void History()
{
if (WorkingImg != null)
{
if (HistoryImg.Count < 20)
{
HistoryImg.Add(WorkingImg.Clone());
}
else
{
HistoryImg.RemoveAt(0);
History();
}
}
}
void Back()
{
if (HistoryImg.Count > 1)
{
WorkingImg = HistoryImg[HistoryImg.Count - 2].Clone();
HistoryImg.RemoveAt(HistoryImg.Count - 1);
imageBox1.Image = WorkingImg;
var num = rtxLog.Lines.Length - 2;
rtxLog.Lines = rtxLog.Lines.Take(num).ToArray();
rtxLog.AppendText(Environment.NewLine);
}
else if (HistoryImg.Count == 1)
{
WorkingImg = HistoryImg[0].Clone();
HistoryImg.RemoveAt(0);
imageBox1.Image = WorkingImg;
rtxLog.AppendText(Environment.NewLine);
}
}
