先看下效果：
支持动画，支持声音，支持定时自动关闭
使用方法：
var notifycation = new Notification(“My Notification”, "My notification message goes here", 2, "Slide", "Right");
notifycation.show();
用起来就这么简单,第一个参数是title，第二个是内容，背景红色是可以换的，第三个参数是自动关闭时间，第四个是窗口动作，淡入淡出，或者滑翔，第五个参数是从左边还是右边，上边还是下边出来
支持多个toast，消失之前会叠加不会盖住，
核心源码：
if (duration < 0)
duration = int.MaxValue;
else
duration = duration * 1000; lifeTimer.Interval = duration;
labelTitle.Text = title;
labelBody.Text = body; _animator = new FormAnimator(this, animation, direction, 500); Region = Region.FromHrgn(NativeMethods.CreateRoundRectRgn(0, 0, Width - 5, Height - 5, 20, 20));
[DllImport("user32")]
internal extern static bool AnimateWindow(IntPtr hWnd, int dwTime, int dwFlags);
[DllImport("Gdi32.dll", EntryPoint = "CreateRoundRectRgn")]
internal static extern IntPtr CreateRoundRectRgn
(
int nLeftRect, // x-coordinate of upper-left corner
int nTopRect, // y-coordinate of upper-left corner
int nRightRect, // x-coordinate of lower-right corner
int nBottomRect, // y-coordinate of lower-right corner
int nWidthEllipse, // width of ellipse
int nHeightEllipse // height of ellipse
);