我在使用 Reactive Extensions for .NET 的 WPF 应用程序中有以下代码:
public MainWindow()
{
InitializeComponent();
var leftButtonDown = Observable.FromEvent<MouseButtonEventArgs>(this, "MouseLeftButtonDown");
var leftButtonUp = Observable.FromEvent<MouseButtonEventArgs>(this, "MouseLeftButtonUp");
var moveEvents = Observable.FromEvent<MouseEventArgs>(this, "MouseMove")
.SkipUntil(leftButtonDown)
.SkipUntil(leftButtonUp)
.Repeat()
.Select(t => t.EventArgs.GetPosition(this));
moveEvents.Subscribe(point =>
{
textBox1.Text = string.Format(string.Format("X: {0}, Y: {1}", point.X, point.Y));
});
}
当鼠标在此对话框上移动时,内存是否会稳定增加?
阅读代码,我希望 moveEvents observable 会在一段时间后包含大量的 MouseEventArgs?或者这是以我不知道的某种聪明的方式处理的?