winform.pas.~5~

Delphi 2005程序设计教程_实例源文件和教学课件

unit WinForm;

interface

uses
  System.Drawing, System.Collections, System.ComponentModel,
  System.Windows.Forms, System.Data;

type
  TWinForm = class(System.Windows.Forms.Form)
  {$REGION 'Designer Managed Code'}
  strict private
    /// <summary>
    /// Required designer variable.
    /// </summary>
    Components: System.ComponentModel.Container;
    TabControl1: System.Windows.Forms.TabControl;
    TabPage1: System.Windows.Forms.TabPage;
    TabPage2: System.Windows.Forms.TabPage;
    ListBox1: System.Windows.Forms.ListBox;
    CheckedListBox1: System.Windows.Forms.CheckedListBox;
    Button1: System.Windows.Forms.Button;
    Button2: System.Windows.Forms.Button;
    Label1: System.Windows.Forms.Label;
    Label2: System.Windows.Forms.Label;
    TextBox1: System.Windows.Forms.TextBox;
    TextBox2: System.Windows.Forms.TextBox;
    Button3: System.Windows.Forms.Button;
    Button4: System.Windows.Forms.Button;
    Label3: System.Windows.Forms.Label;
    Label4: System.Windows.Forms.Label;
    /// <summary>
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    /// </summary>
    procedure InitializeComponent;
    procedure Button3_Click(sender: System.Object; e: System.EventArgs);
    procedure Button4_Click(sender: System.Object; e: System.EventArgs);
    procedure Button1_Click(sender: System.Object; e: System.EventArgs);
    procedure Button2_Click(sender: System.Object; e: System.EventArgs);
  {$ENDREGION}
  strict protected
    /// <summary>
    /// Clean up any resources being used.
    /// </summary>
    procedure Dispose(Disposing: Boolean); override;
  private
    { Private Declarations }
  public
    constructor Create;
  end;

  [assembly: RuntimeRequiredAttribute(TypeOf(TWinForm))]

