This sample demonstrates the different values of ToolManager.gestureBehavior.

- ToolManager.GestureZoom is the default value: Pinch gestures will zoom the Diagram.
- ToolManager.GestureNone: Pinch gestures zoom the browser page instead of the Diagram.
- ToolManager.GestureCancel: Pinch gestures will do nothing.

Set the value for the Diagram below:

`go.ToolManager.GestureZoom;`

`go.ToolManager.GestureCancel;`

`go.ToolManager.GestureNone;`