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335 lines
4.5 KiB
335 lines
4.5 KiB
<HTML |
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><HEAD |
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>SDL_ActiveEvent</TITLE |
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CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ |
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TITLE="SDL Event Structures." |
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>SDL Library Documentation</TH |
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>Prev</A |
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><H1 |
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><A |
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NAME="SDLACTIVEEVENT" |
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></A |
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>SDL_ActiveEvent</H1 |
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><DIV |
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CLASS="REFNAMEDIV" |
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><A |
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NAME="AEN3955" |
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></A |
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><H2 |
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>Name</H2 |
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>SDL_ActiveEvent -- Application visibility event structure</DIV |
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><DIV |
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CLASS="REFSECT1" |
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><A |
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NAME="AEN3958" |
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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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Uint8 gain; |
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Uint8 state; |
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} SDL_ActiveEvent;</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="AEN3961" |
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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="AEN3963" |
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></A |
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><P |
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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_ACTIVEEVENT.</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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>gain</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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>0 if the event is a loss or 1 if it is a gain.</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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>state</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_APPMOUSEFOCUS</TT |
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> if mouse focus was gained or lost, <TT |
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CLASS="LITERAL" |
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>SDL_APPINPUTFOCUS</TT |
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> if input focus was gained or lost, or <TT |
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CLASS="LITERAL" |
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>SDL_APPACTIVE</TT |
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> if the application was iconified (<TT |
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CLASS="STRUCTFIELD" |
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><I |
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>gain</I |
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></TT |
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>=0) or restored(<TT |
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CLASS="STRUCTFIELD" |
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><I |
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>gain</I |
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></TT |
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>=1).</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="AEN3984" |
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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_ActiveEvent</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 when an event of type <TT |
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CLASS="LITERAL" |
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>SDL_ACTIVEEVENT</TT |
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> is reported.</P |
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><P |
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>When the mouse leaves or enters the window area a <TT |
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CLASS="LITERAL" |
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>SDL_APPMOUSEFOCUS</TT |
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> type activation event occurs, if the mouse entered the window then <TT |
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CLASS="STRUCTFIELD" |
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><I |
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>gain</I |
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></TT |
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> will be 1, otherwise <TT |
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CLASS="STRUCTFIELD" |
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><I |
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>gain</I |
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></TT |
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> will be 0. A <TT |
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CLASS="LITERAL" |
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>SDL_APPINPUTFOCUS</TT |
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> type activation event occurs when the application loses or gains keyboard focus. This usually occurs when another application is made active. Finally, a <TT |
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CLASS="LITERAL" |
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>SDL_APPACTIVE</TT |
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> type event occurs when the application is either minimised/iconified (<TT |
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CLASS="STRUCTFIELD" |
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><I |
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>gain</I |
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></TT |
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>=0) or restored.</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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>This event does not occur when an application window is first created.</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="AEN4000" |
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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="sdlgetappstate.html" |
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><TT |
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CLASS="FUNCTION" |
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>SDL_GetAppState</TT |
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></A |
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></P |
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></DIV |
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>Prev</A |
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>Next</A |
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>SDL_Event</TD |
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>Up</A |
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>SDL_KeyboardEvent</TD |
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