public void Prev()
{
if (SongsIndexHistory.Count > 0)
{
this.index = SongsIndexHistory.Pop();
}
}
public void Next()
{
if (Songs.Count > 1)
{
int tmpIndex = -1;
while (true)
{
tmpIndex = random.Next(0, Songs.Count);
if (tmpIndex != index)
{
break;
}
}
if (tmpIndex > 0 && tmpIndex < Songs.Count)
{
SongsIndexHistory.Push(index);
index = tmpIndex;
}
}
else
{
First();
}
}
public void First()
{
index = 0;
SongsIndexHistory.Push(index);
}
