This sample demonstrates the different values of ToolManager.gestureBehavior.

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

Set the value for the Diagram below:

go.ToolManager.GestureZoom;

go.ToolManager.GestureCancel;

go.ToolManager.GestureNone;