public void ShowMessage(string message, bool isSuccess = true)
{
if (message == string.Empty)
{
return;
}
MessageBar.Visibility = Visibility.Visible;
MessageBarContent.Text = message;
MessageBar.Background = isSuccess ? Utils.Colors.Green : Utils.Colors.Red;
// 显示动画
DoubleAnimation showAnimation = new DoubleAnimation
{
From = 0,
To = 1,
Duration = new Duration(TimeSpan.FromSeconds(.4))
};
// 消失动画
DoubleAnimation hiddenAnimation = new DoubleAnimation
{
From = 1,
To = 0,
Duration = new Duration(TimeSpan.FromSeconds(2))
};
// 显示动画执行完毕后执行消失动画
showAnimation.Completed += new EventHandler((object a, EventArgs b) => { MessageBar.BeginAnimation(OpacityProperty, hiddenAnimation); });
// 消失动画执行完毕后隐藏消息通知
hiddenAnimation.Completed += new EventHandler((object a, EventArgs b) => { MessageBar.Visibility = Visibility.Collapsed; });
MessageBar.BeginAnimation(OpacityProperty, hiddenAnimation);
}
