code: private String createString(String f)
      {
          return
              "srcXInBytes="+srcXInBytes+f+
              "srcY="+srcY+f+
              "srcMemoryType="+CUmemorytype.stringFor(srcMemoryType)+f+
              "srcHost ="+srcHost +f+
              "srcDevice ="+srcDevice +f+
              "srcArray ="+srcArray +f+
              "srcPitch="+srcPitch+f+
              "dstXInBytes="+dstXInBytes+f+
              "dstY="+dstY+f+
              "dstMemoryType="+CUmemorytype.stringFor(dstMemoryType)+f+
              "dstHost ="+dstHost +f+
              "dstDevice ="+dstDevice +f+
              "dstArray ="+dstArray +f+
              "dstPitch="+dstPitch+f+
              "WidthInBytes="+WidthInBytes+f+
              "Height="+Height;
      }
docs: Creates and returns a string representation of this object,
  using the given separator for the fields
  
  @param f Separator
  @return A String representation of this object