C / C++ / MFC

class CProgressDlg : public CDialog
{
public:
    enum { IDD = IDD_PROGRESS_DIALOG };
    virtual void PostNcDestroy();
};
 
CProgressDlg::CProgressDlg(CWnd* pParent)
    : CDialog(CProgressDlg::IDD, pParent)
{
    Create(IDD);
}
 
void CProgressDlg::PostNcDestroy() 
{
    delete this;
	
    CDialog::PostNcDestroy();
}

CProgressDlg *pDlg = new CProgressDialog;
pDlg->ShowWindow(SW_SHOW);    
 
// do some work
 
pDlg->DestroyWindow();

"One must learn from the bite of the fire to leave it alone." - Native American Proverb

<br />
CDialog::Create(LPCTSTR lpszTemplateName, CWnd* pParentWnd)<br />
{<br />
  .....<br />
  BOOL bResult = CreateIndirect(hTemplate, pParentWnd, hInst);<br />
<br />
}<br />
<br />
<br />
BOOL CDialog::CreateIndirect(HGLOBAL hDialogTemplate, CWnd* pParentWnd,<br />
	HINSTANCE hInst)<br />
{<br />
	ASSERT(hDialogTemplate != NULL); //THIS IS OK<br />
<br />
	LPCDLGTEMPLATE lpDialogTemplate = (LPCDLGTEMPLATE)LockResource(hDialogTemplate);<br />
	BOOL bResult = CreateIndirect(lpDialogTemplate, pParentWnd, NULL, hInst); //lpDialogTemplate is not NULL but pParentWnd is<br />
	UnlockResource(hDialogTemplate);<br />
<br />
	return bResult;<br />
}<br />
<br />
<br />
BOOL CDialog::CreateIndirect(LPCDLGTEMPLATE lpDialogTemplate, CWnd* pParentWnd,<br />
	void* lpDialogInit, HINSTANCE hInst)<br />
{<br />
	ASSERT(lpDialogTemplate != NULL);<br />
<br />
	if (pParentWnd == NULL)<br />
		pParentWnd = AfxGetMainWnd(); //I THINK SINCE I USE MDI APP AfxGetMainWnd() will return CMDIFrameWnd()...COULD THIS BE A PROBLEM??<br />
	m_lpDialogInit = lpDialogInit; //m_lpDialogInit is NULL<br />
<br />
	return CreateDlgIndirect(lpDialogTemplate, pParentWnd, hInst);<br />
}<br />
<br />
BOOL CWnd::CreateDlgIndirect(LPCDLGTEMPLATE lpDialogTemplate,<br />
	CWnd* pParentWnd, HINSTANCE hInst)<br />
{<br />
	ASSERT(lpDialogTemplate != NULL);<br />
	....<br />
        hWnd = ::CreateDialogIndirect(hInst, lpDialogTemplate,<br />
			pParentWnd->GetSafeHwnd(), AfxDlgProc); //CAUSES ASSERTION FAILURE<br />
<br />
<br />
<br />
}<br />
<br />

<br />
BOOL CProgressDlg::Create(CWnd* pParent)<br />
{<br />
  CDialog::Create(CProgressDlg::IDD, pParent);<br />
}<br />

<br />
CProgressDlg* pDlg = new CProgressDlg();<br />
pDlg->Create(NULL);<br />

"One must learn from the bite of the fire to leave it alone." - Native American Proverb

"One must learn from the bite of the fire to leave it alone." - Native American Proverb

"One must learn from the bite of the fire to leave it alone." - Native American Proverb

"One must learn from the bite of the fire to leave it alone." - Native American Proverb