Drop-down box pop-up tree structure, as shown in figure, Internet information, can be done with TreeListLookUpEdit controls, but can't find where is the change control,
Excuse me, need references which DLL, which is version? I use is DEV controls,

CodePudding user response:

https://documentation.devexpress.com/#WindowsForms/clsDevExpressXtraEditorsTreeListLookUpEdittopic

CodePudding user response:

DveExpress plug-in, my resources there