Rave and the old preview...

Rave have since version 3 the same preview-form. Many users of Rave don't understand why it's not with a newer design available. 

First the BEX users have the complete source and on the other side (for BE-users and corporate-design-developers) you have with Delphi and Rave all the flexibility you need for your own preview in your application-form, with your look&feel.

In the following example you see how easy an own preview in your form is:

You must only insert a TScrollBox from Delphi and instead of the RvSystem the RvNDRWriter for the engine of your RvProject. To render the report into the scrollBox you need the RvRenderPreview-component from the Rave-register;

you can insert the componenta on your form or create on runtime:

      RvRenderPreview1: TRvRenderPreview;

    RvNDRWriter1: TRvNDRWriter;

    RvRenderPreview1 := TRvRenderPreview.Create(Self);

    RvNDRWriter1 := TRvNDRWriter.Create(Self);

Now you can show the report inside your application and don't need a special (old) form ...

procedure TForm1.Button2Click(Sender: TObject);

var

  MeinNDRStream: TMemoryStream;

begin

  MeinNDRStream := TMemoryStream.Create;

  RvProject1.Open;

  RvProject1.Engine := RvNDRWriter1;

  with RvNDRWriter1 do

  begin

    StreamMode := smUser;

    Stream := MeinNDRStream;

  end;

  RvProject1.Execute;

  // the report is now written into the TMemoryStream;

  // you can use the report for many things without regenerate

  // the report again!

  // e.g. preview, print and render into PDF/HTML or whatelse

  MeinNDRStream.Position := 0;

  with RvRenderPreview1 do

  begin

    ScrollBox := ScrollBox1;

    NDRStream := MeinNDRStream;

    Render;

  end;

 MeinNDRStream.Position := 0;

// here I use the report again for rendering into a pdf-file

// without regenerate it again ...  

  RvRenderPDF1.PrintRender(MeinNDRStream,'c:\hello_world.pdf');

  // with RenderPage you can define a page and only 

  // this page is   rendered:

  RvRenderpdf1.RenderPage(1);

end;

To navigate in your report you have the following possibilities:

  RvRenderPreview1.PrevPage;

  RvRenderPreview1.NextPage;

  RvRenderPreview1.LastPage := RvRenderPreview1.Pages;

  RvRenderPreview1.FirstPage := 0;

Here you get the total pages outside Rave:

    RvRenderPreview1.Pages