Radius server library. Implement IRadiusPacketHandler and handle packets.
For an example server implementation hosted in a windows service, see: https://github.com/vforteli/RadiusServerService/tree/Base
Create BlurEffect object and call ApplyAsync method, you shall pass the Bitmap object that will be modified, also you shall pass the blur radius in pixels. As the blur radius increases, the bluriness is increased as well.
Asp.net Web Crop Image Control allows developers to build image cropping functionality easily on their projects.
You can seamlessly crop images and yet provide your visitors the most user friendly web interface by simply doing drag and drop in your projects.