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show some locations located inside the current viewport from C# VS2013 WPF. RRS feed

  • Question

  • I am using XAML map control lib (https://xamlmapcontrol.codeplex.com/) to show some locations on a map from C# VS2013 WPF. I would like to show the locations by pushpins when the zoom level > 10. But, I need to know the corner coordinates (latitude/longitude) of the current viewport so that I only need to show the locations that are located inside the viewport rectangle.

    Another reason is that marking too many pushpins are not efficient in WPF because each pushpin is a UIElement. So, I only need to show the locations located in the current viewport. I hope that I can have this like:

     viewport.coordinates or viewport.borders or  viewport.north/south/east/west.

    Any help would be appreciated.

    Tuesday, October 20, 2015 3:27 AM

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