forked from KolibriOS/kolibrios
329 lines
4.1 KiB
HTML
329 lines
4.1 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>SDL_UserEvent</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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TITLE="SDL Event Structures."
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TITLE="SDL_SysWMEvent"
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COLSPAN="3"
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>SDL Library Documentation</TH
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><TR
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><TD
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WIDTH="10%"
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>Prev</A
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WIDTH="10%"
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>Next</A
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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="SDLUSEREVENT"
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>SDL_UserEvent</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="AEN4097"
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></A
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><H2
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>Name</H2
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>SDL_UserEvent -- A user-defined event type</DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN4100"
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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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int code;
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void *data1;
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void *data2;
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} SDL_UserEvent;</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="AEN4103"
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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="AEN4105"
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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_USEREVENT</TT
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> through to <TT
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CLASS="LITERAL"
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>SDL_NUMEVENTS-1</TT
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></TD
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></TR
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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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>code</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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>User defined event code</TD
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></TR
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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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>data1</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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>User defined data pointer</TD
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></TR
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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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>data2</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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>User defined data pointer</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="AEN4126"
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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_UserEvent</SPAN
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> is in the <TT
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CLASS="STRUCTFIELD"
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><I
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>user</I
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></TT
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> member of the structure <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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>. This event is unique, it is never created by SDL but only by the user. The event can be pushed onto the event queue using <A
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HREF="sdlpushevent.html"
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><TT
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CLASS="FUNCTION"
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>SDL_PushEvent</TT
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></A
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>. The contents of the structure members or completely up to the programmer, the only requirement is that <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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> is a value from <TT
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CLASS="LITERAL"
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>SDL_USEREVENT</TT
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> to <TT
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CLASS="LITERAL"
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>SDL_NUMEVENTS-1</TT
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> (inclusive).</P
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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="AEN4138"
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></A
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><H2
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>Examples</H2
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><P
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><PRE
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CLASS="PROGRAMLISTING"
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>SDL_Event event;
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event.type = SDL_USEREVENT;
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event.user.code = my_event_code;
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event.user.data1 = significant_data;
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event.user.data2 = 0;
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SDL_PushEvent(&event);</PRE
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></P
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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="AEN4142"
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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="sdlpushevent.html"
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><TT
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CLASS="FUNCTION"
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>SDL_PushEvent</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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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="sdlsyswmevent.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="sdlquitevent.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_SysWMEvent</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_QuitEvent</TD
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></TR
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> |