Set Default view for CFileDialog to Large Icon

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C++

MFC

dialog

I am using CFileDialog to let the user select png images to display, But for png file I feel list view is inappropriate because user have to everytime change the view to Large icon, So what is needed is to by default set the view to "Large Icon" instead of list view. Here's is what i have done, please let me know what should i add in-order to get Large Icon view. I am using Windows 7 VS 2010 MFC C++.

CFileDialog dlg(TRUE, _T("png"), 0, OFN_FILEMUSTEXIST | OFN_HIDEREADONLY | OFN_PATHMUSTEXIST, _T("Portable Network Graphics (.png)|*.png||"));
    static char szTitle[] = _T("Select Icon");
    dlg.m_ofn.lpstrTitle = szTitle;
    static char szInitPath[] = _T("D:\\pngImagelist");
    dlg.m_ofn.lpstrInitialDir = szInitPath;

Need help of all experts out their. Thanks in advance :)