How to use Syncfusion UWP controls in C++ projects
Our UWP controls can used with C++ application by using Windows Runtime Component. In this you can add our control in Windows Runtime Component and refer the control in C++ project.
We have prepared simple SfTabControl sample using Windows Runtime Component. Refer the following steps how to use our UWP control in C++ application.
Step 1: Create a Windows Runtime Component

Step 2: Add our extension in Window Runtime project.

Step 3: Add UserControl item in Windows Runtime project.

Step 4: Add our SfTabControl in the UserControl .

Step 5: Create a C++ Universal Windows App project

Step 6: Add Windows Runtime Project reference to C++ project.

Step 7: Add CustomTab (UserControl) in C++ project using CustomComponent reference.

Step 8: Build and deploy C++ project and run the project.

Download the sample from following link,
Refer the following article to get much more understanding of Windows Runtime Component,
https://msdn.microsoft.com/en-us/library/windows/apps/mt609005.aspx?f=255&MSPPError=-2147217396