title: How to change the active mdi child?
body: <p>Well this maybe is simple but I cannot nail it.<br>
  I have a win forms application with a from as  Mdi Container with <strong>n</strong> mdi childs.
  How to set ActiveMdiChild ?<br>
  For example i have 4 mdi childs (0,1,2,3) and i want to pass the appropriate data to each one...but only the active gets the data..</p>