<div>
Hi<br />
<br />
I would say that the base class, in this case &quot;CDHtmlDialog&quot; is not defined in that file<br />
or the header where that class is defined is not included in this file.<br />
<br />
Hope this helps<br />
<br />
Tincho
</div>


Hi

I would say that the base class, in this case "CDHtmlDialog" is not defined in that file
or the header where that class is defined is not included in this file.

Hope this helps

Tincho

<div>
CDHtmlDialog were added with microsoft web browser activeX under MFC.
</div>


CDHtmlDialog were added with microsoft web browser activeX under MFC.

<div>
I guess there must be some kind of header you must include.<br />
<br />
TIncho
</div>


I guess there must be some kind of header you must include.

TIncho

<div>
<div class="content wysiwyg-content">
When i try to compile, i get error: error C2504: 'CDHtmlDialog' : base class undefined<br />
<br />
How can i resolve this?<br />

</div>
</div>


When i try to compile, i get error: error C2504: 'CDHtmlDialog' : base class undefined

How can i resolve this?


base class undefined

C++ is an intermediate-level general-purpose programming language, not to be confused with C or C#. It was developed as a set of extensions to the C programming language to improve type-safety and add support for automatic resource management, object-orientation, generic programming, and exception handling, among other features.