Let's have a look at the code
The code you just wrote is a C#, UWP Windows 10 app using DirectX through the SharpDX library. In later chapters, we will examine this much more closely. DirectX is the technology that allows us to write fast-running apps that use a lot of graphics, such as the holograms we create. However, DirectX is a C++ library and can officially only be used in C++ programs. Luckily, the people at SharpDX have written a wrapper around this, so we can use this in our C# applications and apps as well, this is the reason why the HoloLens SDK developers included this in the template. For more information about SharpDX, I suggest that you have a look at their site at http://sharpdx.org/.
The app uses some libraries from the Windows ...
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