uselectclass.pas

delphi7.0 源码 学籍管理系统源码

unit uSelectClass;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Buttons, ComCtrls, uGlobe;

type
  TdlgSelectClass = class(TForm)
    tvClass: TTreeView;
    Label1: TLabel;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

function SelectClass: string;

implementation

uses uDM;

{$R *.dfm}
function SelectClass: string;
var
  dlgSelectClass: TdlgSelectClass;
begin
  dlgSelectClass := TdlgSelectClass.Create(nil);
  try
    Result := '';
    if dlgSelectClass.ShowModal = mrOK then
      if dlgSelectClass.tvClass.Selected.Level=2 then
        Result := GetClassName(dlgSelectClass.tvClass.Selected);
  finally
    FreeAndNil(dlgSelectClass);
  end;
end;

procedure TdlgSelectClass.FormCreate(Sender: TObject);
begin
  tvClass.LoadFromFile(GradeTreeFileName);
  tvClass.FullExpand;
end;

end.