private void Grid_MouseLeave(object sender, MouseEventArgs e)
{
DoubleAnimation das = new DoubleAnimation(50, TimeSpan.FromSeconds(0.3));
Hidden.BeginAnimation(WidthProperty, das);
//-241,-1,-1,-1
ThicknessAnimation tas = new ThicknessAnimation(new Thickness(-241, -1, -1, -1), TimeSpan.FromSeconds(0.3));
HiddenContent.BeginAnimation(Rectangle.MarginProperty, tas);
}
private void Grid_MouseEnter(object sender, MouseEventArgs e)
{
DoubleAnimation das = new DoubleAnimation(300, TimeSpan.FromSeconds(0.3));
Hidden.BeginAnimation(WidthProperty, das);
ThicknessAnimation tas = new ThicknessAnimation(new Thickness(10, 1, -2, -3), TimeSpan.FromSeconds(0.3));
HiddenContent.BeginAnimation(Rectangle.MarginProperty, tas);
//10,1,-2,-3
}