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Graphics.copyfromscreen The Handel Is Invalid

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The third code in my first post does actually create a bitmap with this size, but it's black. which may be the better solution since it will prevent this problem from happening again. I messed a bit around with all the code. If you need to capture or interact with theĀ User's desktop consider a scheduled task instead. http://blackplanetsupport.com/is-invalid/cnn-the-data-is-invalid.html

Browse other questions tagged c# c++ screenshot or ask your own question. How to tell my parents I want to marry my girlfriend Was the London Blitz accidentally started by lost pilots? c# .net windows-server-2008 pinvoke system.drawing share|improve this question edited Apr 7 '11 at 11:26 asked Mar 4 '11 at 23:17 Silas Hansen 9561916 What is the SendMessage all about? Anyways, try this.

Win32exception The Handle Is Invalid C#

Do we know exactly where Kirk will be born? Memorable ordinals How do you define sequences that converge to infinity? Spatial screwdriver Why leave magical runes exposed? It uses html5 and the canvas element to get a screenshot. –Patrick Hofman Feb 10 '15 at 13:23 @PatrickHofman why not ActiveX ?? –Ganesh_Devlekar Feb 10 '15 at 13:57

Join them; it only takes a minute: Sign up Graphics.CopyFromScreen() and GetDC(0) fail with “The handle is invalid” up vote 2 down vote favorite I have an application that takes screenshots I made a VGA-dummy, and instead of closing the RDP connection with the red X, I use the command %windir%\system32\tscon.exe 0 /dest:console That insures that the screen isn't locked. Personal Open source Business Explore Sign up Sign in Pricing Blog Support Search GitHub This repository Watch 30 Star 287 Fork 77 lefthandedgoat/canopy Code Issues 11 Pull requests 0 Projects Couldn't you save us the bother and put in the appropriate WM_**.

Hope it helps you solve the problem. System.componentmodel.win32exception: The Handle Is Invalid The core of this method is the function CreateProcessAsUser, you can find more about at MSDN. Not the answer you're looking for? You should revert at best to client side javascript to get a screenshot of the current web page.

Bruteforcing a keypad lock How did Adebisi make his hat hang on his head? Many Thanks, Vanitha Monday, December 13, 2010 4:14 PM 0 Sign in to vote Hi DCUSER, I suggest you to the asp.net forum to get the web application help. Reason: Resolved Reply With Quote Nov 5th, 2009,02:02 AM #2 dee-u View Profile View Forum Posts Visit Homepage Software Carpenter Join Date Feb 2005 Location Candon City, Ilocos Sur, Phils. Blog Sign in Join ASP.NET Home Get Started Learn Hosting Downloads Community Overview Community Spotlight Articles of the Day What's new Community Blogs ASP.NET Team Events Hall Of Fame MSDN Samples

System.componentmodel.win32exception: The Handle Is Invalid

Browse other questions tagged c# asp.net .net handle or ask your own question. Linked 5 Screenshot of process under Windows Service 4 Screen capture from windows service 1 Start browser from Windows service 3 Why does print screen in a Windows Service return a Win32exception The Handle Is Invalid C# If you choose to participate, the online survey will be presented to you when you leave the Msdn Web site.Would you like to participate? What do you call this alternating melodic pattern?

Mike [MSFT] MSDN Community Support | Feedback to us Get or Request Code Sample from Microsoft Please remember to mark the replies as answers if they help and unmark them if weblink Reply With Quote Nov 8th, 2009,02:18 PM #15 drattansingh View Profile View Forum Posts Hyperactive Member Join Date Sep 2005 Posts 395 Re: Screenshot, without screen? Reply With Quote Nov 5th, 2009,08:31 AM #4 BadgerBadger View Profile View Forum Posts Visit Homepage Hyperactive Member Join Date Aug 2009 Location Wales Posts 382 Re: Screenshot, without screen? Originally Posted by crispin You first need to define "logged in", do you mean "Logged in but locked", or never logged in at all.

Posts 10,924 Re: Screenshot, without screen? You mean it does not work when no user is logged? You should ask how to do that at http://forums.asp.net. -- Mike Marked as answer by Mike Dos ZhangMicrosoft contingent staff, Moderator Thursday, December 09, 2010 11:53 AM Monday, December 06, navigate here Note that the function I posted returns a Bitmap and not an Image. "The only thing that interferes with my learning is my education." Reply With Quote Nov 5th, 2009,02:28 PM

Thanks Reply Oncu_u None 0 Points 1 Post Re: capturing screen / getting "The handle is invalid" error or blank image Jan 22, 2007 02:41 AM|Oncu_u|LINK i have also the same Here is a sample usage. Originally Posted by Mindstorms If you're not logged in and there is no screen, there is no reason for rendering everything, so Windows doesn't do it.

No word for "time" until 1871?

Archeological evidence of nuclear warfare Why do CDs and DVDs fill up from the centre outwards? I'm not sure if all VNC clients work the same way. –Elmue Aug 4 '15 at 16:45 Include the "I'm not sure..." bit in the question. Advanced Search VBForums .NET C# [RESOLVED]Screenshot, without screen? Not the answer you're looking for?

Selenium It is also possible using selenium with the selenium-webdriver and headless a ruby gem developed by leonid-shevtsov if your test are in selenium this approach might be the best. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Privacy Statement| Terms of Use| Contact Us| Advertise With Us| CMS by Umbraco| Hosted on Microsoft Azure Feedback on ASP.NET| File Bugs| Support Lifecycle Register Help Remember Me? http://blackplanetsupport.com/is-invalid/add-net-user-password-is-invalid.html Does every data type just boil down to nodes with pointers?

I have had this function laying around for a while: csharp Code: public static Bitmap CaptureScreen() { Bitmap BMP = new Bitmap(System.Windows.Forms.Screen.PrimaryScreen.Bounds.Width, Code: public static Bitmap Bitmap1 { get { System.Windows.Forms.SendKeys.Send("{PRTSC}"); IDataObject data = Clipboard.GetDataObject(); return (Bitmap)data.GetData(DataFormats.Bitmap,true); } } Last edited by VB6Learner; Nov 14th, 2009 at 06:07 PM. May be you can try the GDI32 way, and the following articles with a sample code will show you how to use GDI32 function to do this job in C#. Capturing the Screen Image Using C# Because of this article had mentioned the p/invoke knowledge, so if you had not familiar with this knowledge, then you can reference the following