# SelectionMode enum

Namespace: [Grasshopper2.Extensions](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.extensions.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
public enum SelectionMode
```

Enumerates the possible modifier modes for selections.

## Values

| Name | Value | Description |
| --- | --- | --- |
| Promote | 0 | The current selection is to be replaced with the new selection. |
| Include | 1 | The current selection is to grown to include the new selection. |
| Exclude | 2 | The current selection is to shrink to exclude the new selection. |
| Inverse | 3 | The current selection is to be exclusive-ored with the new selection. |