[PATCH 2/4] comdlg32: Add stub implementation of the Common Item dialogs.

[Nikolay Sivov]

On 3/23/2011 00:43, David Hedberg wrote:
>
>> By the way, IFileSaveDialog is based on IFileDialog, and you add
>> IFileDialog2 too. It's a bit messy,
>> does target class object that will use FileDialogImpl really respond to
>> IFileDialog2?
>>
> I'm not completely sure I understand the question, but the same thing
> goes for the IFileOpenDialog.
Yeah, I didn't mean to distinguish them, IFileSaveDialog was as an example.
> I just rechecked on Windows 7, and both
> the IFileSaveDialog and the IFileOpenDialog can be successfully
> queried for the IFileDialog2 interface. There are tests for that in
> the test patch I sent, sort of, although the E_NOINTERFACE case is
> merely marked as broken for the sake of Vista.
Ok, fine then.

It's also better to get rid of casts like:
> +static HRESULT WINAPI IFileOpenDialog_fnSetFileTypeIndex(IFileOpenDialog *iface, UINT iFileType)
> +{
> +    FileDialogImpl *This = impl_from_IFileOpenDialog(iface);
> +    return IFileDialog2_SetFileTypeIndex((IFileDialog2*)This, iFileType);
> +}
> +
and use &This->IFileDialog2_iface.