RzCheckTree基本使用
procedure TForm1.Button1Click(Sender: TObject); var i: Integer; begin //循环读取勾选节点代码及内容 //StateIndex 1:unchecked(未选择) 2:checked(选择) 3:indeterminate(不确定的) for i := 0 to RzCheckTree1.Items.Count - 1 do begin if RzCheckTree1.Items[i].StateIndex = 2 then begin //VarToStr(RzCheckTree1.Items[i].Index); //读取节点标识序号 //RzCheckTree1.Items[i].Text; // 读取节点值 Memo1.Lines.Add(RzCheckTree1.Items[i].Text); end; // 另一种判断方式 // if RzCheckTree1.ItemState[i] = csChecked then // begin // Memo1.Lines.Add(RzCheckTree1.Items[i].Text); // end; end; end;
procedure TForm1.Button2Click(Sender: TObject); begin //展开全部节点 RzCheckTree1.FullExpand; end;
procedure TForm1.Button3Click(Sender: TObject); begin //关闭全部节点 RzCheckTree1.FullCollapse; end;
procedure TForm1.Button4Click(Sender: TObject); var i: Integer; begin //全部选择 //StateIndex 1:unchecked(未选择) 2:checked(选择) 3:indeterminate(不确定的) for i := 0 to RzCheckTree1.Items.Count - 1 do begin RzCheckTree1.Items[i].StateIndex := 2; end; end;
procedure TForm1.Button5Click(Sender: TObject); var i: Integer; begin //全部取消选择 //StateIndex 1:unchecked(未选择) 2:checked(选择) 3:indeterminate(不确定的) for i := 0 to RzCheckTree1.Items.Count - 1 do begin RzCheckTree1.Items[i].StateIndex := 1; end; end;
procedure TForm1.Button6Click(Sender: TObject); var i: Integer; begin //反选 //StateIndex 1:unchecked(未选择) 2:checked(选择) 3:indeterminate(不确定的) for i := 0 to RzCheckTree1.Items.Count - 1 do begin if RzCheckTree1.Items[i].StateIndex = 1 then RzCheckTree1.Items[i].StateIndex := 2 else RzCheckTree1.Items[i].StateIndex := 1; end; end;
procedure TForm1.Button7Click(Sender: TObject); var i: Integer; begin //读取全部父节点 for i := 0 to RzCheckTree1.Items.Count - 1 do begin if RzCheckTree1.Items[i].Level = 0 then Memo1.Lines.Add(RzCheckTree1.Items[i].Text); end; end;
procedure TForm1.Button8Click(Sender: TObject); var i: Integer; begin //读取全部第二级子节点 for i := 0 to RzCheckTree1.Items.Count - 1 do begin if RzCheckTree1.Items[i].Level = 1 then Memo1.Lines.Add(RzCheckTree1.Items[i].Text); end; end;
本文来自博客园,作者:liessay,转载请注明原文链接:https://www.cnblogs.com/liessay/p/7194212.html