public VDPointThumb(Token token, string x, string y, Action update, bool notBound = false)
{
Token = token;
PropertyX = token.GetType().GetProperty(x);
PropertyY = token.GetType().GetProperty(y);
NotBound = notBound;
X = (double)PropertyX.GetValue(token);
Y = (double)PropertyY.GetValue(token);
DragDelta += OnDrag;
if (update != null)
{
Updated += update;
}
}
private void Update(double h, double v)
{
double dX = (double)PropertyX.GetValue(Token) + h;
double dY = (double)PropertyY.GetValue(Token) + v;
if (0.0 <= dX && dX <= Bounds.Width || NotBound)
{
X = dX;
}
if (0.0 <= dY && dY <= Bounds.Height || NotBound)
{
Y = dY;
}
PropertyX.SetValue(Token, X);
PropertyY.SetValue(Token, Y);
Updated?.Invoke();
}