private static MetafileDefaultsReplacement ReadMetafileDefaultsReplacement(MetafileReader reader, CommandHeader commandHeader)
{
// this is a memory stream set by ReadCommandHeader, which contains 1..n commands itself.
// however, _reader is disposed after every run, so we need to keep this buffer around another way.
using (var replacementsStream = new MemoryStream())
{
reader._reader.BaseStream.CopyTo(replacementsStream);
replacementsStream.Position = 0;
var commands = new List <Command>();
while (true)
{
var command = reader.ReadCommand(replacementsStream);
if (command == null)
{
break;
}
commands.Add(command);
}
return(new MetafileDefaultsReplacement(commands.ToArray()));
}
}