public override ArcFile TryOpen(ArcView file)
{
int version = file.View.ReadByte(4) * 10 + file.View.ReadByte(5) - '0' * 11;
if (file.View.ReadByte(6) != 0 || version < 10 || version > 12)
{
return(null);
}
using (var reader = new AbmpReader(file, version))
{
var dir = reader.ReadIndex();
if (null == dir || 0 == dir.Count)
{
return(null);
}
return(new ArcFile(file, this, dir));
}
}