public SABlock GetNextBlock(SABlock block, bool forward)
{
SA parentSA = block.ParentSA;
int indexBlock = parentSA.Blocks.IndexOf(block);
if (indexBlock != -1)
{
int nextIndex = indexBlock + (forward ? 1 : -1);
if (0 <= nextIndex && nextIndex < parentSA.Blocks.Count)
{
return(parentSA.Blocks[nextIndex]);
}
}
if (forward)
{
return(parentSA.GetFirstBlock());
}
else
{
return(parentSA.GetLastBlock());
}
}
