[MonoDevelop] Help with Monodevelop.Dock

[alan battersby]

Hi,
I am using the Monodevelop.Dock dll in my own code.  I have no problems
in creating docking frames and layout but I dont know enough about
Monodevelop.Dock to solve my current problem which is not knowing the
code to find a hidden frame and open it to make it visible.  I have
created several types of graphical display and a couple of listviews
each in its own frame. The idea is that when an item is selected in a
listview it is displayed in a graphic window. There is no problem if the
display window is visible, I have all the code written and working. But
when an item is selected in the listview and its associated display
window is hidden then I get a System.NullReferenceException when the
display code calls drawingarea.GdkWindow.GetSize(out width,out
height);     in order to scale my drawing.  So when an item is selected
I would like to check if the display window is hidden and if so make it
visible. Any help would be appreciated.

Thanks  Alan