public override void TouchesEnded(Foundation.NSSet touches, UIEvent evt)
{
base.TouchesEnded(touches, evt);
Image = DrawingImage;
PreviousImages.Add(Image);
LineAdded();
}
public void Undo()
{
if (PreviousImages.Count <= 1)
{
Image = new UIImage();
DrawingImage = new UIImage();
PreviousImages = new List <UIImage> ();
return;
}
PreviousImages.RemoveAt(PreviousImages.Count - 1);
Image = PreviousImages [PreviousImages.Count - 1];
DrawingImage = Image;
}
public void StartWith(UIImage image)
{
Image = image;
DrawingImage = image;
PreviousImages.Add(image);
}
