Expands to the name of the file that is being compiled.
THIS_FILE
The information is used by the ASSERT and VERIFY macros. The Application Wizard and code wizards place the macro in source code files they create.
#ifdef _DEBUG #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif // __FILE__ is one of the six predefined ANSI C macros that the // compiler recognizes.
Header: afx.h