upgrading application from windows2000 to windows XP

upgrading application from windows2000 to windows XP

• Shepherd

  XP must be 100% backward compatible for applications running in 2000, unless application code uses undocumented features and internal structures which are subject to change.
  

• wenxincao

  Thanks a lot for the clarification
  

• YoungEngineer

  Hello Martin and Alex,

  Thank you very much for your answers.

  I found in the code that the application checks for the operating system and if the OS is other than 2000/NT it aborts.

  Please find below that part of the code. In this case do I need to change any thing which will make the software to run even on Windows XP I have observed that the application runs on some PCs with XP and does not run on some other PCs with XP.

  The following is the code

  /*

  * Determine whether we're a Windows NT/2000 system and abort if we are not

  */

  memset(&osi, 0, sizeof(OSVERSIONINFO));

  osi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);

  if (GetVersionEx(&osi) && osi.dwPlatformId != VER_PLATFORM_WIN32_NT) {

  MessageBox(NULL,

  "This program is designed to work under Windows NT or 2000.\n"

  "Aborting.", "Controller", MB_ICONERROR | MB_OK);

  return 1;

  }

  Thanks a lot

  
  

• Chris Ghali

  If you want you can add a manifest for the COMCTL32.DLL in version 6.0 (available under XP) and you will have the look and feal of XP themes.

  See http://www.codeproject.com/w2k/xptheme.asp

  Adding a manifest will not effect the software for other platforms like W2K!

  
  
  

• CodeDigger

  This is from the docs:

  VER_PLATFORM_WIN32_NT is set for "Windows Server 2003, Windows XP, Windows 2000, or Windows NT."

  So this check must also succeed for XP!

  
  
  
• upgrading application from windows2000 to windows XP