# GH_BezierSolver class

Namespace: [Grasshopper.GUI](https://developer.rhino3d.com/api/gh1/namespace/grasshopper.gui.md) · Assembly: [Grasshopper](https://developer.rhino3d.com/api/gh1/assembly/grasshopper.md)

```cs
public class GH_BezierSolver
```

Class for evaluating four-point bezier curves as used in GDI+

## Methods

- [AngleAt](https://developer.rhino3d.com/api/gh1/type/grasshopper.gui.gh-beziersolver/angleat.md): (static) Evaluate the tangent angle of a Bezier span.
- [PointAt](https://developer.rhino3d.com/api/gh1/type/grasshopper.gui.gh-beziersolver/pointat.md): (static) Evaluate a Bezier span.
- [TangentAt](https://developer.rhino3d.com/api/gh1/type/grasshopper.gui.gh-beziersolver/tangentat.md): (static) Evaluate the tangent vector of a Bezier span.