Use a custom C++ UWP component in a WPF App

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Hi,
I am using VS2015 on Windows10.

I am trying to write a D3D11 scene to be manipulated (hopefully) as a .NET object by my WPF App and rendered in a D3D Image.

I would like to avoid C Interop and C++ CLI if I could use UWP or some COM magic to make my C++ code available to .NET.

I tried to follow this blog by Scott Hanselman:
http://www.hanselman.com/blog/HowToCallWinRTAPIsInWindows8FromCDesktopApplicationsWinRTDiagram.aspx[^]

But I can't seem to make it work with Windows 10 + VS2015 + my custom C++ component.

Any ideas?
Should I go with C++ CLI after all?

Posted 4-Dec-15 7:09am

Super Lloyd

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Sergey Alexandrovich Kryukov 4-Dec-15 16:19pm

I would advise you to avoid "COM magic" (actually, to avoid by all means) and also any other kind of "magic", and use C++/CLI and/or, maybe, UWP, depending on what you want to achieve.
And "in a WPF app" assumes that this is .NET application, which means, using CIL and, hence one of .NET languages, including C++/CLI.
Sorry, but your question is not clear enough for further discussion; your "I can't seem to make it work" is not quite informative.
—SA

Super Lloyd 4-Dec-15 20:50pm

I tried UWP and WinRT Win8 project, but I keep running into error such as:

--
An unhandled exception of type 'System.TypeLoadException' occurred in WpfD3D11Interop.exe

Additional information: Could not find Windows Runtime type 'VisualizationComponent.Class1'.
with the InnerException message:

Types from custom Windows Runtime components are not supported in desktop applications.
--

That said I just remember my annoyance with C++ CLI is that it target a particular architecture (x86/x64/arm) and you can't ship (easily) multiple architecture together.
And that annoyance is not in any way improved by a native C++ component!
So there is no point for me to go through a complicated build process after all!

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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