// opt: 1-below, 2-above, 3-replace
private static void Write(XClass cls, WriteOpt opt, string oldBlock, string newBlock)
{
string error = string.Empty;
switch (opt)
{
case WriteOpt.Below:
error = cls.WriteBelow(oldBlock, newBlock);
break;
case WriteOpt.Above:
error = cls.WriteAbove(oldBlock, newBlock);
break;
case WriteOpt.Replace:
error = cls.Replace(oldBlock, newBlock);
break;
}
if (!string.IsNullOrEmpty(error))
{
throw new System.Exception(error);
}
}