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    10 <!DOCTYPE concept

    11   PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">

    12 <concept id="GUID-711C387D-E10C-5469-872A-5B2BDACC9B91" xml:lang="en"><title>InterfaceImplementation:

    13 ECom Interface Implementation Example Code</title><prolog><metadata><keywords/></metadata></prolog><conbody>

    14 <section id="GUID-5A40D777-312C-520F-AE12-310723E8D1F2"><title>Download</title> <p>Click

    15 on the following link to download the example: <xref href="guid-6013a680-57f9-415b-8851-c4fa63356636/zips/guid-4d91db5b-1dd7-43ba-9ce8-1c2a1f08a120.zip" scope="external">ECom.zip</xref></p>Download some additional files required

    16 by the example: <xref href="guid-6013a680-57f9-415b-8851-c4fa63356636/zips/guid-89fa6105-e749-4e5f-a233-a000e3b9390b.zip" scope="external">CommonFramework</xref><p>Click: <xref href="guid-6013a680-57f9-415b-8851-c4fa63356636/guid-4d91db5b-1dd7-43ba-9ce8-1c2a1f08a120.html" scope="peer">browse</xref> to view the example code. </p>View the additional

    17 files: <xref href="guid-6013a680-57f9-415b-8851-c4fa63356636/guid-89fa6105-e749-4e5f-a233-a000e3b9390b.html" scope="peer">browse</xref>.  </section>

    18 <section><title>Description</title> <p> <codeph>InterfaceImplementation</codeph> provides

    19 two implementations of the <codeph>CExampleInterface</codeph> interface that

    20 is defined in the <filepath>InterfaceDefinition</filepath> example. </p> <p>The

    21 implementations, <codeph>CImplementationClassOne</codeph> and <codeph>CImplementationClassTwo</codeph>,

    22 each define <codeph>CExampleInterface</codeph>'s virtual <codeph>DoMethodL()</codeph> function

    23 to return a string, and to set an integer parameter passed by the client. </p> <p>The <filepath>10009DB1.rss</filepath> file

    24 contains a <codeph>REGISTRY_INFO</codeph> resource that declares ECom registration

    25 information for the two implementations. </p> </section>

    26 <section><title>Usage</title> <p>Building <filepath>InterfaceImplementation</filepath> produces

    27 a DLL, <filepath>EComExample.dll</filepath>, and compiled resource file, <filepath>EComExample.rsc</filepath>,

    28 in the <filepath>\resource\plugins\</filepath> directory. </p> <p>A

    29 client program that accesses these implementations is provided in the <xref href="GUID-7B4A78D8-64BB-550E-ABC0-255312351215.dita">Interface Client</xref> example. </p> </section>

    30 </conbody></concept>