請教 showMessage('no file found') error |
答題得分者是:william
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rookie
一般會員 發表:26 回覆:38 積分:12 註冊:2003-04-23 發送簡訊給我 |
請教
如何使用ShowMessage() 我每次用都會出現這個Error 謝謝 [Warning] Unit2.pas(6): Unit 'FileCtrl' is specific to a platform
[Warning] Unit2.pas(6): Unit 'ShellCtrls' is specific to a platform
[Error] Unit2.pas(64): Undeclared identifier: 'showMessage'
[Fatal Error] Project3.dpr(6): Could not compile used unit 'Unit2.pas' unit Unit2; interface uses Windows, SysUtils, Classes, Graphics, Forms, Controls, StdCtrls,
Buttons, ComCtrls, ExtCtrls, FileCtrl, ShellCtrls, Messages; type
TPagesDlg1 = class(TForm)
Panel1: TPanel;
Panel2: TPanel;
PageControl1: TPageControl;
TabSheet1: TTabSheet;
TabSheet2: TTabSheet;
TabSheet3: TTabSheet;
OKBtn: TButton;
CancelBtn: TButton;
HelpBtn: TButton;
Edit1: TEdit;
DriveComboBox1: TDriveComboBox;
Label1: TLabel;
DirectoryListBox1: TDirectoryListBox;
FileListBox1: TFileListBox;
Edit2: TEdit;
Button1: TButton;
Memo1: TMemo;
procedure FileListBox1Change(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end; var
PagesDlg1: TPagesDlg1; implementation {$R *.dfm} procedure TPagesDlg1.FileListBox1Change(Sender: TObject); VAR FILENAME : STRING;
TF : TEXTFILE;
STR : STRING; begin
MEMO1.Lines.Clear;
Edit1.Text := SysUtils.GetCurrentDir;
FILENAME :=FileListBox1.FileName;
IF FileExists(FILENAME)= TRUE THEN
begin
AssignFile(TF,FILENAME);
RESET(TF);
While NOT EOF(TF) DO
BEGIN
READLN(TF,STR);
MEMO1.Lines.Add(STR);
End;
CloseFile(TF); END ELSE
begin
showMessage('no file found'); <<------- Error
end; end; end.
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william
版主 發表:66 回覆:2535 積分:3048 註冊:2002-07-11 發送簡訊給我 |
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channel
尊榮會員 發表:67 回覆:707 積分:854 註冊:2002-05-02 發送簡訊給我 |
引言: 請教 如何使用ShowMessage() 我每次用都會出現這個Error 謝謝 [Warning] Unit2.pas(6): Unit 'FileCtrl' is specific to a platform [Warning] Unit2.pas(6): Unit 'ShellCtrls' is specific to a platform [Error] Unit2.pas(64): Undeclared identifier: 'showMessage' [Fatal Error] Project3.dpr(6): Could not compile used unit 'Unit2.pas' unit Unit2; interface uses Windows, SysUtils, Classes, Graphics, Forms, Controls, StdCtrls, Buttons, ComCtrls, ExtCtrls, FileCtrl, ShellCtrls, Messages, Dialogs; type TPagesDlg1 = class(TForm) Panel1: TPanel; Panel2: TPanel; PageControl1: TPageControl; TabSheet1: TTabSheet; TabSheet2: TTabSheet; TabSheet3: TTabSheet; OKBtn: TButton; CancelBtn: TButton; HelpBtn: TButton; Edit1: TEdit; DriveComboBox1: TDriveComboBox; Label1: TLabel; DirectoryListBox1: TDirectoryListBox; FileListBox1: TFileListBox; Edit2: TEdit; Button1: TButton; Memo1: TMemo; procedure FileListBox1Change(Sender: TObject); private { Private declarations } public { Public declarations } end; var PagesDlg1: TPagesDlg1; implementation {$R *.dfm} procedure TPagesDlg1.FileListBox1Change(Sender: TObject); VAR FILENAME : STRING; TF : TEXTFILE; STR : STRING; begin MEMO1.Lines.Clear; Edit1.Text := SysUtils.GetCurrentDir; FILENAME :=FileListBox1.FileName; IF FileExists(FILENAME)= TRUE THEN begin AssignFile(TF,FILENAME); RESET(TF); While NOT EOF(TF) DO BEGIN READLN(TF,STR); MEMO1.Lines.Add(STR); End; CloseFile(TF); END ELSE begin showMessage('no file found'); <<------- Error end; end; end.加上紅色的部份,應該就可以了... ~小弟淺見,參考看看~
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~小弟淺見,參考看看~ |
rookie
一般會員 發表:26 回覆:38 積分:12 註冊:2003-04-23 發送簡訊給我 |
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