📄 sdleventstate.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>SDL_EventState</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+"><LINKREL="HOME"TITLE="SDL Library Documentation"HREF="index.html"><LINKREL="UP"TITLE="Event Functions."HREF="eventfunctions.html"><LINKREL="PREVIOUS"TITLE="SDL_GetEventFilter"HREF="sdlgeteventfilter.html"><LINKREL="NEXT"TITLE="SDL_GetKeyState"HREF="sdlgetkeystate.html"></HEAD><BODYCLASS="REFENTRY"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="sdlgeteventfilter.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom"></TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="sdlgetkeystate.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><H1><ANAME="SDLEVENTSTATE"></A>SDL_EventState</H1><DIVCLASS="REFNAMEDIV"><ANAME="AEN5646"></A><H2>Name</H2>SDL_EventState&nbsp;--&nbsp;This function allows you to set the state of processing certain events.</DIV><DIVCLASS="REFSYNOPSISDIV"><ANAME="AEN5649"></A><H2>Synopsis</H2><DIVCLASS="FUNCSYNOPSIS"><ANAME="AEN5650"></A><P></P><PRECLASS="FUNCSYNOPSISINFO">#include "SDL.h"</PRE><P><CODE><CODECLASS="FUNCDEF">Uint8 <BCLASS="FSFUNC">SDL_EventState</B></CODE>(Uint8 type, int state);</CODE></P><P></P></DIV></DIV><DIVCLASS="REFSECT1"><ANAME="AEN5656"></A><H2>Description</H2><P>This function allows you to set the state of processing certain event <TTCLASS="PARAMETER"><I>type</I></TT>'s.</P><P>If <TTCLASS="PARAMETER"><I>state</I></TT> is set to <TTCLASS="LITERAL">SDL_IGNORE</TT>, that event <TTCLASS="PARAMETER"><I>type</I></TT> will be automatically dropped from the event queue and will not be filtered.</P><P>If <TTCLASS="PARAMETER"><I>state</I></TT> is set to <TTCLASS="LITERAL">SDL_ENABLE</TT>, that event <TTCLASS="PARAMETER"><I>type</I></TT> will be processed normally.</P><P>If <TTCLASS="PARAMETER"><I>state</I></TT> is set to <TTCLASS="LITERAL">SDL_QUERY</TT>,<TTCLASS="FUNCTION">SDL_EventState</TT> will return the current processing state of the specified event <TTCLASS="PARAMETER"><I>type</I></TT>.</P><P>A list of event <TTCLASS="PARAMETER"><I>type</I></TT>'s can be found in the <AHREF="sdlevent.html"><SPANCLASS="STRUCTNAME">SDL_Event</SPAN></A> section.</P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN5677"></A><H2>See Also</H2><P><AHREF="sdlevent.html"><SPANCLASS="STRUCTNAME">SDL_Event</SPAN></A></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="sdlgeteventfilter.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="sdlgetkeystate.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">SDL_GetEventFilter</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="eventfunctions.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">SDL_GetKeyState</TD></TR></TABLE></DIV></BODY></HTML>
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