implementation

{$AUTOBOX ON}

{$REGION 'Windows Form Designer generated code'}
/// <summary>
/// Required method for Designer support -- do not modify
/// the contents of this method with the code editor.
/// </summary>
procedure TWinForm.InitializeComponent;
type
  TArrayOfSystem_Object = array of System.Object;
begin
  Self.TabControl1 := System.Windows.Forms.TabControl.Create;
  Self.TabPage1 := System.Windows.Forms.TabPage.Create;
  Self.Button4 := System.Windows.Forms.Button.Create;
  Self.Button3 := System.Windows.Forms.Button.Create;
  Self.TextBox2 := System.Windows.Forms.TextBox.Create;
  Self.TextBox1 := System.Windows.Forms.TextBox.Create;
  Self.Label2 := System.Windows.Forms.Label.Create;
  Self.Label1 := System.Windows.Forms.Label.Create;
  Self.TabPage2 := System.Windows.Forms.TabPage.Create;
  Self.Label4 := System.Windows.Forms.Label.Create;
  Self.Label3 := System.Windows.Forms.Label.Create;
  Self.CheckedListBox1 := System.Windows.Forms.CheckedListBox.Create;
  Self.ListBox1 := System.Windows.Forms.ListBox.Create;
  Self.Button2 := System.Windows.Forms.Button.Create;
  Self.Button1 := System.Windows.Forms.Button.Create;
  Self.TabControl1.SuspendLayout;
  Self.TabPage1.SuspendLayout;
  Self.TabPage2.SuspendLayout;
  Self.SuspendLayout;
  // 
  // TabControl1
  // 
  Self.TabControl1.Controls.Add(Self.TabPage1);
  Self.TabControl1.Controls.Add(Self.TabPage2);
  Self.TabControl1.Location := System.Drawing.Point.Create(16, 16);
  Self.TabControl1.Name := 'TabControl1';
  Self.TabControl1.SelectedIndex := 0;
  Self.TabControl1.Size := System.Drawing.Size.Create(360, 240);
  Self.TabControl1.TabIndex := 0;
  // 
  // TabPage1
  // 
  Self.TabPage1.Controls.Add(Self.Button4);
  Self.TabPage1.Controls.Add(Self.Button3);
  Self.TabPage1.Controls.Add(Self.TextBox2);
  Self.TabPage1.Controls.Add(Self.TextBox1);
  Self.TabPage1.Controls.Add(Self.Label2);
  Self.TabPage1.Controls.Add(Self.Label1);
  Self.TabPage1.Location := System.Drawing.Point.Create(4, 21);
  Self.TabPage1.Name := 'TabPage1';
  Self.TabPage1.Size := System.Drawing.Size.Create(352, 215);
  Self.TabPage1.TabIndex := 0;
  Self.TabPage1.Text := '登录';
  // 
  // Button4
  // 
  Self.Button4.Location := System.Drawing.Point.Create(184, 144);
  Self.Button4.Name := 'Button4';
  Self.Button4.TabIndex := 5;
  Self.Button4.Text := '退出';
  Include(Self.Button4.Click, Self.Button4_Click);
  // 
  // Button3
  // 
  Self.Button3.Location := System.Drawing.Point.Create(80, 144);
  Self.Button3.Name := 'Button3';
  Self.Button3.TabIndex := 4;
  Self.Button3.Text := '登录';
  Include(Self.Button3.Click, Self.Button3_Click);
  // 
  // TextBox2
  // 
  Self.TextBox2.Location := System.Drawing.Point.Create(144, 88);
  Self.TextBox2.Name := 'TextBox2';
  Self.TextBox2.PasswordChar := '*';
  Self.TextBox2.Size := System.Drawing.Size.Create(128, 21);
  Self.TextBox2.TabIndex := 3;
  Self.TextBox2.Text := '';
  // 
  // TextBox1
  // 
  Self.TextBox1.Location := System.Drawing.Point.Create(144, 48);
  Self.TextBox1.Name := 'TextBox1';
  Self.TextBox1.Size := System.Drawing.Size.Create(128, 21);
  Self.TextBox1.TabIndex := 2;
  Self.TextBox1.Text := '';
  // 
  // Label2
  // 
  Self.Label2.Location := System.Drawing.Point.Create(64, 88);
  Self.Label2.Name := 'Label2';
  Self.Label2.Size := System.Drawing.Size.Create(48, 23);
  Self.Label2.TabIndex := 1;
  Self.Label2.Text := '密码';
  // 
  // Label1
  // 
  Self.Label1.Location := System.Drawing.Point.Create(64, 48);
  Self.Label1.Name := 'Label1';
  Self.Label1.Size := System.Drawing.Size.Create(48, 23);
  Self.Label1.TabIndex := 0;
  Self.Label1.Text := '用户名';
  // 
  // TabPage2
  // 
  Self.TabPage2.Controls.Add(Self.Label4);
  Self.TabPage2.Controls.Add(Self.Label3);
  Self.TabPage2.Controls.Add(Self.CheckedListBox1);
  Self.TabPage2.Controls.Add(Self.ListBox1);
  Self.TabPage2.Controls.Add(Self.Button2);
  Self.TabPage2.Controls.Add(Self.Button1);
  Self.TabPage2.Location := System.Drawing.Point.Create(4, 21);
  Self.TabPage2.Name := 'TabPage2';
  Self.TabPage2.Size := System.Drawing.Size.Create(352, 215);
  Self.TabPage2.TabIndex := 1;
  Self.TabPage2.Text := '选课';
  // 
  // Label4
  // 
  Self.Label4.Location := System.Drawing.Point.Create(208, 16);
  Self.Label4.Name := 'Label4';
  Self.Label4.Size := System.Drawing.Size.Create(64, 16);
  Self.Label4.TabIndex := 5;
  Self.Label4.Text := '已选课程';
  // 
  // Label3
  // 
  Self.Label3.Location := System.Drawing.Point.Create(16, 16);
  Self.Label3.Name := 'Label3';
  Self.Label3.Size := System.Drawing.Size.Create(72, 16);
  Self.Label3.TabIndex := 4;
  Self.Label3.Text := '所有课程';
  // 
  // CheckedListBox1
  // 
  Self.CheckedListBox1.Items.AddRange(TArrayOfSystem_Object.Create('数据挖掘', '计' +
        '算机基础', '大学英语', 'Delphi 2005程序设计教程', '军事理论', 'Visual C++.NET', '法律原理', 
          '数字电路', '经济学原理', '经济学基础', '精通Flash MX 2004', '信号处理'));
  Self.CheckedListBox1.Location := System.Drawing.Point.Create(16, 40);
  Self.CheckedListBox1.Name := 'CheckedListBox1';
  Self.CheckedListBox1.Size := System.Drawing.Size.Create(120, 164);
  Self.CheckedListBox1.TabIndex := 1;
  // 
  // ListBox1
  // 
  Self.ListBox1.ItemHeight := 12;
  Self.ListBox1.Location := System.Drawing.Point.Create(208, 40);
  Self.ListBox1.Name := 'ListBox1';
  Self.ListBox1.Size := System.Drawing.Size.Create(128, 160);
  Self.ListBox1.TabIndex := 0;
  // 
  // Button2
  // 
  Self.Button2.Location := System.Drawing.Point.Create(152, 120);
  Self.Button2.Name := 'Button2';
  Self.Button2.Size := System.Drawing.Size.Create(40, 23);
  Self.Button2.TabIndex := 3;
  Self.Button2.Text := '<<';
  Include(Self.Button2.Click, Self.Button2_Click);
  // 
  // Button1
  // 
  Self.Button1.Location := System.Drawing.Point.Create(152, 64);
  Self.Button1.Name := 'Button1';
  Self.Button1.Size := System.Drawing.Size.Create(40, 23);
  Self.Button1.TabIndex := 2;
  Self.Button1.Text := '>>';
  Include(Self.Button1.Click, Self.Button1_Click);
  // 
  // TWinForm
  // 
  Self.AutoScaleBaseSize := System.Drawing.Size.Create(6, 14);
  Self.ClientSize := System.Drawing.Size.Create(392, 269);
  Self.Controls.Add(Self.TabControl1);
  Self.Name := 'TWinForm';
  Self.Text := '选课';
  Self.TabControl1.ResumeLayout(False);
  Self.TabPage1.ResumeLayout(False);
  Self.TabPage2.ResumeLayout(False);
  Self.ResumeLayout(False);
end;
{$ENDREGION}

