📄 general.html

📁 VC5.6.7的一个扩展库。跟DirectX的功能差不多。
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<HTML><HEAD><TITLE>General</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+"><LINKREL="HOME"TITLE="SDL Library Documentation"HREF="index.html"><LINKREL="UP"TITLE="SDL Reference"HREF="reference.html"><LINKREL="PREVIOUS"TITLE="SDL Reference"HREF="reference.html"><LINKREL="NEXT"TITLE="SDL_Init"HREF="sdlinit.html"><METANAME="KEYWORD"CONTENT="general"><METANAME="KEYWORD"CONTENT="function"></HEAD><BODYCLASS="CHAPTER"BGCOLOR="#FFF8DC"TEXT="#000000"LINK="#0000ee"VLINK="#551a8b"ALINK="#ff0000"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">SDL Library Documentation</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="reference.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom"></TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="sdlinit.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="CHAPTER"><H1><ANAME="GENERAL"></A>Chapter 5. General</H1><DIVCLASS="TOC"><DL><DT><B>Table of Contents</B></DT><DT><AHREF="sdlinit.html">SDL_Init</A>&nbsp;--&nbsp;Initializes SDL</DT><DT><AHREF="sdlinitsubsystem.html">SDL_InitSubSystem</A>&nbsp;--&nbsp;Initialize subsystems</DT><DT><AHREF="sdlquitsubsystem.html">SDL_QuitSubSystem</A>&nbsp;--&nbsp;Shut down a subsystem</DT><DT><AHREF="sdlquit.html">SDL_Quit</A>&nbsp;--&nbsp;Shut down SDL</DT><DT><AHREF="sdlwasinit.html">SDL_WasInit</A>&nbsp;--&nbsp;Check which subsystems are initialized</DT><DT><AHREF="sdlgeterror.html">SDL_GetError</A>&nbsp;--&nbsp;Get SDL error string</DT><DT><AHREF="sdlenvvars.html">SDL_envvars</A>&nbsp;--&nbsp;SDL environment variables</DT></DL></DIV><P>Before SDL can be used in a program it must be initialized with <AHREF="sdlinit.html"><TTCLASS="FUNCTION">SDL_Init</TT></A>. <TTCLASS="FUNCTION">SDL_Init</TT> initializes all the subsystems that the user requests (video, audio, joystick, timers and/or cdrom). Once SDL is initialized with <TTCLASS="FUNCTION">SDL_Init</TT> subsystems can be shut down and initialized as needed using <AHREF="sdlinitsubsystem.html"><TTCLASS="FUNCTION">SDL_InitSubSystem</TT></A> and <AHREF="sdlquitsubsystem.html"><TTCLASS="FUNCTION">SDL_QuitSubSystem</TT></A>.</P><P>SDL must also be shut down before the program exits to make sure it cleans up correctly. Calling <AHREF="sdlquit.html"><TTCLASS="FUNCTION">SDL_Quit</TT></A> shuts down all subsystems and frees any resources allocated to SDL.</P></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="reference.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="index.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="sdlinit.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">SDL Reference</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="reference.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">SDL_Init</TD></TR></TABLE></DIV></BODY></HTML>
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