private void UpdateMuxItems()
{
for(int i = 0; i < muxlistitems.Length; i++)
{
int realindex = muxlistoffset + i;
if(realindex < muxfileitems.Length)
{
muxlistitems[i].Visible = true;
muxlistitems[i].Text = Path.GetFileNameWithoutExtension(muxfileitems[realindex]);
}
else
{
muxlistitems[i].Visible = false;
}
}
}