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   ► KBTo/From GuidesASP Classic  Print This     

Constructor (ASP Classic and PHP Cross Reference Guide)

By Mike Prestwood

ASP Classic versus PHP: A side by side comparison between ASP Classic and PHP.

 
OOP Details
 

More object oriented (OO) stuff.

Constructor

[Other Languages] 

General Info: Class Constructor

Constructors are called when you instantiate an object from a class. This is where you can initialize variables and put code you wish executed each time the class is created. When you initially set the member fields and properties of an object, you are initializing the state of the object. The state of an object is the values of all it's member fields and properties at a given time.

Languages Focus

What is the syntax? Can you overload constructors? Is a special method name reserved for constructors?

ASP Classic:  "Constructors" Class_Initialize

When an object instance is created from a class, ASP calls a special parameter-less sub named Class_Initialize. Since you cannot specify parameters for this sub, you also cannot overload it.

When a class is destroyed, ASP calls a special sub called Class_Terminate.

Syntax Example:
Class Cyborg
  Public CyborgName
 
 Public Sub Class_Initialize
   Response.Write "<br>Class created"
   CyborgName = "Cameron"
  End Sub 
End Class
[Not specified yet. Coming...]












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