C / C++ / MFC

void CExcludeDlg::OnBnClickedBImport()
{
	UpdateData(TRUE);

	static char BASED_CODE szFilter[] = _T("Text File (*.txt)|*.txt||");
	CFileDialog m_ldFile(TRUE, _T(".txt"), NULL, OFN_HIDEREADONLY, szFilter);

	if (m_ldFile.DoModal() == IDOK)
	{
		CWaitCursor c;

		CString strFilePath	= m_ldFile.GetPathName(),
				strLine		= _T("");

		// Open the LUL and pass the data to the parser
		// Read the file and dump the data into strData
		CStdioFile file(strFilePath, CFile::modeRead | CFile::shareDenyNone);

		// Parse the data and populate the vector
		while(file.ReadString(strLine))
		{
			BOOL bFound = FALSE;
			strLine.Trim();
			
			// Only add unique names
			POSITION pos = m_strStringList.GetHeadPosition();
			while(pos)
			{
				if(!strLine.CompareNoCase(m_strStringList.GetAt(pos)))
					bFound = TRUE;

				m_strStringList.GetNext(pos);
			}

			if(!bFound)
				m_strStringList.AddTail(strLine);
		}

		// Empty out the edit control
		m_strList.Empty();

		// Populate the edit control with our string list
		POSITION pos = m_strStringList.GetHeadPosition();
		while(pos)
		{
			m_strList += (m_strStringList.GetAt(pos) + _T("\r\n"));

			m_strStringList.GetNext(pos);
		}

		// Update the status pane with the size of our string list
		m_strStatus.Format(_T("Count: %d"), m_strStringList.GetCount());
	}

	UpdateData(FALSE);
}

First-chance exception at 0x7ca51406 in SiteConsole.exe: 0xC0000005: Access violation reading location 0x016d49c8.
Unhandled exception at 0x7ca51406 in SiteConsole.exe: 0xC0000005: Access violation reading location 0x016d49c8.

7CA51406 mov ecx,dword ptr [eax]