# TrackF class

Namespace: [Grasshopper2.Eto.Forms](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.eto.forms.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
public class TrackF
```

Represents the beginning and end of a specific mouse motion for navigational purposes.

## Constructors

- [TrackF](https://developer.rhino3d.com/api/gh2/type/grasshopper2.eto.forms.trackf/ctor.md)

## Properties

- [Destination](https://developer.rhino3d.com/api/gh2/type/grasshopper2.eto.forms.trackf/destination.md): Gets the destination point of the motion.
- [Origin](https://developer.rhino3d.com/api/gh2/type/grasshopper2.eto.forms.trackf/origin.md): Gets the origin point of the motion.
- [ΔX](https://developer.rhino3d.com/api/gh2/type/grasshopper2.eto.forms.trackf/x.md): Gets the difference in x of the motion. Positive values indicate the destination is to the right of the origin.
- [ΔY](https://developer.rhino3d.com/api/gh2/type/grasshopper2.eto.forms.trackf/y.md): Gets the difference in y of the motion. Positive values indicate the destination is below the origin.