This repository is forked from https://github.com/humphd/VncSharp and ultra encoding was added.

VncSharpUltra is a Free and Open Source (GPL) implementation of the VNC Remote Framebuffer (RFB) Protocol for the .NET Framework. Virtual Network Computing (VNC) is a cross-platform client/server protocol allowing remote systems to be controlled over a network. VncSharpUltra is a VNC Client Library and custom Windows Forms Control integrated into single binary. VncSharpUltra is also Free Software, released under the GPL. You can freely use VncSharp to bundle VNC functionality into your own .NET applications simply by dragging and dropping a control onto your form.