using  System;

using  iTextSharp.text;

using  iTextSharp.text.pdf;

using  System.IO;

public   class  form_checkbox

{

    

    

    [STAThread]

     public   static   void   Main( string [] args)

    {

        Document document  =   new  Document(PageSize.A4,  50 ,  50 ,  50 ,  50 );

         try

        {

             //  creation of the different writers

            PdfWriter writer  =  PdfWriter.GetInstance(document,  new  FileStream( @" e:\java\form_checkbox.Pdf " , FileMode.Create));

            

            document.Open();

            PdfContentByte cb  =  writer.DirectContent;

            cb.MoveTo( 0 ,  0 );

            PdfFormField field  =  PdfFormField.CreateCheckBox(writer);

            PdfAppearance tpOff  =  cb.CreateAppearance( 20 ,  20 );

            PdfAppearance tpOn  =  cb.CreateAppearance( 20 ,  20 );

            tpOff.Rectangle( 1 ,  1 ,  18 ,  18 );

            tpOff.Stroke();

            

            tpOn.SetRGBColorFill( 255 ,  128 ,  128 );

            tpOn.Rectangle( 1 ,  1 ,  18 ,  18 );

            tpOn.FillStroke();

            tpOn.MoveTo( 1 ,  1 );

            tpOn.LineTo( 19 ,  19 );

            tpOn.MoveTo( 1 ,  19 );

            tpOn.LineTo( 19 ,  1 );

            tpOn.Stroke();

            

            field.SetWidget( new  Rectangle( 100 ,  700 ,  120 ,  720 ), PdfAnnotation.HIGHLIGHT_INVERT);

            field.FieldName = ( " Urgent " );

            field.ValueAsName = ( " Off " );

            field.AppearanceState = ( " Off " );

            field.SetAppearance(PdfAnnotation.APPEARANCE_NORMAL,  " Off " , tpOff);

            field.SetAppearance(PdfAnnotation.APPEARANCE_NORMAL,  " On " , tpOn);

            writer.AddAnnotation(field);

            document.Close();

            System.Console.Out.WriteLine( " FIM. " );

        }

         catch  (System.Exception de)

        {

            System.Console.Error.WriteLine(de.Message);

        }

    }

}