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, ColorGrd;

type
  TForm1 = class(TForm)
    Memo1: TMemo;
    ColorGrid1: TColorGrid;
    Button1: TButton;
    Button2: TButton;
    CheckBox1: TCheckBox;
    CheckBox2: TCheckBox;
    Button3: TButton;
    Button4: TButton;
    OpenDialog1: TOpenDialog;
    SaveDialog1: TSaveDialog;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure ColorGrid1Change(Sender: TObject);
    procedure CheckBox1Click(Sender: TObject);
    procedure CheckBox2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
begin
form1.Memo1.color:=form1.ColorGrid1.BackgroundColor;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
memo1.color:=form1.colorgrid1.ForegroundColor;
end;

procedure TForm1.ColorGrid1Change(Sender: TObject);
begin
memo1.Font.color:=form1.ColorGrid1.ForegroundColor;
memo1.color:=form1.ColorGrid1.backgroundcolor;
end;

procedure TForm1.CheckBox1Click(Sender: TObject);
begin
if form1.CheckBox1.Checked then
form1.Memo1.Font.color:=rgb(random(255),random(255),random(255));

end;

procedure TForm1.CheckBox2Click(Sender: TObject);
begin
if form1.CheckBox2.Checked then
form1.Memo1.color:=rgb(random(255),random(255),random(255));
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
if opendialog1.Execute then
memo1.Lines.LoadFromFile(opendialog1.filename);

end;

procedure TForm1.Button4Click(Sender: TObject);
begin
if  savedialog1.Execute then
memo1.Lines.SaveToFile(savedialog1.filename);
end;

end.