public static void AnimateColumn(ColumnDefinition col, GridLength to, Action postAction = null)
{
var da = new GridLengthAnimation();
da.Duration = TimeSpan.FromMilliseconds(300);
da.From = col.Width;
da.To = to;
//var ef = new BounceEase();
//ef.EasingMode = EasingMode.EaseOut;
//da.EasingFunction = ef;
da.FillBehavior = FillBehavior.Stop;
//col.Width = da.To;
da.Completed += (s, e) =>
{
if (postAction != null)
{
postAction();
}
else
{
col.Width = to;
}
};
col.BeginAnimation(ColumnDefinition.WidthProperty, da);
}
public static void AnimateRow(RowDefinition row, GridLength from, GridLength to, double duration = 500, Action postAction = null)
{
var animation = new GridLengthAnimation();
animation.Duration = TimeSpan.FromMilliseconds(duration);
animation.From = from;
animation.To = to;
//https://docs.microsoft.com/en-us/dotnet/framework/wpf/graphics-multimedia/easing-functions
var ef = new CubicEase();
ef.EasingMode = EasingMode.EaseOut;
animation.EasingFunction = ef;
animation.FillBehavior = FillBehavior.Stop;
//row.Height = animation.To;
animation.Completed += (s, e) =>
{
row.Height = to;
if (postAction != null)
{
postAction();
}
};
row.BeginAnimation(RowDefinition.HeightProperty, animation);
}
public void ShowRow(bool bShow, bool canHide)
{
CanHide = canHide;
InitialControlHeight = _container.Height;
Action postAction = () => PostAnimationAction(_container);
if (bShow)
{
if (_row.Height.Value == 0) //show
{
//_row.Height = InitialRowHeight;
GridLengthAnimation.AnimateRow(_row, InitialRowHeight, 500, postAction);
}
}
else
{
if (_row.Height.Value == InitialRowHeight.Value) //hide
{
//_row.Height = new GridLength(0);
GridLengthAnimation.AnimateRow(_row, new GridLength(0), 500, postAction);
}
}
}