public VersionHistoryRegistry AddWithAutoKey(VersionHistory versionHistory)
{
if (versionHistory == null)
{
throw new ArgumentNullException("versionHistory");
}
if (VersionHistories == null)
{
VersionHistories = new VersionHistoryDictionary();
}
if (VersionHistories.ContainsKey(versionHistory.Id()))
{
throw new InvalidOperationException("重复注册: " + versionHistory.Id());
}
VersionHistories.Add(versionHistory.Id(), versionHistory);
return(this);
}
