To dream that you are shutting the blinds, can be interpreted as the action of declaring something to be untrue. It may symbolize that you are ignoring some problem in a situation or relationship. The dream may also be a pun on being blind and refusing to see the truth in something. Maybe you have something to hide from public eyes. Dreaming that you are opening the blinds, is interpreted as acceptance of current situation. Also, it is suggestion that you are ready to reveal important and personal information about something, that was previously unknown.
Read more about dreaming of Blinds in other dream meanings interpretations.