TRzCheckTree的使用 收藏
1. 判断状态:
if RzCheckTree1.Selected.StateIndex = 2 then
//则为选中状态
else if RzCheckTree1.Selected.StateIndex = 1 then
//则为未选中状态
else if RzCheckTree1.Selected.StateIndex = 3 then
//则为未全选状态
或者
if RzCheckTree1.ItemState[I] = csUnchecked then //为未选中状态
if RzCheckTree1.ItemState[I] = cschecked then //为选中状态
2: 设置
RzCheckTree1.ItemState[I] := csUnchecked //为未选中状态
RzCheckTree1.ItemState[I] := cschecked //为选中状态
权限树的创建
procedure CreatePermissionsTree(DataSet: TADOQuery; Tree: TRzCheckTree;
const TableName, aid, aname, quanXian: string);
const
ID_DEPT = 2;
var
nLevel: Integer;
pNodes: array[0..1023] of TTreeNode;
lpid, lpName, s: string;
begin
if DataSet = nil then Exit;
if Tree = nil then Exit;
if TableName = '' then Exit;
pNodes[0] := nil;
Tree.Items.Clear;
with DataSet do
begin
Close;
SQL.Clear;
s := Format('select * from %s order by %s', [TableName, aid]);
SQL.Text := s;
Open;
if IsEmpty then Exit;
First;
while not Eof do
begin
lpid := FindField(aid).AsString;
lpName := FindField(aname).AsString;
nLevel := Length(lpID) div ID_DEPT;
pNodes[nLevel] := Tree.Items.AddChild(pNodes[nLevel - 1], lpName);
if FindField('quanxian').AsBoolean then
pNodes[nLevel].StateIndex := 2
else pNodes[nLevel].StateIndex := 1;
Next;
end;
end;
end;