Page 4 - revision
P. 4
Orouba Language Schools Third Preparatory
Computer Department Second Term 2017/2018
Logic Error It happens when we get incorrect results after executing the program
because of the wrong formulating arithmetic or logic expressions.
errors are discovered while running the program, Ex; when declaring a
variable of type Byte and during the program running, a value less
Runtime Error than (0) or greater than (255) is entered, so an error appears during
the run, meaning that the value is out of range.
& Concatenation Operator; it is used to join or concatenate two sting
variables.
Vbcrlf It is a reserved word that is used to create a New Line
Me Vbcrlf = visual Basic Carriage Return Line Feed
The word that express the Current Form
symbol (_) It uses to write one long line of code in many lines.
REM to add comments
( ' ) Apostrophe
F5 To run the program (Start Debugging)
Specify the Scope of Declaration for Variables and Constants
Local When declaring a Variable or Constant in an Event procedure it can’t
be used out of scope of the event procedure
Global When declaring a Variable or Constant on the level of the public
(Class), So we don’t need the declaration process at each scope of the
Event procedure.
Final Revision 4