### Return Values for Message Win32 API Calls (Windows)

FormatMessage returns a value, of type DWORD, which contains the number of bytes actually stored in the output buffer, excluding the terminating null character. It returns 0 if an error has occurred. Extended error status is available via the GetLastError API.

Message Compiler - An Overview
Message Compiler - Syntax
Message WinAPI Calls
Parameters for Message Win32 API Calls
MKMSGF - Make Message File Utility
MKMSGF - Syntax