procedure TMainForm.TreeView1DblClick(Sender: TObject);
var
lform : TYDKH;
lbtn : TButton;
begin
if TreeView1.Selected.Text = '年度考核查询' then
begin
lform := TYDKH.Create(self.Context);
lform.FormStyle := TFormStyle.fsMDIChild;// fsMDIChild;
lform.Parent := Panel4;
lform.Show;