private void WriteHeader(EntryId.EntryIdFlags flags, byte[] buffer)
{
int num = 0;
num += ExBitConverter.Write((int)flags, buffer, num);
num += ExBitConverter.Write(this.providerGuid, buffer, num);
num += ExBitConverter.Write(1, buffer, num);
num += ExBitConverter.Write((int)this.displayType, buffer, num);
}
internal static bool TryParse(byte[] buffer, out EntryId entryId)
{
entryId = null;
if (buffer.Length < 28)
{
return(false);
}
EntryId.EntryIdFlags entryIdFlags = (EntryId.EntryIdFlags)BitConverter.ToInt32(buffer, 0);
Guid a = ExBitConverter.ReadGuid(buffer, 4);
int num = BitConverter.ToInt32(buffer, 20);
EntryId.DisplayType displayType = (EntryId.DisplayType)BitConverter.ToInt32(buffer, 24);
if (num != 1)
{
return(false);
}
if (entryIdFlags == EntryId.EntryIdFlags.Permanent)
{
if (buffer.Length < 29 || buffer[buffer.Length - 1] != 0 || a != EntryId.ExchangeProviderGuid)
{
return(false);
}
string @string = Encoding.ASCII.GetString(buffer, 28, buffer.Length - 28 - 1);
entryId = new EntryId(displayType, @string);
return(true);
}
else
{
if (entryIdFlags != EntryId.EntryIdFlags.Ephemeral)
{
return(false);
}
if (buffer.Length != 32)
{
return(false);
}
entryId = new EntryId(displayType, a, BitConverter.ToInt32(buffer, 28));
entryId.bytes = buffer;
return(true);
}
}
