DirectX FAQ
Q1:DirectX是什么?
A: DirectX，（Direct eXtension，简称DX）是由微软公司创建的多媒体编程接口。由C++编程语言实现，遵循COM。被广泛使用于Microsoft Windows、Microsoft XBOX、Microsoft XBOX 360和Microsoft XBOX ONE电子游戏开发，并且只能支持这些平台。最新版本为DirectX 12，创建在最新的Windows 8.1上。
Q2:DirectX最初的设计目的？
A:设计之初是为了弥补windows3.1对图形，声音处理的不足，后来发展成为提供硬件兼容的全套API.
Q3:API组成有哪些？
A: 由四部分组成，
显示部分：DirectDraw和Direct3D，统称为DirectGraphics;
声音部分：DirectSound;
输入部分：DirectInput;
网络部分：DirectPlay;
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