The example code below is directly from our FREE CORE HL7 Viewer software and is called when the user clicks the Help->About menu option.

IMPORTANT PROGRAMMING NOTE: As you will notice from the code below you use the RTFBuilder class to build a document / report from TOP to BOTTOM. There are no Rewind, or Insert methods. You CAN however use multiple RTFBuilder objects to create parts of a document / report which you then assemble into a complete document. In the code below for example we could have used 1 RTFBuilder to create the Report Header, another to create the Report Body, and a 3rd to create the Report Footer, and then used a 4th RTFBuilder to assemble the 3 parts into 1 whole document using the AddRTF() method.

       private void VMenuAboutUs_Click(object sender, EventArgs e)

       {

          try

           {

               RTFBuilder rb = new RTFBuilder();

               rb.FontName = "Segoe UI";

               rb.TextColor = Color.Blue;

               rb.FontSize = 14;

               rb.Indent = 10;

               rb.RightIndent = 10;

               rb.Alignment = HorizontalAlignment.Center;

               rb.StyleFont = FontStyle.Bold;

               rb.AddLine("CORE HL7 Viewer");

               rb.TextColor = Color.Black;

               rb.StyleFont = FontStyle.Regular;

               rb.FontSize = 10;

               rb.AddLine("Version " + Application.ProductVersion);

               rb.Alignment = HorizontalAlignment.Left;

               rb.AddLines(2);

              string sBuff = "The ";

               rb.AddText(sBuff);

               rb.TextColor = Color.Blue;

               sBuff = "CORE HL7 Viewer";

               rb.AddText(sBuff);

               rb.TextColor = Color.Black;

               sBuff = " is the ultimate in practical, functional, and affordable HL7 (Health Level Seven) utility software. " +

              "We provide you with a host of features for viewing and dispatching HL7 messages which you " +

              "would expect to find only in commercial products. As part of the ";

               rb.AddText(sBuff);

               rb.StyleFont = FontStyle.Bold | FontStyle.Italic;

               sBuff = "UltraPort HL7";

               rb.AddText(sBuff);

               rb.StyleFont = FontStyle.Regular;

               sBuff = " product line created by HermeTech International this FREE software was designed to make " +

                  "understanding HL7 as easy as possible for HL7 novices and students while incorporating " +

                  "real-world functionality to appeal to the HL7 professional as well.";

               rb.AddLine(sBuff);

               rb.AddLine();

               sBuff = "HL7 veterans will appreciate the HTML message viewport with automatic hovering tooltips, the " +

                  "customizable display options with light and dark themes and automatic field highlighting as well " +

                  "as the built-in Hexadecimal HL7 message and file viewer.";

               rb.AddLine(sBuff);

               rb.AddLine();

               sBuff = "New to HL7? Check in the ";

               rb.AddText(sBuff);

               rb.StyleFont= FontStyle.Bold;

               rb.AddText("Tools");

               rb.StyleFont = FontStyle.Regular;

               sBuff = " menu for different examples of various HL7 data scenarios to play with.";

               rb.AddLine(sBuff);

               rb.AddLine();

               sBuff = "Visit our website to find other great HL7 software and tools and look for our FREE offerings in " +

                  "the Microsoft Store.";

               rb.AddLine(sBuff);

               rb.FontSize = 8;

               rb.AddLines(4);

               rb.RightIndent = 10;

               rb.Alignment = HorizontalAlignment.Right;

               rb.StyleFont = FontStyle.Regular;

               rb.AddLine("©" + DateTime.Now.Year.ToString() +

                  " TransWorld Scribes Ltd");

               rb.AddLine("HermeTech Intl is a division of TransWorld Scribes Ltd");

               rb.AddLine("Our Website: " + LPInternals.CompanyHomePage);

               rb.AddLine("Support: mailto:support@transworldscribe.com");

               Hide();

               FormResults.ShowRichTextReport(this, rb.RTF, "About the CORE HL7 Viewer", LPInternals.MainHelpURL);

               Show();

              return;

           }

          catch (Exception ex)

           {

               MouseOff();

               FormResults.ErrorMsgBox(ex.Message);

              return;

              throw;

           }

       }