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Marshal Getlastwin32error C#

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Discussion It's worth discussing this particular approach to error-handling, and in particular cases in which it's not a good idea. Reply C# Frequently Asked Questions says: March 15, 2004 at 12:51 pm Reply Euphemos » Blog Archive » HRESULTs and Win32 Error Codes Introduction says: March 19, 2008 at 3:35 pm Forexample, if I get error 1017. View the reply to this messageSign In·Permalink Last Visit: 31-Dec-99 18:00 Last Update: 16-Oct-16 13:59Refresh1 General News Suggestion Question Bug Answer Joke

More About Us... Learning resources Microsoft Virtual Academy Channel 9 MSDN Magazine Community Forums Blogs Codeplex Support Self support Programs BizSpark (for startups) Microsoft Imagine (for students) United States (English) Newsletter Privacy & cookies If so, that defeats the purpose of C# having GetLastWin32Error. Similar Threads Get description of the computer on the network Augusto, Jul 14, 2003, in forum: Microsoft C# .NET Replies: 1 Views: 877 Vadim Melnik Jul 14, 2003 how to get http://stackoverflow.com/questions/1650838/getting-the-windows-system-error-code-title-description-from-its-hex-number

Marshal Getlastwin32error C#

The short answer: No. Of course you also need to remember to set the SetLastError named parameter on your DllImport attribute to true,and obtain the error code through a call to Marshal.GetLastWin32Error, since P/Invoking to If you're not coding an MFC application, then add the line below to whatever file is #included in all your source files. However...

Happy Error Handling (and Happy New Year 2006 - I am writing this on New Year's eve, 2005!)! True or False? share|improve this answer answered Oct 30 '09 at 16:23 Jon Norton 2,3111420 2 Or just do what Nick said :-) –Jon Norton Oct 30 '09 at 16:24 1 I C# Getlasterror Example current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list.

We appreciate your feedback. Marshal.getlastwin32error Error Codes I hate to think of what calling it would be like under C#. ---------- Will Pittenger E-Mail: mailto:wi************@verizon.net All mail filtered by Qurb (www.qurb.com) Nov 15 '05 #1 Post Reply Share This should solve the problem. dig this Later, if more fields are added to this exception, // we won't need to worry about accidentaly exposing them through this interface. [SecurityPermissionAttribute(SecurityAction.Demand,SerializationFormatter=true)] public override void GetObjectData(SerializationInfo info, StreamingContext context) {

Yes, my password is: Forgot your password? C# Getlastwin32error P: n/a Will Pittenger I see System.Runtime.InteropServices.Marshal.GetLastWind 32Error, but I see no method to get a string based on that error. And this doesn't help me display anything to the user. –Malfist Oct 30 '09 at 17:22 1 How does this answer the OP's question? –SepehrM Jul 23 '14 at 8:02 So unlike some other posters I won't be changing all my code to use a one liner approach but will continue using support classes and other code to provide more meaningful

Marshal.getlastwin32error Error Codes

The ones we pass to CoCreateInstance() here are the so-called CLSIDs and IIDs. https://www.nerdyhearn.com/blog/140 I implemented this in my project. Marshal Getlastwin32error C# int error = Marshal.GetLastWin32Error(); Console.WriteLine("The last Win32 Error was: " + error); // Call the MessageBox with an invalid window handle to // produce a Win32 error. Getlastwin32error Codes For more information, see Schmidt's post, below.

If you like, you can just copy the GUIDs from Listng 5 above to your project if you're following along. So if you change the previous code to the following: if (SetVolumeLabel("XYZ:\\", "My Imaginary Drive ")) System.Console.WriteLine("It worked???"); else throw new Win32Exception(Marshal.GetLastWin32Error()); Then running the GetLastError won't work for the same reason that a PInvoke call to it wouldn't work in C#. PInvokin' Tom Out. C# Win32 Error Codes

Sign In·Permalink Excellent!!! So I made up a fake interface, the IAmDumb interface, and then I am going to call CoCreateInstance() on this fake, not-registered interface so that I will get an error to Basically, the message is: Here's another feature of VC++ that may be helpful to you; but in the end, the important thing is to do what makes the most sense for As far as I know all the function's arguments are evaluated before the actual function call is made.

The process for this varies depending upon the source language used: C# and C++ are false by default, but the Declare statement in Visual Basic is true.ExamplesThe following example demonstrates calling C# System Error Codes GetLastError and managed code ★★★★★★★★★★★★★★★ Adam Nathan [MSFT]April 25, 20033 0 0 0 In the Win32 world, calling the GetLastError API is often the mechanism to get additional error information when Anyway.

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Remember, we want to see how to easily trap errors, especially from HRESULTs. If you're a VB.NET programmer, note that when you use Declare statements, the compiler emits PInvoke signatures that automatically set SetLastError to true. (C# forces you to opt-in because having the Console.WriteLine("Calling Win32 MessageBox with error..."); Win32.MessageBox(new IntPtr(123132), "Press OK...", "Press OK Dialog", 0); // Get the last error and display it. Win32exception To get the actual error message, turn the code of the error (the last part, 0x10D8) into a decimal – 4312.

The System.Component model namespace defines a Win32Exception class that internally calls FormatMessage for you! more hot questions question feed lang-cs about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Step 2: Add _com_error calls to your application In the SimpleErrors sample application, I have added two buttons: one button that makes a bogus Win32 CreateFile() call; and another button to If you import a COM type library in C++ and call methods on the generated smart pointers they always throw _com_error when something goes wrong, so having a catch handler that

This method exists because it is not safe to make a direct platform invoke call to GetLastError to obtain this information. Of course, this isn't a very satisfactory error message. So if your app formats every error with "ERROR DETECTED: %s", then you run the risk of displaying the embarassing "ERROR DETECTED: No error detected.", since "No error detected" is the Thank you!

W. Search Comments Profile popupsSpacing RelaxedCompactTight Layout NormalOpen TopicsOpen AllThread View Per page 102550 First Prev Next My vote of 5 Member 803644626-Aug-11 8:49 Member 803644626-Aug-11 8:491 Works fine. Look up FAILED in the docs if you want more information. For me personally, even as far back as VC5, this has never been my experience, and _com_error::ErrorMessage() appears to work regardless of whether you use the HRESULT_FROM_WIN32 macro or not.

Here are the ones I generated, shown in Listing 5:// {9346460E-F860-450c-B8C6-80D705644FF0} static const GUID CLSID_IAmDumb = { 0x9346460e, 0xf860, 0x450c, { 0xb8, 0xc6, 0x80, 0xd7, 0x5, 0x64, 0x4f, 0xf0 } }; Trying to Send Automated Faxes from ASP Web Page Causes Operation Failed Error (.NET) Problem You are working with XP Pro on a development machine, and have installed the fax service It's quick & easy. In this case, try to restore the TIFF file association to Windows Picture & Fax Viewer under: Windows Explorer > Folder Options > File Types.

kimjim20-Mar-06 17:11 kimjim20-Mar-06 17:111 Excellent article. This kind of articles teaches again and again the time that can be saved by stopping "reinventing the wheel" Thanks, Jim Sign In·Permalink Very good Sam NG20-Feb-06 16:02 Sam NG20-Feb-06 16:022