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DelphiDabbler.com: Article #22 Demo Readme
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<h1>
DelphiDabbler.com<br />
Demo Project for Article #22:<br />
<span class="articlename">"How to call Delphi code from scripts running
in a TWebBrowser"</span>
</h1>
<p>
This ReadMe file explains how to use the demo source code that accompanies
the article
"<a href="http://www.delphidabbler.com/articles?article=22">How to call
Delphi code from scripts running in a TWebBrowser</a>".
</p>
<p>
Included in the download are the following files:
</p>
<ul>
<li>
<code>Article22.dat</code> – data file used by demo program.
</li>
<li>
<code>Article22.dpr</code> – project file for demo program.
</li>
<li>
<code>Article22.html</code> – HTML document displayed in
<var>TWebBrowser</var> control.
</li>
<li>
<code>Article22.res</code> – icon etc for demo program.
</li>
<li>
<code>Article22.tlb</code> – type library used to define external
object interface.
</li>
<li>
<code>Article22_TLB.pas</code> – file generated by type library
editor.
</li>
<li>
<code>FmDemo.pas/.dfm</code> – demo program's main form.
</li>
<li>
<code>IntfDocHostUIHandler.pas</code> – defines
<var>IDocHostUIHandler</var> interface and associated structures.
</li>
<li>
<code>UExternalContainer.pas</code> – defines
<var>IDocHostUIHandler</var> and <var>IOleClientSite</var>
implementation that provides external object to <var>TWebBrowser</var>.
</li>
<li>
<code>UMyExternal.pas</code> – implementation of external object.
</li>
<li>
<code>UNulContainer.pas</code> – defines do nothing implementation
of <var>IDocHostUIHandler</var> and <var>IOleClientSite</var> and
registers client site with <var>TWebBrowser</var>.
</li>
</ul>
<p>
To use the demo start Delphi and load <code>Article22.dpr</code>. Compile
the program and run it. <code>Article22.html</code> is displayed in the
browser control. Click on one of the program names displayed in the list and
its name and precis will appear in the bordered box at the bottom of the
display.
</p>
<p>
Once the program has been tested, examine the code in the various units.
</p>
<p>
The code is targetted at Delphi 7 and has been tested on Windows XP Pro SP2
using Internet Explorer 6
</p>
<div class="endnotes">
<div class="comments">
If you have any comments on the article or this source code, or if you
have found a bug, please let me know. You can contact me via my website
<a href="http://www.delphidabbler.com/contact" target="_blank">
contact page</a>.
</div>
<div class="copyright">
Copyright © 2005-2006, P D Johnson,
<a href="http://www.delphidabbler.com" target="_blank">
www.delphidabbler.com</a>
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