Navigation Menu window container PANEL control folding

window container PANEL control folding

https://stackoverflow.com/questions/19524787/dynamic-collapse-panel-creation-in-windows-forms-c-sharp

https://www.codeproject.com/Articles/18248/Navigation-Menu-for-Windows-Forms-Outlook-Bar-Styl

https://www.codeproject.com/Tips/834853/How-to-Create-a-Simple-Expandable-Collapsible-Pane

https://docs.microsoft.com/en-us/windows/win32/uxguide/ctrl-tree-views

https://www.codeproject.com/Articles/389515/Column-based-selection-in-rich-edit-control

https://www.codeproject.com/Articles/161871/Fast-Colored-TextBox-for-syntax-highlighting-2

https://stackoverflow.com/questions/3840898/treeview-to-control-panels

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