GetLastError PROC   (MS-Windows)

   Gets the calling thread's last error code.
   Functions set this value by calling SetLastError.
   Each function description lists the error codes which can be returned.
   Typical failure codes are FALSE, NULL, and -1 (0FFFFFFFFh).
   A complete list of error codes are in the SDK header file WINERROR.h.

GetLastError PROTO  ; get last error code

Returns: (DWORD) EAX = Last error code.