unit2.pas

万能数据库查询客户端源码

unit Unit2;

interface

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

type
  TForm2 = class(TForm)
    GroupBox1: TGroupBox;
    ListBox1: TListBox;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    procedure FormShow(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
    procedure BitBtn2Click(Sender: TObject);
    procedure ListBox1DblClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form2: TForm2;

implementation

uses Unit1;

{$R *.dfm}

procedure TForm2.BitBtn1Click(Sender: TObject);
begin
  if (listbox1.Count=0) or (listbox1.ItemIndex=-1)  then exit;
  Form1.Edit1.Text:=listbox1.Items.Strings[listbox1.ItemIndex];
end;

procedure TForm2.BitBtn2Click(Sender: TObject);
begin
  close;
end;

procedure TForm2.FormShow(Sender: TObject);
var rg_List:TRegistry;ts_OdbcList:TStrings;
begin
  rg_List:=TRegistry.Create;
  ts_OdbcList:=TStringList.Create;
  ListBox1.Clear;
  rg_List.RootKey:=HKEY_CURRENT_USER;
  rg_List.OpenKey('Software\ODBC\ODBC.INI',false);
  rg_List.GetKeyNames(ts_OdbcList);
  ListBox1.Items.AddStrings(ts_OdbcList);
  rg_List.CloseKey;
  rg_List.Free;
  ts_OdbcList.Free;
end;

procedure TForm2.ListBox1DblClick(Sender: TObject);
begin
  if (listbox1.Count=0) or (listbox1.ItemIndex=-1)  then exit;
  Form1.Edit1.Text:=listbox1.Items.Strings[listbox1.ItemIndex];
  close;
end;

end.