Make sure MinMaxCloseControl supports fullscreen and tablet mode

[AnuthaDev]

Summary of the Pull Request

Caption buttons support fullscreen and tablet mode

References

https://devblogs.microsoft.com/oldnewthing/?p=93815
https://docs.microsoft.com/en-us/windows/uwp/cpp-and-winrt-apis/move-to-winrt-from-wrl
https://devblogs.microsoft.com/oldnewthing/20170405-00/?p=95905

PR Checklist

• Closes Make sure MinMaxCloseControl supports FullScreen & Tablet Mode #2001
• CLA signed. If not, go over here and sign the CLA
• Tests added/passed
• Documentation updated. If checked, please file a pull request on our docs repo and link it here: #xxx
• Schema updated.
• I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #xxx

Detailed Description of the Pull Request / Additional comments

Used this to add support for detecting tablet mode

The PR is a work in progress and the code doesn't work in its current state

Validation Steps Performed

None
You know how it is, coded on phone, can't get it to compile 😔

[AnuthaDev]

@DHowett Please tell me how to convert it from WRL to winrt🙏🙏

[DHowett]

So, to convert this from WRL to WinRT, all you need to do is.. replace all this code with:

auto viewSettingsForWindow = winrt::Windows::UI::ViewManagement::UIViewSettings::GetForWindow(hwnd);

C++/WinRT makes winrt look like modern C++, so you don't need to do any weird smart pointer types or IID management.

[DHowett]

Oh, but if you have to use an Interop class... then things get weird and annoying. You actually can't use c++/winrt directly for this. lol ☹️

[AnuthaDev]

Well, using an interop class is the only way I know of. Summoning the legend himself for guidance : @oldnewthing

[oldnewthing]

Oh you mean

    UIViewSettings viewSettingsForWindow{ nullptr };
    get_activation_factory<IUIViewSettingsInterop>(name_of<UIViewSettings>())->
        GetForWindow(hwnd, guid_of<UIViewSettings>(), put_abi(viewSettingsForWindow));

or if you like one-liners

    auto viewSettingsForWindow =
        capture<IInspectable>(
            get_activation_factory<IUIViewSettingsInterop>(name_of<UIViewSettings>()),
            &IUIViewSettingsInterop::GetForWindow,
            hwnd).as<UIViewSettings>();

[zadjii-msft]

Hey this one's been sitting open for quite some time now - @AnuthaDev any plans to come back around and finish this one?

[ghost]

This pull request has been automatically marked as stale because it has been marked as requiring author feedback but has not had any activity for 7 days. It will be closed if no further activity occurs within 7 days of this comment.