// This function walks all watched files, collects changes, and updates state
private FileChangeList ComputeChangesAndUpdateState()
{
_version++;
var enumerator = new FileSystemChangeEnumerator(this, Path, EnumerationOptions);
while (enumerator.MoveNext())
{
// Ignore `.Current`
}
FileChangeList changes = enumerator.Changes;
foreach (FileState value in _state)
{
if (value._version != _version)
{
changes.AddRemoved(value.Directory, value.Path);
_state.Remove(value.Directory, value.Path);
}
}
return(changes);
}