private void Fix_ItemCheck(object sender, ItemCheckEventArgs e)
{
int fixedCount = Fixed.Sum(x => x ? 1 : 0);
if (e.NewValue == CheckState.Unchecked)
{
Fixed[e.Index] = false;
return;
}
if (fixedCount == 6)
{
e.NewValue = e.CurrentValue;
}
else
{
if (Excluded[e.Index])
{
Exclude.SetItemCheckState(e.Index, CheckState.Unchecked);
}
Fixed[e.Index] = true;
}
}