The best info I can find for this is from https://social.msdn.microsoft.com/Forums/en-US/4b2d1889-d4dd-4980-adef-540db2836239/how-to-convert-stream-to-irandomaccessstream?forum=winappswithcsharp ... ... You can use an InMemoryRandomAccessStream. For example: StorageFile sf = await Package.Current.In...

From the MSDN it looks like

...
mediaControl.SetSource(stream, file.ContentType);
mediaControl.Play();
...

is what is supported for Windows 10 apps.

https://msdn.microsoft.com/en-us/librar ... 44338.aspx

Without any idea of what error messages you get it is a little difficult to help much. It does work as expected. I have debugged, deployed and run from start a number of the example applications (https://github.com/ms-iot/samples) including Blinky. My setup is just a standard 192.168.x.x. network fr...

https://www.microsoftvirtualacademy.com/en-US/training-courses/a-developer-s-guide-to-windows-10-12618 An up to date developers guide to all things Windows 10, in 18 parts! Andy Wigley's updated talk series (Aug 12th 2015) on what is possible in Windows 10, from Desktop to IoT. Aimed at developers a...

Have you made sure that the application is not already installed? You need to remove it first from the installed list before you can redeploy.

https://social.msdn.microsoft.com/Forum ... WindowsIoT

With that code you should note that you only have ReadOnly file permissions on files in the the Assets folder. If you need ReadWrite permissions on a then you must be in the Local/Roaming/Temp folders.

See

https://channel9.msdn.com/Series/A-Deve ... dows-10/09

https://channel9.msdn.com/Series/A-Developers-Guide-to-Windows-10/09 The options for file access in IoT Applications do not allow for general file access in the way you seem to want, only to a limited sandbox file system within it. The way you would normally get to the wider file system is through t...