generate byte from rdlc

public class BarCode
    {
        public byte[] ImageFormat { get; set; }
    }

I've  right cliqued at solution ==>  new Item ==>  Report and name it report.rdlc.

So I woul like to pass the BarCode  Class or  BarCode.ImageFormat contains   to the rdlc template.

The rdlc template will  then draw the contains of  BarCode.ImageFormat (what is a bare code, so it will render it as image or as object)

 and finally returns the  rdlc contains as a bit array.

I will use the resulted bit array to save it as pdf.

How can we do this ?  Im using Visual Studio 2012 .Net 4.5

Regards