RE: Creating Objects using strings

The problem is that at the point just before creation the code doesn't
explicitly know what class is to be created. So I cannot have a
variable in the routine for every possible class.

I will have a look at the chapter thanks.

Cheers

Luke

--- In [email protected], "Marcelo Mrack"
<mrack@u...> wrote:
> This aproach is very good. But, the best way to create objects is
> First) Create objects directly
> ex.:
> var
>      c: TMyClass;
> begin
>     c: = TMyClass.Create;
> Second) Use Interfaces, like your code, but using Classes and
Interfaces (see IntfForm, chapter 12 of Mastering Delphi 6 by Cantú)
> -----Original Message-----
> From: Luke Young [mailto:luke.young@l...] 
> Sent: terça-feira, 12 de agosto de 2003 10:40
> To: [email protected]
> Subject: [Delphi] Creating Objects using strings
> 
> 
> 
> 	The problem:
> 	
> 	I want to create an object of a class that has its class name stored
> 	as a string.
> 	
> 	Currently I do this by using
> 	
> 	initialization
> 	  RegisterClass(TMyClassName);
> 	
> 	and then in the routine I use
> 	
> 	tmpClass := FindClass(strClass);
> 	tmpObject := TControlClass(tmpClass).Create(Self); { All classes are
> 	TControlClass based }
> 	
> 	Is there a better way of doing this? I am wondering if Registering the
> 	class has any penalty? or is this the way to go?
> 	
> 	Cheers
> 	
> 	Luke
> 	
> 	
> 	
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