reelist 復(fù)選框選中節(jié)點(diǎn)

reelist 復(fù)選框選中節(jié)點(diǎn)

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時(shí)間:2018-11-13

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1、查看文章?TreeList復(fù)選框選中節(jié)點(diǎn)2009-06-0417:32   1///treeLArea???:??TreeList;2///imglChecked:??ImageList;3///4///56//指定StateImageList7this.treelArea.StateImageList=this.imglChecked;89//treelArea的GetStateImage事件處理程序10privatevoidtreelArea_GetStateImage(objectsender,DevExpress.XtraTreeList.GetStateImageEvent

2、Argse)11{12????try13????{14?????????CheckStatecheckState=(CheckState)e.Node.GetValue("checkState");15?????????e.NodeImageIndex=(checkState==CheckState.Unchecked)?0:(checkState==CheckState.Checked?1:2);16?????}17?????catch(Exception)18????{1920  }2122}2324//鼠標(biāo)單擊事件處理25privatevoidtreelArea_MouseDo

3、wn(objectsender,MouseEventArgse)26{27?????if(e.Button==MouseButtons.Left)28?????{29?????????TreeListHitInfohitInfo=(senderasTreeList).CalcHitInfo(newPoint(e.X,e.Y));30?????????if(hitInfo.HitInfoType==HitInfoType.StateImage)31?????????{32?????????????SetCheckValue(hitInfo.Node);?????????????????

4、?33?????????}34?????}35}363738//設(shè)置節(jié)點(diǎn)狀態(tài)39????privatevoidSetCheckValue(TreeListNodenode)40?????{41?????????CheckStatecheckState=CheckState.Unchecked;42?????????if((CheckState)node.GetValue("checkState")==CheckState.Unchecked

5、

6、(CheckState)node.GetValue("checkState")==CheckState.Indeterminate)43???

7、??????{44?????????????checkState=CheckState.Checked;45?????????}46?????????node.TreeList.FocusedNode=node;47?????????node.TreeList.BeginUpdate();48?????????node.SetValue("checkState",checkState);49?????????SetParentCheckState(node,checkState);50?????????SetchildCheckState(node,checkState);51???

8、??????node.TreeList.EndUpdate();?????52?????}5354//遞歸設(shè)置父節(jié)點(diǎn)55?????privatevoidSetParentCheckState(TreeListNodenode,CheckStatecheckState)56?????{57?????????TreeListNodeparentNode=node.ParentNode;58?????????boolstyle=false;59?????????if(parentNode!=null)60?????????{?????????????61?????????????forea

9、ch(TreeListNode??ninparentNode.Nodes)62?????????????{63?????????????????if(!checkState.Equals((CheckState)n.GetValue("checkState")))64?????????????????{65?????????????????????style=true;66?????????????????????break;67?????????????

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