Coder's Guild Mailing List

Re: Delphi: Difficulty With Threads

Posted by John Ferguson on 1999-03-12

Vincent wrote:
   Whenever I compile I get the error;

   [Error] readthread.pas(45): This form of method call only allowed for class
   methods

   for this line;

        TForm1.ReadPort(nil);

************************************************************
The problem with this line is that TForm1 is a class definition, not an
instantiated variable. Try accessing this function with Form1.ReadPort(nil)
instead.


Vincent wrote:
   I will change it to;

        ReadPort(nil);

   But then I get the error;

   [Error] readthread.pas(45): Undeclared identifier: 'ReadPort'

************************************************************
The problem with this line is that ReadPort is out of scope. The only time you
can call a method like this is within the class itself.

JOHNF

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