UIBlock.AddGestureHandler

Subscribe to a gesture event on this UIBlock and optionally on its descendent hierarchy, depending on the value of includeHierarchy.

Remarks

If includeHierarchy is true, gestureHandler will be invoked whenever the given gesture type is triggered on this UIBlock or one of its decendents.
If includeHierarchy is false, gestureHandler will be invoked only when the given gesture type occurs on this UIBlock directy.

Declaration

public void AddGestureHandler<TGesture>(UIEventHandler<TGesture> gestureHandler, bool includeHierarchy = true)
    where TGesture : struct, IGestureEvent

Parameters

Type	Name	Description
UIEventHandler<TGesture>	gestureHandler	The callback invoked when the gesture event fires.
bool	includeHierarchy	Capture gestures from the descendent hierarchy or scope to this this UIBlock directy.

Type Parameters

Name	Description
TGesture	The type of gesture event to handle.

Exceptions

Type	Condition
System.ArgumentNullException	If `gestureHandler` is `null`.