There's a pretty good walkthrough here that includes a toggle command to open/close a dockable window: http://help.arcgis.com/en/sdk/10.0/arcobjects_net/conceptualhelp/index.html#//00010000048s000000 The problem I'm having is trying to load info into my controls on the window when it is opened. The load event only seems to work when the window is first created, not everytime it opens, like a form.
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