private void TabItem_PreviewMouseDown(object sender, MouseButtonEventArgs e)
{
var selected = sender as TabItem;
if (selected != null)
{
selected.IsSelected = true;
}
if (Math.Abs(_border.ActualHeight - 100) < 0)
{
return;
}
var animation = new DoubleAnimation(_border.ActualHeight, 100, new Duration(new TimeSpan(0, 0, 0, 1)))
{
EasingFunction = new PowerEase {
Power = 8
}
};
_border.BeginAnimation(HeightProperty, animation);
var opacityAnimation = new DoubleAnimation(_border.Opacity, 1, new Duration(new TimeSpan(0, 0, 0, 1)))
{
EasingFunction = new PowerEase {
Power = 8
}
};
_border.BeginAnimation(OpacityProperty, opacityAnimation);
var visibilityAnimation = new ObjectAnimationUsingKeyFrames();
visibilityAnimation.KeyFrames.Add(new DiscreteObjectKeyFrame(Visibility.Visible, KeyTime.FromTimeSpan(TimeSpan.FromSeconds(0.5))));
_hideButton.BeginAnimation(VisibilityProperty, visibilityAnimation);
//Marging = 5,5,0,-1
var marginAnimation = new ThicknessAnimation(_tabPanel.Margin, new Thickness(5, 5, 0, -1), new Duration(new TimeSpan(0, 0, 0, 0, 1)))
{
EasingFunction = new PowerEase {
Power = 8
}
};
_tabPanel.BeginAnimation(MarginProperty, marginAnimation);
}
