这是一个D3D9在VC2005框架下的演示程序，用户可以在现有框架下进行扩展，写出自己需要的程序。程序需要DirectX9.0的支持，编译环境为VC8.0。-This is a fr a mework of D3D9 in VC2005 demo program, users can expand the existing fr a mework, the need to write their own procedures. Process requires the support of Di