public override int Read(byte[] buffer, int offset, int count)
{
if (count > 0)
{
byte[] readBuffer = (offset == 0 ? buffer : new byte[count]);
uint ucount = (uint)count;
uint ret = RemotableNativeMethods.MsiRecordReadStream((int)this.record.Handle, (uint)this.field, buffer, ref ucount);
if (ret != 0)
{
throw InstallerException.ExceptionFromReturnCode(ret);
}
count = (int)ucount;
if (offset > 0)
{
Array.Copy(readBuffer, 0, buffer, offset, count);
}
this.position += count;
}
return(count);
}