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>com_load_typelib</H1
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><P
> (PHP 4 >= 4.1.0, PHP 5)</P
>com_load_typelib -- Loads a Typelib</DIV
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><H2
>Description</H2
>bool <B
CLASS="methodname"
>com_load_typelib</B
> ( string typelib_name [, bool case_insensitive] )<BR
></BR
><P
> Loads a type-library and registers its constants in the engine, as though
they were defined using <A
HREF="function.define.html"
><B
CLASS="function"
>define()</B
></A
>. The
<CODE
CLASS="parameter"
>case_insensitive</CODE
> behaves in the same way as the
parameter with the same name in the <A
HREF="function.define.html"
><B
CLASS="function"
>define()</B
></A
> function.
</P
><P
> <CODE
CLASS="parameter"
>typelib_name</CODE
> can be one of the following:
<P
></P
><UL
><LI
><P
> The filename of a <TT
CLASS="literal"
>.tlb</TT
> file or the executable module
that contains the type library.
</P
></LI
><LI
><P
> The type library GUID, followed by its version number, for example
<TT
CLASS="literal"
>{00000200-0000-0010-8000-00AA006D2EA4},2,0</TT
>.
</P
></LI
><LI
><P
> The type library name, e.g. <TT
CLASS="literal"
>Microsoft OLE DB ActiveX Data
Objects 1.0 Library</TT
>.
</P
></LI
></UL
>
PHP will attempt to resolve the type library in this order, as the
process gets more and more expensive as you progress down the list;
searching for the type library by name is handled by physically
enumerating the registry until we find a match.
</P
><P
> Note that it is much more efficient to use the
<A
HREF="ref.com.html#ini.com.typelib-file"
><I
CLASS="term"
> <CODE
CLASS="parameter"
>com.typelib_file</CODE
>
</I
></A
>
configuration setting to pre-load and register the constants,
although not so flexible.
</P
><P
> If you have turned on <A
HREF="ref.com.html#ini.com.autoregister-typelib"
><I
CLASS="term"
> <CODE
CLASS="parameter"
>com.autoregister_typelib</CODE
>
</I
></A
>,
then PHP will attempt to automatically register the constants associated
with a COM object when you instantiate it. This depends on the
interfaces provided by the COM object itself, and may not always be
possible.
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