private void SaveHistoryHelper(object comIStream, bool persistEntireJournal, out int entryIndex, out string uri, out string title)
{
string text;
title = (text = null);
uri = text;
entryIndex = -1;
if (this._appProxyInternal == null || !RemotingServices.IsTransparentProxy(this._appProxyInternal))
{
return;
}
DocObjHost.SecuritySuppressedIStream securitySuppressedIStream = comIStream as DocObjHost.SecuritySuppressedIStream;
if (securitySuppressedIStream == null)
{
return;
}
byte[] saveHistoryBytes = this._appProxyInternal.GetSaveHistoryBytes(persistEntireJournal, out entryIndex, out uri, out title);
if (saveHistoryBytes == null)
{
return;
}
int num = saveHistoryBytes.Length;
int num2 = 0;
securitySuppressedIStream.Write(saveHistoryBytes, num, out num2);
Invariant.Assert(num2 == num, "Error saving journal stream to native IStream");
}
internal static MemoryStream ExtractComStream(object comIStream)
{
DocObjHost.SecuritySuppressedIStream securitySuppressedIStream = comIStream as DocObjHost.SecuritySuppressedIStream;
if (securitySuppressedIStream == null)
{
throw new ArgumentNullException("comIStream");
}
MemoryStream memoryStream = new MemoryStream();
byte[] array = new byte[1024];
int num = 0;
do
{
num = 0;
securitySuppressedIStream.Read(array, 1024, out num);
memoryStream.Write(array, 0, num);
}while (num > 0);
Invariant.Assert(memoryStream.Length > 0L, "Error reading journal stream from native IStream");
return(memoryStream);
}
