CODEWITHSUNDEEP
mfcvisual-c++modal-dialog
user196614
user196614

Reputation: 243

DoModal() asserts at very first line

I have an MFC dialog based application created inside Visual Studio 2008.

CCalendarWindowDlg dlg;
m_pMainWnd = &dlg;
INT_PTR nResponse = dlg.DoModal();

When I run the application, DoModal() asserts at very first line

INT_PTR CDialog::DoModal()
{
    // can be constructed with a resource template or InitModalIndirect
    ASSERT(m_lpszTemplateName != NULL || m_hDialogTemplate != NULL ||
    m_lpDialogTemplate != NULL);
}

Can anyone please help?

Upvotes: 3

Views: 3686

Answers (3)

Tero Salonen
Tero Salonen

Reputation: 11

I had the same problem when just creating new dialog based MFC application using Visual Studio 2012. For me the solution was to use dialog construtor that takes dialog resource ID as parameter.

For instance:

CCalendarWindowDlg dlg(IDD_MYDIALOG);
m_pMainWnd = &dlg;
INT_PTR nResponse = dlg.DoModal();

Hope this helps.

Upvotes: 1

sergiol
sergiol

Reputation: 4335

For solving this in the Constructor of my Dialog class, I did something like

CCalendarWindowDlg::CCalendarWindowDlg ()
    :CDialog(IDD)
{
}

Notice I am calling the constructor of the CDialog parent class with the resource ID of the form I want to present.

Upvotes: 3

user90150
user90150

Reputation:

Seems like the resource template is missing or wrongly mapped.

Look at the IDD attribute at your CCalendarWindowDlg class and see whether you have the appropriate dialog present in the Resource View.

Are you using the satellite DLLs for localization or other purpose? or the CCalendarWindowDlg component resource DLL might be missing.

Upvotes: 1

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