// move
public string Move(double positionX, double positionY)
{
if (_isSelected == null && _isPressed)
{
SetShape(positionX - _firstPointX, positionY - _firstPointY);
_model.NotifyModelChanged();
}
else if (_isSelected != null)
{
SelectMode(positionX, positionY);
_model.NotifyModelChanged();
if (_sizedMode == -1)
{
return(SIZE_ALL);
}
}
if (_selected != -1 && _shapes.Count != 0 && _isSelected == null)
{
return(CheckAnchor(positionX, positionY));
}
return(DEFAULT);
}
