Delphi Cannot Open Clipboard Error
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Cannot Open Clipboard Error In Excel 2007
Business Learn more about hiring developers or posting ads with us Stack Overflow Questions cannot open clipboard access is denied Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, cannot open clipboard excel 2013 just like you, helping each other. Join them; it only takes a minute: Sign up How can I fix “Cannot open clipboard: Access Denied” errors? up vote 12 down vote favorite 7 I am using the
Skype Clipboard Access Denied
following code to copy text to the clipboard: Clipboard.Open; try Clipboard.AsText := GenerateClipboardText; finally Clipboard.Close; end; Seemingly at random I get "Cannot open clipboard: Access Denied" errors. I'm guessing that these errors are caused by other application locking the clipboard, but I never seem to be doing anything with other applications that should cause the locks. Strangely my users seem to be reporting more of the errors with Vista and Windows 7 than with
Cannot Open Clipboard Windows 7
XP. Is there a way to check if the clipboard is locked before trying to access it? delphi delphi-2010 clipboard copy-paste share|improve this question asked Dec 7 '09 at 10:21 norgepaul 3,75312360 Please note this snippet from Delphi's documentation: " Clipboard.Open -> Opens the clipboard, preventing other applications from changing its contents until the clipboard is Closed. Call Open before adding a series of items to the clipboard. This prevents other applications from overwriting the clipboard until it is closed. (When adding a single item to the clipboard, there is no need to call Open.)" –Silvester Dec 16 '13 at 16:41 add a comment| 5 Answers 5 active oldest votes up vote 15 down vote accepted This is not a Delphi problem. Because the clipboard can be locked any moment, even if you check, if the clipboard is currently not locked, it might become locked directly after the check. You have two possibilities here: Don't use the Delphi clipboard class. Instead use raw API functions, where you have a little more fine-grained control over possible error situations. Expect your code to fail by adding an exception handler. Then add some retry code, i.e. retry to set the text three times, perhaps with exponential backoff, before throwing your own error. I'd recommend the second solution, because it'd be t
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Cannot Open The Clipboard Excel 2007
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Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks. Windows 7 Help Forums Windows 7 help and http://www.sevenforums.com/general-discussion/2677-cannot-open-clipboard-error.html support General Discussion » User Name Remember Me? Password Advanced Search Show Threads Show http://embarcadero.newsgroups.archived.at/public.delphi.ide/200911/0911036731.html Posts Advanced Search Go to Page... Windows 7: Cannot open Clipboard Error 22 Jan 2009 #1 shadowminx69 Windows 7 Build 7000 26 posts Cannot open Clipboard Error Things were going great and all the sudden I kept on getting Cannot Open Clipboard Error messages. Any way I can view my Clipboard or Know why its happening? My System cannot open Specs OS Windows 7 Build 7000 shadowminx69 View Public Profile Find More Posts by shadowminx69 . 22 Jan 2009 #2 limneos Windows 7 RC 7100 32bit/64bit 1,019 posts It seems that an application you're using has locked the clipboard temporarily, or permanently if it also crashed. A restart should fix the problem. If the problem persists, please post back. My System Specs System Manufacturer/Model Number ENIAC OS Windows 7 RC 7100 32bit/64bit CPU cannot open clipboard Intel Core2Duo E4500 2.20 GHz Motherboard ASUS P5LD2-X/1333 Memory 2x1GB Kinsgston DDR2 800MHz Graphics Card Nvidia 8500GT Sound Card Onboard High Definition Audio Device Monitor(s) Displays Sony Bravia 42" Keyboard Some cheap one Mouse Microsoft Intellimouse something Case LINKW 2222 Cooling Standard Intel Internet Speed 24MBps ADSL limneos View Public Profile Find More Posts by limneos 22 Jan 2009 #3 garysgold Vista Ult 64 bit Seven Ult RTM x64 3,194 posts Maine, USA I cannot open clipboard viewer either. Just a flash of a window, just an outline really. Reboot no help. First time I tried it I opened Task manager and found this. Haven't seen it on subsequent attempts. Any ideas? Gary My System Specs System Manufacturer/Model Number Dell XPS420 OS Vista Ult 64 bit Seven Ult RTM x64 CPU Intel Core2 Quad Q6600 2.40 gigahertz Memory Crucial Ballistix 4x2GB PC2 6400 Graphics Card NVIDIA GeForce 8600 GTS 256 MB Sound Card Creative SB X-Fi audio Monitor(s) Displays HP w2207 + HPvs15 Screen Resolution 1680x1050 + 1024x768 Keyboard Microsoft Comfort Curve Mouse MX Revolution Hard Drives 2-WD5000AAKS-500 GB WD5000AAV-500 GB external Other Info Wacom Intuos 2 Graphics Tablet Experience Index=5.5 . garysgold View Public Profile Visit garysgold's homepage! Find More Posts by garysgold 22 Jan 2009 #4 shadowminx69 Windows 7 Build 7000 26 posts Wow when It Rains It pou
Cannot open clipboard message Subject: Re: Cannot open clipboard message Posted by: Brandon Staggs (nospam@a.b.c) Date: Wed, 13 Jan 2010 "Norm Carlberg" wrote on Tue, 12 Jan 2010 15:57:07 -0800: >> {quote:title=Alan Tse wrote:}{quote} >> Today I often have this pop up message from D2007: >> 'Cannot open clipboard' >> >> Any idea? > > I have received that message also in Delphi Turbo 2006 Professional. > A sleep(10) between clipboard operations helps. > > Norm I wrote these to deal with the problem: const MAX_CLIPBOARD_TRIES = 10; CLIPBOARD_WAIT_TIME = 500; procedure SetClipboardText(Text : String); var tries : Integer; success : Boolean; begin success := False; tries := 0; while (not success) and (tries < MAX_CLIPBOARD_TRIES) do begin try Clipboard.AsText := Text; success := True; except Inc(tries); Sleep(CLIPBOARD_WAIT_TIME); end; end; end; function GetClipboardText : String; var tries : Integer; success : Boolean; begin success := False; tries := 0; while (not success) and (tries < MAX_CLIPBOARD_TRIES) do begin try result := Clipboard.AsText; success := True; except Inc(tries); Sleep(CLIPBOARD_WAIT_TIME); end; end; end; -- Better Web Sites Sell More Software:http://www.vexelfire.com Brandon Staggs StudyLamp Software LLC http://www.studylamp.comReplies Re: Cannot open clipboard message posted by Norm Carlberg on Wed, 13 Jan 2010 Re: Cannot open clipboard message posted by Alan Tse on Wed, 3 Feb 2010 In response to Re: Cannot open clipboard message posted by Norm Carlberg on Tue, 12 Jan 2010 Newsgroups.Archived.At is © Copyright 2009-2016, A B Cryer, All Rights Reserved.