private object ControlFromFile(IFileSystemItem fileSystemItem)
{
if (fileSystemItem == null)
{
return(null);
}
else if (fileSystemItem is IFile file)
{
return(FillFile(file));
}
else if (fileSystemItem is IDirectory directory)
{
return(FillDirectory(directory));
}
else
{
throw new NotImplementedException($"{fileSystemItem.GetType().Name} is not yet supported.");
}
}