//Return all currently visible items
private IEnumerable <FileSystemEntityViewModel> GetItems(FileSystemEntityViewModel fse)
{
var result = new[] { fse };
if (fse is FileViewModel || fse is ErrorItemViewModel)
{
return(result);
}
var dvm = (DirectoryViewModel)fse;
if (!dvm.IsExpanded.Value)
{
return(result);
}
var children = dvm.Items.Value.SelectMany(x => GetItems(x));
return(fse == this ? children : result.Concat(children));
}
//Return all currently visible items
private IEnumerable<FileSystemEntityViewModel> GetItems(FileSystemEntityViewModel fse) {
var result = new[] { fse };
if(fse is FileViewModel || fse is ErrorItemViewModel) return result;
var dvm = (DirectoryViewModel)fse;
if(!dvm.IsExpanded.Value) return result;
var children = dvm.Items.Value.SelectMany(x => GetItems(x));
return fse == this ? children : result.Concat(children);
}
