TouchPanel.IsGestureAvailable Property
Used to determine if a touch gesture is available.
Namespace: Microsoft.Xna.Framework.Input.Touch
Assembly: Microsoft.Xna.Framework (in microsoft.xna.framework.dll)
Before gestures can become available, they first must be set with the TouchPanel.EnabledGestures property.
If IsGestureAvailable is true, TouchPanel.ReadGesture can be used to read the gesture data.