https://www.syncfusion.com/forums/56463/null-pointer-exception-with-setdockicon-where-dockingmanager-on-usercontrol
Null pointer exception with SetDockI... | WinForms Forums | Syncfusion
Forum Thread - Tools - Null pointer exception with SetDockIcon where DockingManager on UserControl. Browse other users' questions about...
null pointerexceptionwinformsforumssyncfusion