unit1.pas

Delphi编程实效百例的随书程序 这是其中的界面操作部分

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, FileCtrl;

type
  TForm1 = class(TForm)
    DriveComboBox1: TDriveComboBox;
    FileListBox1: TFileListBox;
    FilterComboBox1: TFilterComboBox;
    DirectoryListBox1: TDirectoryListBox;
    Edit1: TEdit;
    procedure DirectoryListBox1Change(Sender: TObject);
    procedure DriveComboBox1Change(Sender: TObject);
    procedure FileListBox1Change(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.DirectoryListBox1Change(Sender: TObject);
begin
  form1.FileListBox1.Directory:=form1.DirectoryListBox1.Directory;
end;

procedure TForm1.DriveComboBox1Change(Sender: TObject);
begin
  form1.DirectoryListBox1.Drive:=form1.DriveComboBox1.Drive;
end;

procedure TForm1.FileListBox1Change(Sender: TObject);
begin
  edit1.text:=filelistbox1.Directory+'\'+edit1.text;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  Form1.DriveComboBox1.Drive:='d';
  Form1.DirectoryListBox1.Directory:='d:\delphi';
  Form1.FileListBox1.FileEdit:=Form1.Edit1;
  Form1.FilterComboBox1.FileList:=Form1.FileListBox1;
end;

end.