public void NotifyPropertyChanged([CallerMemberName] string propertyName = null)
{
if (PropertyChanged != null)
{
WPFUtils.ExecuteOnUiThreadInvoke(() => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName)),
DispatcherPriority.Normal, propertyName);
}
}
public void AnimateToPoint(Point start, Point destination, Action postAction = null)
{
_isAnimating = true;
MagnifierCircle.Visibility = Visibility.Visible;
MagnifierInnerCircle.Visibility = Visibility.Visible;
Task task = Task.Factory.StartNew(() =>
{
Vector delta = destination - start;
if (delta.Length <= ANIM_THRESHOLD)
{
WPFUtils.ExecuteOnUiThreadInvoke(() => SetPosition(destination));
}
else //animate
{
double iterationCount = Math.Ceiling(delta.Length / ANIM_THRESHOLD); // every N points with 10 msec interval
double deltaX = delta.X / iterationCount;
double deltaY = delta.Y / iterationCount;
for (int i = 0; i < iterationCount; i++)
{
Point pos1 = new Point(start.X + i * deltaX, start.Y + i * deltaY);
WPFUtils.ExecuteOnUiThreadInvoke(() => SetPosition(pos1));
Thread.Sleep(20);
}
}
_isAnimating = false;
if (postAction != null)
{
postAction();
}
});
}
