[WinForm] [DevExpress] [Treelist] Conditional hidden node checkbox

Key code:

        // <summary>        /// Hide checkbox        /// description        /// used in the Customdrawnodecheckbox event        //Eg:        ///Treelist _curtree = (treelist) sender;        //_curtree.hidecheckbox (n = n.getnodetype () = = Nodetype.area | | n.getnodetype () = = Nodetype.cabsgrouproot, e);         // </summary>        /// <param name= "tree" >TreeList</param>        /// <param name= "Conditionhanlder" > delegation </param>        /// <param name= "E" >CustomDrawNodeCheckBoxEventArgs</param>         Public Static voidHidecheckbox ( ThisTreelistnode Tree, predicate<treelistnode> Conditionhanlder, Customdrawnodecheckboxeventargs e) {if(Conditionhanlder (E.node)) {e.handled =true; }        }

Code use:

 void  lhtree_customdrawnodecheckbox (object<            /span> sender, Customdrawnodecheckboxeventargs e) {treelist _curtree = (treelist) sender;        _curtree.hidecheckbox (n = n.getnodetype () = = Nodetype.area | | n.getnodetype () = = Nodetype.cabsgrouproot, e); }

Code effects: