User define data type & try catch statement....

User define data type (Record data type):
                                                                              To declare group of variables of different data types but reference/accessed by a common name.

Declaring Structure:
                                     Structure structure_name List of variables (elements of structure) ....... end of structure.

Accessing structure elements:
                                                        Dim structure_variable_name as structure_name.

structure_variable_name.element_name=Information

Runtime errors (Excepting handling)

Try_catch statment:
                                     Try
                                          statement expected to hove errors during program execution.
                                      Catch
                                  Expection_variable_name as execption_name
                                  statements to be executed in case of error.....
                            Finally
                                     statements
                   End_Try.