procedure TWinForm.Dispose(Disposing: Boolean);
begin
  if Disposing then
  begin
    if Components <> nil then
      Components.Dispose();
  end;
  inherited Dispose(Disposing);
end;

constructor TWinForm.Create;
begin
  inherited Create;
  //
  // Required for Windows Form Designer support
  //
  InitializeComponent;
  TabControl1.Controls.Remove(TabPage2);
  //
  // TODO: Add any constructor code after InitializeComponent call
  //
end;

procedure TWinForm.Button2_Click(sender: System.Object; e: System.EventArgs);
begin
  if ListBox1.SelectedIndex >=0 then
    ListBox1.Items.Remove(ListBox1.SelectedItem )
end;

procedure TWinForm.Button1_Click(sender: System.Object; e: System.EventArgs);
begin
  IF CheckedListBox1.SelectedIndex>=0 then
  begin
    if ListBox1.FindString(CheckedListBox1.SelectedItem.ToString)<>-1 then
      MessageBox.Show ('你已经选了这门课')
    else
      Listbox1.Items.Add(CheckedListBox1.SelectedItem) ;
  end;
end;

procedure TWinForm.Button4_Click(sender: System.Object; e: System.EventArgs);
begin
  Close;
end;

procedure TWinForm.Button3_Click(sender: System.Object; e: System.EventArgs);
begin
  if TextBox1.Text = '' then
    MessageBox.Show ('请输入用户名')
  else if TextBox2.Text = '' then
    MessageBox.Show ('请输入密码')
  else if (TextBox1.Text <>'zhaoyanduo' )or (TextBox2.Text <> 'author' )then
    MessageBox.Show ('用户名密码错误')
  else
  begin
    Tabcontrol1.Controls.Add(TabPage2);
    TabControl1.SelectedTab :=TabPage2;
  end;
end;

end.