Added OpenToolView and CloseToolView for IGui. Added LegendView toggle button to ribbon. Moved Commands in Commands sub dir. Extracted IOxyPlotGuiPlugin with specific OxyPlot Gui related member definitions. Added simple LegendView. Moved command initialization logic to OxyPlotGuiPlugin Related to Issue [WTI-272] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@1509 5a3db67b-de53-47b5-99c8-a1c30a6650e2