: Calling this function adds a specified directory to the search path for subsequent calls to LoadLibrary and LoadLibraryEx .
SetDllDirectoryA function (winbase.h) - Win32 - Microsoft Learn Set Dll Directory C
: Each call replaces any directory specified by a previous SetDllDirectory call. It does not support adding multiple directories; for that, developers should use AddDllDirectory . : Calling this function adds a specified directory
: Passing NULL to the function restores the default system search path and re-enables "Safe DLL Search Mode". Set Dll Directory C
: Passing an empty string ( "" ) removes the current working directory from the search path, which is a common security hardening practice. Pros and Cons