def write_from(col, row, col_offset, row_offset)
      @writer.tag_elements('xdr:from') do
        # Write the xdr:col element.
        write_col(col)
        # Write the xdr:colOff element.
        write_col_off(col_offset)
        # Write the xdr:row element.
        write_row(row)
        # Write the xdr:rowOff element.
        write_row_off(row_offset)
      end
    end
def write_from(col, row, col_offset, row_offset)
      @writer.tag_elements('xdr:from') do
        # Write the xdr:col element.
        write_col(col)
        # Write the xdr:colOff element.
        write_col_off(col_offset)
        # Write the xdr:row element.
        write_row(row)
        # Write the xdr:rowOff element.
        write_row_off(row_offset)
      end
    end
Write the <xdr:from> element.