I tried in small application.Behaviour is same.This does not happens when you use Winhelp API with command HELP_KEY for hlp files.It behaves strange for HTMLHELP.

Check out CStdioFile, it will do what you want. Also you can use regular C++ iostreams (e.g., ifstream and ofstream) to be more "standard" or if you aren't using MFC. MSDN has docs for all of these. "When a man sits with a pretty girl for an hour, it seems like a minute. But let him sit on a hot stove for a minute and it's longer than any hour. That's relativity." - Albert Einstein

Just because it was written in C# doesn't change the underlying techniques. Create a file stream, read the the image bytes into the steam, assign stream to store procedure variable, execute the procedure.

http://www.codeproject.com/database/caaadoclass1.asp[^] Use the CADORecordset::AppendChunk method. My question for you is what type of database connection are you using? This code is for ADO only and I know Oracle can use ADO. John