public static RibbonTab add_Group_developmentGuis(this RibbonTab tab)
{
if (tab.notNull())
{
tab.add_RibbonGroup("Development GUIs")
//.add_RibbonButton_Script("Simple Script Editor", show.S "ascx_Simple_Script_Editor.cs.o2")
.add_RibbonButton("Quick development GUI", () => open.scriptEditor()) //"ascx_Quick_Development_GUI.cs.o2")
.add_RibbonButton("O2 Development Environment", () => open.devEnvironment()) //"Util - O2 Development Environment.h2")
.add_RibbonButton_H2Script("Source Code Viewer", "Util - SourceCodeViewer.h2")
.add_RibbonButton_H2Script("Source Code Editor", "Util - SourceCodeEditor.h2")
.add_RibbonButton("O2 Object Model", () => open.o2ObjectModel());
}
return(tab);
}