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Compiler error message "Global members not allowed"

Posted on 2009-04-27
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Last Modified: 2013-11-23
Hello,

I am converting a BDS 2006 .Net windows service application to Delphi Prism.

When compiling the code I the message:  "Global members not allowed" for the declaration : "function GetDateFromDefault"

How should I solve this.  This unit contains a function (GetDateFromDefault) that is used by many units.

unit uDateDefaults;
interface
// This function will convert the default date value into an actual date
function GetDateFromDefault( const pDefault : string ; var ActualDate : DateTime ) : boolean ;
 
implementation
uses uDateUtils ;
 
function GetDateFromDefault( const pDefault : string ; var ActualDate : DateTime ) : boolean ;
  // This function will convert the default date value into an actual date
  var Default : string ;

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Question by:soozh
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Expert Comment

by:developmentguru
ID: 24242076
I ran into something similar.  I declared the global function as a public class function and embedded it into a class.  This makes the calling of the function a bit more clumsy, but you have to remember that Oxygene is truer to .NET than Delphi was.  Global functions are not allowed.

I used this technique to create a singleton object by returning a class for global use. If the class is not created it creates it.  Either way it returns it.

    class method Rights : UserRights;

you would need to include the namespace you use in the uses clause and refer to your method as ClassName.GetDateFromDefault

Let me know if you need more.
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Accepted Solution

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soozh earned 0 total points
ID: 24258002
The solution to this is to either "allow globals" in the project options... or to put everything in a class.  

I choose the project option and everything worked just fine.
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