Оформил: DeeCo
Автор: http://www.swissdelphicenter.ch

procedure ChangeConst(const Constant; var Value; Size: Integer);
 begin
   Move((@Value)^, (@Constant)^, Size);
 end;

 // How to use ChangeConst: (Sample) 

const
   TestStrConst: string = 'This is a text sample';
   TestInteger: Integer = 4367;
 var
   NewString: string;
   NewInteger: Integer;
 begin
   // String Demo: 
  ShowMessage('Before ChangeStringConst (TestStrConst): ' + TestStrConst);
   NewString := 'New Value';
   ChangeConst(TestStrConst, NewString, SizeOf(string));
   ShowMessage('After ChangeStringConst (TestStrConst): ' + TestStrConst);
   // Integer Demo: 
  ShowMessage('Before ChangeStringConst (TestInteger): ' + IntToStr(TestInteger));
   NewInteger := 93534;
   ChangeConst(TestInteger, NewInteger, SizeOf(Integer));
   ShowMessage('After ChangeStringConst (TestInteger): ' + IntToStr(TestInteger));
 end;