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Pinvoke System Error Codes


There is a reply there that says it's okay as long as you're using Marshal.GetLastWin32Error to retrieve the error code. What Am I? Important Note about .NET and Win32 error-code reading: It is documented that you should NOT use the pinvoke GetLastError() due to the fact that the runtime makes it's own API calls These members do not change the error code and are useful for determining the success of some platform invoke method calls.IntPtr.ZeroIntPtr.EqualityIntPtr.InequalitySafeHandle.IsInvalidHow to Fix ViolationsTo fix a violation of this rule, move http://exactcomputerrepair.com/error-codes/pinvoke-error-codes.html

These values are defined in the WinError.h header file. Each one can occur in one of many hundreds of locations in the system. 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 What are the advantages of doing accounting on your personal finances? http://stackoverflow.com/questions/6984959/is-there-an-enumeration-for-system-error-codes-in-net-framework

Getlastwin32error Codes

And since most user-API calls are made through a call setup with DllImportAttribute, the .NET framework has made available a method that will record your call's ErrorCode until such time as Forexample, if I get error 1017. Browse other questions tagged c# .net windows pinvoke or ask your own question. Int32 lastError = GetLastError(); // use this: int lastError = Marshal.GetLastWin32Error(); // or this: Marshal.ThrowExceptionForHR(Marshal.GetLastWin32Error()); VB // don't use!

C/C++ Building Reference Linking Linker Options Linker Options /CLRSUPPORTLASTERROR (Preserve Last Error Code for PInvoke Calls) /CLRSUPPORTLASTERROR (Preserve Last Error Code for PInvoke Calls) /CLRSUPPORTLASTERROR (Preserve Last Error Code for PInvoke 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 You’ll be auto redirected in 1 second. Win32exception System Error Codes Note  The information on this page is intended to be used by programmers so that the software they write can better deal with errors.

C#VB Copy using System; using System.Runtime.InteropServices; using System.Text; namespace InteroperabilityLibrary { internal class NativeMethods { private NativeMethods() {} // Violates rule UseManagedEquivalentsOfWin32Api. [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)] internal static Reducing 1.5 volt battery voltage Uniquely removable subsequences Why does Debian set the login shell of user sync to /bin/sync? Not the answer you're looking for? http://www.pinvoke.net/default.aspx/Constants/WINERROR.html Your cache administrator is webmaster.

Notes: It is recommended that you do not call the Win32 GetLastError method directly. C# Get Win32 Error Message The following topics provide lists of system error codes. Unable to complete a task at work. If Windows still cannot find the network path, contact your network administrator. /// public const int ERROR_REM_NOT_LIST = 51; ///

/// You were not connected because a duplicate name

Marshal.getlastwin32error Error Codes

Downloads and tools Windows 10 dev tools Visual Studio Windows SDK Windows Store badges Essentials API reference (Windows apps) API reference (desktop apps) Code samples How-to guides (Windows apps) Learning resources This documentation is archived and is not being maintained. /CLRSUPPORTLASTERROR (Preserve Last Error Code for PInvoke Calls) Visual Studio 2015 Other Versions Visual Studio 2013 Visual Studio 2012 Visual Studio 2010 Getlastwin32error Codes helpful tips or sample code to share for using this API in managed code? C# Getlastwin32error Message A well-known encryption key was returned. ///

public const int ERROR_LOCAL_USER_SESSION_KEY = 1303; /// /// The password is too complex to be converted to a LAN Manager password.

Marshal.GetLastWin32Error won't work because the implicit PInvoke goop emitted by the compiler doesn't set SetLastError to true. weblink Should a country name in a country selection list be the country's local name? See ASP.NET Ajax CDN Terms of Use – http://www.asp.net/ajaxlibrary/CDN.ashx. ]]> Developer resources Microsoft developer Windows Windows Dev Center Windows Movie name from pictures. C# Getlasterror Example

The content you requested has been removed. Join them; it only takes a minute: Sign up Is there an enumeration for system error codes in .Net framework? Of course, this isn't a very satisfactory error message. navigate here Highly nonlinear equations Is there a rule for how to handle creative use of spells?

helpful tips or sample code to share for using this API in managed code? Getlasterror Pinvoke For information about network troubleshooting, see Windows Help. ///

public const int ERROR_NETWORK_UNREACHABLE = 1231; /// /// The network location cannot be reached. Summary GetLastError- retrieves the last system error.

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Don't forget to include [SetLastError = true] in your function definition. Verify that the network path is correct and the destination computer is not busy or turned off. Why do I get a compiler error when I'm pretty sure I have such method? C# Setlasterror For example: [DllImport("kernel32.dll", SetLastError = true)] static extern bool CloseHandle(IntPtr hObject); To retrieve the error message corresponding to this error code, you can use the Win32Exception class, as explained in the

Copyright © 2005, adontz*/ /* ; ' : :`-: _.`* ;*/ /*.*' /.*' ; .*`- +'`*' */ /*`*-* `*-*`*-*'*/ /**/ /******************************************************************************/ using System; using System.Runtime; using System.Runtime.InteropServices; using System.Reflection; namespace Microsoft.Win32.Interop This makes the CLR call GetLastError immediately after it calls the target unmanaged API and save the result. 2)Call Marshal.GetLastWin32Error (in System.Runtime.InteropServices) to retrieve the value that the CLR saved. In the Win32 world, you'd probably call the FormatMessage API next to get a meaningful message describing what error 123 means. his comment is here Is it possible to return an object of type T by reference from a lambda without using trailing return type syntax?

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