Method Process
Process(IObservable<Canvas>)
Specifies a new drawing operation to be applied to every canvas in an observable sequence.
public override IObservable<Canvas> Process(IObservable<Canvas> source)Parameters
- sourceIObservable<Canvas>
- A sequence of canvas objects. 
Returns
- IObservable<Canvas>
- A sequence of Canvas objects, where each instance represents the result of layering the new drawing operation on top of all the operations in the canvas.