[DUG] basic question

[ani chakra]

Yes, I got confused too and bit surprised to see why Delphi allowed me to do
this :)

Thanks
Ani

On 7/25/07, Myles Penlington <myles at ams.co.nz> wrote:
>
>  Yes you can do this. In this case the Self pointer is nil, and any
> reference to any property on the from B will give a AV, but if no references
> to class instance properties, then in effect you have a class function.
>
>
>
> Is not very good programming. Does not really make sense unless you want
> to confuse someone!
>
>
>
> Myles.
>
>
>
> *From:* delphi-bounces at delphi.org.nz [mailto:delphi-bounces at delphi.org.nz]
> *On Behalf Of *ani chakra
> *Sent:* Wednesday, 25 July 2007 02:58
> *To:* delphi at delphi.org.nz
> *Subject:* [DUG] basic question
>
>
>
> Hi,
>
> Is it possible to call a method of a class without creating a object of
> it, even if the method is not a class function in Delphi ? I wrote the below
> code just to test -
>
> 1. Created a simple form A and a button on it.
> 2. Created another simple form B, written a procedure in it as -
>     FormB.Execute;
>     begin
>       ShowMessage("xyz");
>     end;
> 3. Commented out auto creation of FormB in application.
> 4. On Button Click in FormA I called the Execute of FormB and it worked
> perfectly okay.
>
> What could be the reason for this? I had the idea that either I need to
> create an object before calling any method or I need to declare a class
> function.
>
> In the above steps when I am trying to call Show in Execute function of
> Form B I got Access violation which is perfectly fine according to the above
> statement.
>
> May be I am missing something simple here, but any pointers will be great.
> This was done in D2005 and it's win32 app.
>
> Thanks
> -Ani
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