delphi 10.2 ----memo 的例子实现基本记事本功能

最新推荐文章于 2018-10-17 15:07:00 发布

转载最新推荐文章于 2018-10-17 15:07:00 发布 · 360 阅读

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原文链接：http://www.cnblogs.com/baili-luoyun/p/9797872.html

本文介绍了一个使用Delphi编写的窗体应用，该应用包含多个按钮和文本框，用于实现文本的复制、剪切、粘贴、添加、从文件加载和保存到文件等功能。通过实例演示了如何在Delphi中进行基本的文本处理和文件操作。

unit Unit2;

interface

uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls;

type
TForm2 = class(TForm)
Memo1: TMemo;
SaveDialog1: TSaveDialog;
OpenDialog1: TOpenDialog;
Button1: TButton;
Button2: TButton;
Button3: TButton;
Button4: TButton;
Button5: TButton;
Button6: TButton;
Memo2: TMemo;
Label1: TLabel;
Label2: TLabel;
procedure Edit1Change(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button5Click(Sender: TObject);
procedure Button6Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form2: TForm2;

implementation

{$R *.dfm}

procedure TForm2.Button1Click(Sender: TObject);
begin
memo2.Lines.Add(memo1.Lines.Text) ;
end;

procedure TForm2.Button2Click(Sender: TObject);
begin
if memo2.SelLength>0 then
memo2.CutToClipboard;

end;

procedure TForm2.Button3Click(Sender: TObject);
begin
if memo2.SelLength >0 then
memo2.CopyToClipboard;
end;

procedure TForm2.Button4Click(Sender: TObject);
begin
if memo2.SelLength = 0 then
memo2.PasteFromClipboard;

end;

procedure TForm2.Button5Click(Sender: TObject);
begin
if savedialog1.Execute then
memo2.Lines.SaveToFile(savedialog1.FileName);

end;

procedure TForm2.Button6Click(Sender: TObject);
begin
if opendialog1.Execute then
memo2.Lines.LoadFromFile(opendialog1.FileName);
end;

procedure TForm2.Edit1Change(Sender: TObject);
begin
memo1.Lines[0]:='aaaaa';
end;

转载于:https://www.cnblogs.com/baili-luoyun/p/9797872.html

delphi 10.2 ----memo 的例子 实现基本记事本功能

delphi 10.2 ----memo 的例子实现基本记事本功能