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   ► KBTo/From GuidesDelphi Prism  Print This     

Member Modifier (Delphi Prism and ASP Classic Cross Reference Guide)

By Mike Prestwood

Delphi Prism versus ASP Classic: A side by side comparison between Delphi Prism and ASP Classic.

 
OOP Basics
 

Some languages support object-based concepts such as Paradox, Access, and VB Classic. Other languages have OO extensions and fully support object orientation in a hybrid fashion (such as C++ and Dephi for Win32). Finally, some lanages such as C#, VB.Net, Prism, and Java are entirely written in OO. Meaning, every line of code written must occur within a class).

Member Modifier

[Other Languages] 

Languages Focus

Traditional private, protected, public, etc. member modifiers are documented under the member visibility topic of the Cross Reference Encyclopedia. With member modifiers here, we address additional member modifiers such as method and field modifiers.

Delphi Prism:  "Member Modifiers"

Prism supports a full suite of member modifiers. Prism virtuality modifiers are virtual, override, final, and reintroduce.

Prism general modifiers are abstract, empty, async, external, locked, unsafe, implements, and iterator.

Not all member types support all member modifiers. For example, member fields support only readonly and implements.

Syntax Example:
Cyborg = public class(System.Object)
public
  method Speak(pMessage: String); virtual;
end;
 
Series888 = public class(Cyborg)
public
  method Speak(pMessage: String); override;
end;
ASP Classic:  "Member Modifiers" Default

Other than visibility modifiers Public and Private, the only other member modifier available in ASP Classic is Default which is used only with the Public keyword in a class block. It indicates that the sub, function, or property is the default method for the class. You can have only one Default per class.

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