我们如何组合同时发生的两个要处理的事件?
即鼠标按下并更改了值?
Observable.Merge似乎不起作用?
var x = Observable.FromEventPattern<EventArgs>(ScrollBar, "ValueChanged");
var y = Observable.FromEventPattern<EventArgs>(ScrollBar, "PreviewMouseLeftButtonDown");
x.Merge(y)
.Do(View => View.Property = true)
.Subscribe();