap.Round;   
    line.ShowArrowCaps = AnnotationLine.ShowArrowCap.RightOnly;   
    line.FillArrowCaps = true;   
    line.LineColor = Color.Red;   
    line.LineWidth = 1;   
    line.LineLocation = AnnotationLine.LinePlacement.Bottom;   
    line.Text = "レビューしてください。";   
    line.TextColor = Color.Blue;   
    line.TextAlignment = System.Drawing.StringAlignment.Center;   
    line.TextWidth = 1.2f; 
               
    line.Attach(4, 4);   
    this.viewer1.Document.Pages[0].Annotations.Add(line);   
   
    line.Height = 0.50f;   
    line.Width = 1.5f;   
}