How do you summon a Common Dialog like

CFileDialog fileDialog(TRUE, fileDialogExt, NULL,
OFN_FILEMUSTEXIST, fileDialogFilter);

if (fileDialog.DoModal() == IDOK)
{
// etc...
}

???

I have just installed Visual C++.Net (standard edition) on a WinNT4(svcpk6) environment.

The above code compiles just fine but doesnt bring up the file dialog -- nothing happens!

Any help and comments greatly appreciated.