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MFC Dialog Box Question

AndrewG1231 asked:

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So, I am continuing to work through a tutorial and I have run into another 'undeclared identifier' error. I have checked that the definition exists in resource.h, but I still get the error. Again, it is a short tutorial, so here is the code:
//MFC5.CPP - MFC Tutorial Part 5 from
#include <afxwin.h>
#include "resource.h"
#include "newdialog.h"

class MFC_Tutorial_Window :public CFrameWnd
	CMenu menu1;
        Create(NULL,_T("MFC Tutorial Part 5 CoderSource Dialog"));
    void OnClickDialogNew();
BEGIN_MESSAGE_MAP( MFC_Tutorial_Window, CFrameWnd)
void MFC_Tutorial_Window::OnClickDialogNew()
    newdialog dlg;
class MyApp :public CWinApp

The compiler gives me the following error (it is the only error):
newdialog.h(15): error C2065: 'ID_MYDIALOG' : undeclared identifier

The error message brings me to enum { IDD = ID_MYDIALOG }; which is line 15 from the following code.

<pre lang="cs">#pragma once

// newdialog dialog

class newdialog : public CDialog

    newdialog(CWnd* pParent = NULL);   // standard constructor
    virtual ~newdialog();

// Dialog Data
    enum { IDD = ID_MYDIALOG };

    virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support


Any suggestion on where I should look? Also, if there is a recommendation for a tutorial not written for VC6, but for VS2010 it would make things easier. However, I have been learning by my mistakes....

Ok, so I was able to fix the compiler issue by including resource.h (per advice) in the newdialog class...but now the dialog box doesn't show! I included a menu resource, but clicking on 'New' doesn't cause the dialog box to appear.
Tags: C++, Visual-Studio (VS2010), MFC


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