# GH_Viewport.GH_DisplayMatrix enum

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

```cs
public enum GH_Viewport.GH_DisplayMatrix
```

Enumerates the possible Display Transformation matrices.

## Values

| Name | Value | Description |
| --- | --- | --- |
| CanvasToControl | 0 |  |
| ControlToCanvas | 1 |  |