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Answering my own question.<br />
I have no idea why including the &nbsp;#include &quot;resource.h&quot; in the Cmydialog get rid of the error but it does. <br />
<br />
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Answering my own question.
I have no idea why including the  #include "resource.h" in the Cmydialog get rid of the error but it does.




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After making a dialog using and using the Wizard to make a class The code compiles OK.<br />
<br />
When I include the header file for this new class &nbsp;#include &quot;mydialog.h&quot; &nbsp;in CMainFrame the coimpiler complains.<br />
<br />
error C2065: 'IDD_DIALOG_1' : undeclared identifier<br />
error C2057: expected constant expression<br />
<br />
<br />
<br />

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After making a dialog using and using the Wizard to make a class The code compiles OK.

When I include the header file for this new class  #include "mydialog.h"  in CMainFrame the coimpiler complains.

error C2065: 'IDD_DIALOG_1' : undeclared identifier
error C2057: expected constant expression





error C2057: expected constant expression

Kernel and system programming is the process of creating the software necessary for a computer or device to function and operate other programs. Some operating systems (such as Microsoft Windows) are proprietary, but others, such as the various Linux distributions, are open source.