What does #defining WIN32_LEAN_AND_MEAN exclude exactly?

Directly from the Windows.h header file: #ifndef WIN32_LEAN_AND_MEAN #include <cderr.h> #include <dde.h> #include <ddeml.h> #include <dlgs.h> #ifndef _MAC #include <lzexpand.h> #include <mmsystem.h> #include <nb30.h> #include <rpc.h> #endif #include <shellapi.h> #ifndef _MAC #include <winperf.h> #include <winsock.h> #endif #ifndef NOCRYPT #include <wincrypt.h> #include <winefs.h> #include <winscard.h> #endif #ifndef NOGDI #ifndef _MAC #include <winspool.h> #ifdef INC_OLE1 #include <ole.h> … Read more

What are the debug memory fill patterns in Visual Studio C++ and Windows?

This link has more information: https://en.wikipedia.org/wiki/Magic_number_(programming)#Debug_values * 0xABABABAB : Used by Microsoft’s HeapAlloc() to mark “no man’s land” guard bytes after allocated heap memory * 0xABADCAFE : A startup to this value to initialize all free memory to catch errant pointers * 0xBAADF00D : Used by Microsoft’s LocalAlloc(LMEM_FIXED) to mark uninitialised allocated heap memory * … Read more

What is “stdafx.h” used for in Visual Studio?

All C++ compilers have one serious performance problem to deal with. Compiling C++ code is a long, slow process. Compiling headers included on top of C++ files is a very long, slow process. Compiling the huge header structures that form part of Windows API and other large API libraries is a very, very long, slow … Read more

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