// VALIDATION EVENTS
private string InitValidation(string blockSize, string cacheSize, string sourceCode, bool IsMRU)
{
string err = string.Empty;
err += ValidateInput.IsBlockCacheSize(blockSize, "Block");
err += ValidateInput.IsBlockCacheSize(cacheSize, "Cache");
err += ValidateInput.HasCode(sourceCode);
//err += ValidateInput.IsReplaceAlgoSet(IsMRU);
return(err);
}