本文整理汇总了C#中IObservable.StartWith方法的典型用法代码示例。如果您正苦于以下问题：C# IObservable.StartWith方法的具体用法？C# IObservable.StartWith怎么用？C# IObservable.StartWith使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IObservable的用法示例。
在下文中一共展示了IObservable.StartWith方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: WatchFile
public static IObservable<FileNotification> WatchFile(this FileInfo file, IObservable<Unit> pulse)
{
return pulse.StartWith(Unit.Default)
.Scan((FileNotification) null, (state, _) => state == null
? new FileNotification(file)
: new FileNotification(state));
}示例2: ScreenInput
public ScreenInput(IObservable<VirtualControllerState> Input)
{
var ButtonPresses = new Subject<VirtualButtons>();
var ButtonReleases = new Subject<VirtualButtons>();
var PointChanges = new Subject<Point>();
Input = Input.StartWith(new VirtualControllerState());
// Wire up the buttons
Input
.Zip(Input.Skip(1), Tuple.Create)
.Subscribe((tuple) => {
var old = tuple.Item1;
var curr = tuple.Item2;
foreach (VirtualButtons button in Enum.GetValues(typeof(VirtualButtons))) {
if (old.IsButtonPressed(button) != curr.IsButtonPressed(button)) {
((curr.IsButtonPressed(button)) ? ButtonPresses : ButtonReleases).OnNext(button);
Console.WriteLine(button.ToString() + " " + curr.IsButtonPressed(button));
}
}
});
// Wire up the point
Input
.Select((state) => state.Point)
.DistinctUntilChanged()
.Subscribe(PointChanges);
this.ButtonPresses = ButtonPresses;
this.ButtonReleases = ButtonReleases;
this.PointChanges = PointChanges;
}