# GH_CanvasObjectMouseDownEventArgs 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_CanvasObjectMouseDownEventArgs : EventArgs
```

Event arguments for the CanvasObjectMouseDown events.

## Constructors

- [GH_CanvasObjectMouseDownEventArgs](https://developer.rhino3d.com/api/gh1/type/grasshopper.gui.gh-canvasobjectmousedowneventargs/ctor.md)

## Properties

- [Canvas](https://developer.rhino3d.com/api/gh1/type/grasshopper.gui.gh-canvasobjectmousedowneventargs/canvas.md)
- [Document](https://developer.rhino3d.com/api/gh1/type/grasshopper.gui.gh-canvasobjectmousedowneventargs/document.md)
- [Object](https://developer.rhino3d.com/api/gh1/type/grasshopper.gui.gh-canvasobjectmousedowneventargs/object.md)