how do i call my webform using methodAddress?

WEB TMS WEB Core
1

Hi , i have declared a published method at my webform ,

  
Type 
   TfmMyform = class(TWebform);

   published 
      procedure refresh_screen ;

   end ;

and then i assigned this form to one of the variable i declared at my Datamodule , 

Type
    TmyDM = class(TWebDataModule);

    public
       myform : TWebform;
       procedure call_formMethod;
   end ;

{...}

procedure TmyDM.call_formMethod;
var
  
  //PAddr: PProcMethod ;
  //Routine: TMethod;
  //Execute: TExecute;
begin
  // Routine.Data := Self.CurrentWebForm.MethodAddress('refresh_screen') ;
  //  Routine.Code := Instance.MethodAddress(Name);

  //please advice is it possible to call the procedure declared in my form 

end ;

Please advice , how can be make a call to our procedure by name in other 
form/datamodule ?

Thanks.
2

I'm not sure I understand your question.
When you have a reference to the form instance that has the method refresh_screen, why can you not directly call the method?