void BeginRefreshing(bool isPulledRefresh)
{
var currentIconGeometryY = _refreshIcon.Geometry.Y;
var contentDistanceDiff = _maximumDistance - currentIconGeometryY;
var _refreshIconBeginAnimation = new Animation(v => _refreshIcon.Move(_refreshIcon.Geometry.X, currentIconGeometryY + (int)v), 0, contentDistanceDiff, Easing.Linear);
_refreshIconBeginAnimation.Commit(this, "RefreshIconBegin", length: _animationLength);
_refreshState = RefreshState.Loading;
_isRefreshing = true;
_refreshIcon.IsRunning = true;
Refreshing?.Invoke(this, EventArgs.Empty);
}
