forked from KolibriOS/kolibrios
255 lines
3.4 KiB
HTML
255 lines
3.4 KiB
HTML
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<HTML
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><HEAD
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><TITLE
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>SDL_QuitEvent</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.64
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"><LINK
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REL="HOME"
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TITLE="SDL Library Documentation"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="SDL Event Structures."
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HREF="eventstructures.html"><LINK
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REL="PREVIOUS"
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TITLE="SDL_UserEvent"
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HREF="sdluserevent.html"><LINK
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REL="NEXT"
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TITLE="SDL_keysym"
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HREF="sdlkeysym.html"></HEAD
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><BODY
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CLASS="REFENTRY"
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BGCOLOR="#FFF8DC"
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TEXT="#000000"
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LINK="#0000ee"
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VLINK="#551a8b"
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ALINK="#ff0000"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>SDL Library Documentation</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="sdluserevent.html"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="sdlkeysym.html"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><H1
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><A
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NAME="SDLQUITEVENT"
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>SDL_QuitEvent</A
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></H1
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><DIV
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CLASS="REFNAMEDIV"
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><A
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NAME="AEN4153"
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></A
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><H2
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>Name</H2
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>SDL_QuitEvent -- Quit requested event</DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN4156"
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></A
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><H2
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>Structure Definition</H2
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><PRE
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CLASS="PROGRAMLISTING"
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>typedef struct{
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Uint8 type
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} SDL_QuitEvent;</PRE
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN4159"
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></A
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><H2
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>Structure Data</H2
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><DIV
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CLASS="INFORMALTABLE"
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><A
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NAME="AEN4161"
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></A
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><P
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></P
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><TABLE
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BORDER="0"
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CLASS="CALSTABLE"
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><TBODY
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="STRUCTFIELD"
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><I
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>type</I
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></TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="LITERAL"
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>SDL_QUIT</TT
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></TD
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></TR
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></TBODY
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></TABLE
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><P
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></P
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></DIV
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN4169"
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></A
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><H2
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>Description</H2
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><P
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><SPAN
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CLASS="STRUCTNAME"
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>SDL_QuitEvent</SPAN
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> is a member of the <A
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HREF="sdlevent.html"
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><SPAN
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CLASS="STRUCTNAME"
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>SDL_Event</SPAN
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></A
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> union and is used whan an event of type <TT
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CLASS="LITERAL"
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>SDL_QUIT</TT
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> is reported.</P
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><P
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>As can be seen, the SDL_QuitEvent structure serves no useful purpose. The event itself, on the other hand, is very important. If you filter out or ignore a quit event then it is impossible for the user to close the window. On the other hand, if you do accept a quit event then the application window will be closed, and screen updates will still report success event though the application will no longer be visible.</P
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><DIV
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CLASS="NOTE"
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><BLOCKQUOTE
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CLASS="NOTE"
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><P
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><B
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>Note: </B
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>The macro <TT
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CLASS="FUNCTION"
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>SDL_QuitRequested</TT
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> will return non-zero if a quit event is pending</P
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></BLOCKQUOTE
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></DIV
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN4180"
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></A
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><H2
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>See Also</H2
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><P
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><A
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HREF="sdlevent.html"
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><SPAN
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CLASS="STRUCTNAME"
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>SDL_Event</SPAN
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></A
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>,
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<A
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HREF="sdlseteventfilter.html"
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><TT
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CLASS="FUNCTION"
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>SDL_SetEventFilter</TT
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></A
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></P
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="sdluserevent.html"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="sdlkeysym.html"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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>SDL_UserEvent</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="eventstructures.html"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>SDL_keysym</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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>
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