Io Error 1784
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Tag Search Advanced Search Go to Page... Thread Tools Display Modes #1 12-09-2003, 03:27 PM Jurij Dreo Junior Member Join Date: Jan 2001 Posts: 12 EInOutError: I/O Error 1784 Hey, I've been trying to crack this for the past hour and my nerves are ... well, you know I could't find a reference to this error code neither in the help files nor in past posts here... so here goes: This is the EXACT procedure http://stackoverflow.com/questions/11287901/blockwrite-i-o-error-1784 that produces this error: ----------------------------------------------- procedure TForm1.Button1Click(Sender: TObject); var Imenik: String; KonstDatoteka: file of Word; KonstTabela: array of Word; ID,N: LongWord; Vrsta,n1,n2: Word; begin ID:=100; Vrsta:=0; N:=1000000; n1:=2; n2:=3; SetLength(KonstTabela,N); Imenik:='C:\PreKog\Sim1\'; //ustvarimo datoteko .con AssignFile(KonstDatoteka,Imenik+'Bitja\'+IntToStr( ID)+'-'+IntToStr(Vrsta)+'.con'); Rewrite(KonstDatoteka); Write(KonstDatoteka,n1); Write(KonstDatoteka,n2); BlockWrite(KonstDatoteka,KonstTabela,N); CloseFile(KonstDatoteka); end; ----------------------------------------------- Ok, a lot of the stuff there really isn't important, what is important however is http://www.delphipages.com/forum/showthread.php?t=105134 the following: - the debugger highlits the line with the BlockWrite statement so the problem is there - the really WEIRD part is that if I lower the 'N' variable to 3338 no error is reported! - I really need N to go higher than 3338... obviously Why doesn't BlockWrite work? And what in gods name is I/O error 1784 ... the help file only explains codes up to 107 Thanks for any ideas. Jurij Dreo View Public Profile Send a private message to Jurij Dreo Visit Jurij Dreo's homepage! Find all posts by Jurij Dreo #2 12-09-2003, 04:02 PM Bashk Senior Member Join Date: Nov 2001 Posts: 349 RE: EInOutError: I/O Error 1784 Error code 1784 means that the supplied user buffer is not valid for the requested operation. KonstTabela must be larger! If you answer I'm grateful, otherwise you should and press "Accept as Answer" Bashk Bashk View Public Profile Send a private message to Bashk Visit Bashk's homepage! Find all posts by Bashk #
also > tried using a textfile, but I lose data whenever the data contains a > #26. I've been wrestling with this for 2 days already. Can anyone > point out my mistake? Did http://www.delphigroups.info/2/d2/417407.html you tell the comport object to use binary transfer? (I can't be more http://www.windowshelper.org/17/I_O_Error_1784.html specific because I don't know what TComPort class you're talking about - there are various with that name) -- Ben Marc Pelletie Delphi Developer Wed, 02 May 2007 03:45:44 GMT Re:I/O error 1784 with OpenWriteClose using BlockWrite Ben Hochstrasser
2016 SmartPCFixer will identify your PC issues in 2 minutes. SmartPCFixer full features registration is $29.97 for one year. Was this helpful? 99 Votes Summary of I O Error 1784 It's quite normal for PCs for being unstable over time,we've all experienced it.First, you start to see random and confusing I O Error 1784 messages. Next, you may notice you're getting slower and slower responses from a software. And then the crashes and lockups kick in when you're in the heart of something important.These aggravating I O Error 1784 not merely slow your PC down and send your frustration levels sky-high, but tend to cause your laptop or computer to become practically unusable. Cause of I O Error 1784 The sources of I O Error 1784 might be wide-ranging. I O Error 1784 matched to how Windows systems were created while others just range from wear and tear that comes about with everyday use: creating and deleting files, adding and removing programs, and attaching printers, cameras as well as other gadgets.One example is, take the previous printer you got rid of, last year your computer doesn't know it's gone as well as various|numbers of components on your laptop remain looking for it. The result Strange I O Error 1784 messages pop-up any time you restart your PC or attempt to print a document, system conflicts obstruct the efficient processing of your new printer, and everything slows as your PC wastes its resources needlessly looking for obsolete and outdated settings. Best Answer: This sort of problem as well as countless other hard drive, configuration and system I O Error 1784 that creep up as time passingare just what? SmartPCFixer can fix. SmartPCFixer finds these I O Error 1784 and corrupted settings, whether or not they be on hard disks or hidden deep inside the registry, and safely repairs them. We highly recommended that you fix I O Error 1784 before it causes serious issues with your computer! Follow these 3 steps to resolve I O Error 1784 easily: Click the belo