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Visual Studio 2015 – The name "MapControl" does not exist in the namespace "using:Windows.UI.Xaml.Controls.Maps"

There are times when you get the below warning message in the Visual Studio Xaml Designer when using the MapsControl .

The name “MapControl” does not exist in the namespace “using:Windows.UI.Xaml.Controls.Maps”

I got this error when trying to open the Universal Windows Apps MapsControl sample project in Visual Studio 2015 . When I build the project and run it on Windows Mobile 10 emulator , it would work fine . But the designer the the error “Invalid Markup”.

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The fix to the problem was pretty simple. Just try to change the build configuration from x64 to x86 and it fixed the issue on the designer .

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Senthil Kumar B
Senthil Kumar is a former Microsoft MVP (Most Valuable Professional). He is a Co-Author of the book "Windows 10 Development Recipes using JavaScript and CSS" for Apress Publication. He is a technical presenter, blogger, mentor and a Geek.  Senthil is a regular speaker is various local user groups. He has presented at conferences like Great Indian Developer Summit (GIDS) & Microsoft DevCamps. You can reach out to him via his Twitter handle @isenthil.