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

uses
   Consts;

 procedure TForm1.Button1Click(Sender: TObject);
 begin
   InputBox('Test', 'Enter something', 'Test');
 end;

 procedure HookResourceString(rs: PResStringRec; newStr: PChar);
 var
   oldprotect: DWORD;
 begin
   VirtualProtect(rs, SizeOf(rs^), PAGE_EXECUTE_READWRITE, @oldProtect);
   rs^.Identifier := Integer(newStr);
   VirtualProtect(rs, SizeOf(rs^), oldProtect, @oldProtect);
 end;

 const
   NewOK: PChar = 'New Ok';
   NewCancel: PChar = 'New Cancel';

 initialization
   HookResourceString(@SMsgDlgOK, NewOK);
   HookResourceString(@SMsgDlgCancel, NewCancel);
 end.