title: intelliSense: cant open source file "d3dx11.h"
body: <p>Visual Studio 2010 shows error on a DirectX program, which is taken from a books source code.I am very new to DirectX programming. There is not any Microsoft DirectX SDK folder in my computers programs files(i'm using win 8.1). When i try to reinstall DirectX setup has determined that a newer or equivalent version of DirectX has been installed already. I dont khow what is the matter please help me.</p>