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DOS/V Power Report 1997 March
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VPR9703A.ISO
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VPR_DATA
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PROGRAM
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DELPHI
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9702
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MEMOFORM.PAS
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Pascal/Delphi Source File
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1996-10-28
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3KB
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142 lines
unit memoform;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, Menus, ComCtrls;
type
TForm1 = class(TForm)
MainMenu1: TMainMenu;
File1: TMenuItem;
Exit1: TMenuItem;
N1: TMenuItem;
PrintSetup1: TMenuItem;
Print1: TMenuItem;
N2: TMenuItem;
SaveAs1: TMenuItem;
Save1: TMenuItem;
Open1: TMenuItem;
New1: TMenuItem;
Help1: TMenuItem;
About1: TMenuItem;
HowtoUseHelp1: TMenuItem;
SearchforHelpOn1: TMenuItem;
Contents1: TMenuItem;
OpenDialog1: TOpenDialog;
SaveDialog1: TSaveDialog;
RichEdit1: TRichEdit;
procedure Open1Click(Sender: TObject);
procedure SaveAs1Click(Sender: TObject);
procedure New1Click(Sender: TObject);
procedure About1Click(Sender: TObject);
procedure Save1Click(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
procedure Exit1Click(Sender: TObject);
private
{ Private 宣言 }
public
FileName: string;
function VerifyModified: Boolean;
end;
var
Form1: TForm1;
implementation
uses memoabt;
{$R *.DFM}
procedure TForm1.Exit1Click(Sender: TObject);
begin
Close;
end;
procedure TForm1.Open1Click(Sender: TObject);
begin
if VerifyModified then
begin
if OpenDialog1.Execute then
begin
FileName := OpenDialog1.FileName;
Caption := 'メモ帳 - ' + FileName;
RichEdit1.Lines.LoadFromFile(FileName);
RichEdit1.Modified := False;
end;
end;
end;
procedure TForm1.SaveAs1Click(Sender: TObject);
begin
if SaveDialog1.Execute then
begin
FileName := SaveDialog1.FileName;
Caption := 'メモ帳 - ' + FileName;
RichEdit1.Lines.SaveToFile(FileName);
RichEdit1.Modified := False;
end
else
Abort;
end;
procedure TForm1.New1Click(Sender: TObject);
begin
if VerifyModified then
begin
FileName := 'Untitled';
Caption := 'メモ帳 - ' + FileName;
RichEdit1.Lines.Clear;
RichEdit1.Modified := False;
end;
end;
procedure TForm1.About1Click(Sender: TObject);
begin
AboutBox.ShowModal;
end;
procedure TForm1.Save1Click(Sender: TObject);
begin
if FileName = 'Untitled' then
SaveAs1Click(Sender)
else
begin
RichEdit1.Lines.SaveToFile(FileName);
RichEdit1.Modified := False;
end;
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
FileName := 'Untitled';
Caption := 'メモ帳 - ' + FileName;
end;
function TForm1.VerifyModified: Boolean;
var
Ret: Word;
begin
Result := True;
if RichEdit1.Modified then
begin
Ret := MessageDlg('テキストは変更されています。保存しますか?',
mtConfirmation, mbYesNoCancel, 0);
case Ret of
mrYes: Save1Click(Self);
mrNo: ;
mrCancel: Result := False;
end;
end;
end;
procedure TForm1.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
begin
CanClose := VerifyModified;
end;
end.