請問一下
如何用vb確定所收到的jpeg檔案是否損毀
謝謝
如何用vb確定所收到的jpeg檔案是否損毀
謝謝
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- 1月 07 週三 200411:52
關於jpeg檔的問題(編號：32549)
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Private Sub Form_Load() On Error GoTo HERE: Picture1 = LoadPicture(App.Path & "\error.jpg") '測試損毀的jpg檔,整個程式就會當掉 HERE: Debug.Print Err.Description End Sub 我改用bcb來寫 void __fastcall TForm1::FormCreate(TObject *Sender) { try {Image1-＞Picture-＞LoadFromFile("C:\\2.jpg");} catch(Exception &E) {AnsiString res=E.Message;}//錯誤訊息是JPEG error #67,代表讀到未知格式檔案 } 最後使用Gfl SDK http://perso.wanadoo.fr/pierre.g/xnview/enhome.html Private Sub Form_Load() Dim PtrBitmap1 As Long Dim LoadParams As GFL_LOAD_PARAMS Dim FileInfo As GFL_FILE_INFORMATION gflLibraryInit gflGetDefaultLoadParams LoadParams Error = gflLoadBitmap(App.Path & "\error.jpg", PtrBitmap1, LoadParams, FileInfo) 'Error=6代表GFL_ERROR_UNKNOWN_FORMAT未知的格式 gflLibraryExit End Sub