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Hresult Error Message

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Hresult Formatmessage

is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Is there a way to get the string representation of HRESULT value

_com_error

using win API? up vote 26 down vote favorite 8 Is there a function in win API which can be used to extract the string representation of HRESULT value? The problem is that not all return values are documented in MSDN, for example ExecuteInDefaultAppDomain() function is not documented to return "0x80070002 - The system cannot find the file specified.", however, it does! Therefore, I was wondering whether there is convert hresult to error message a function to be used in common case. c++ windows winapi clr hresult share|improve this question asked Aug 10 '11 at 8:44 khkarens 4411414 2 Title is different, but essentially the answer will be the same as for this one. –Christian.K Aug 10 '11 at 8:49 add a comment| 3 Answers 3 active oldest votes up vote 43 down vote accepted You can use _com_error: _com_error err(hr); LPCTSTR errMsg = err.ErrorMessage(); If you don't want to use _com_error for whatever reason, you can still take a look at its source, and see how it's done. share|improve this answer edited Jul 24 at 19:43 Cory Nelson 17.1k23061 answered Aug 10 '11 at 8:50 eran 14.8k3371 thank you eran! –khkarens Aug 10 '11 at 8:58 2 A more complete sample for convenience: inline CString GetMessageForHresult(HRESULT hr) { _com_error error(hr); CString cs; cs.Format(_T("Error 0x%08x: %s"), hr, error.ErrorMessage()); return cs; } –nietras Feb 9 '12 at 15:55 add a comment| up vote 11 down vote The Windows API for this is FormatMessage. Here is a link that explains how to do it: How to obtain error message descriptions using the FormatMessage API. For Win32 messages (messages with an HRESULT that begins with 0x8007, which is FACILITY_WIN32)

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Hresult Values Win32 Error Codes

Dev centers Samples Retired content We’re sorry. The content you requested has hresult error codes in c# been removed. You’ll be auto redirected in 1 second. Export (0) Print Expand All MSDN Library Open Specifications hresult c# Protocols Windows Protocols References [MS-ERREF]: Windows Error Codes 2 Structures 2.1 HRESULT 2.1.1 HRESULT Values 2.1.2 HRESULT From WIN32 Error Code Macro Collapse the table of content Expand the table of http://stackoverflow.com/questions/7008047/is-there-a-way-to-get-the-string-representation-of-hresult-value-using-win-api content This documentation is archived and is not being maintained. 2.1.1 HRESULT Values Combining the fields of an HRESULT into a single, 32-bit numbering space, the following HRESULT values are defined, in addition to those derived from NTSTATUS values (section 2.3.1) and Win32 error codes (section 2.2). This document provides the common usage details of the HRESULTs; individual protocol specifications provide expanded https://msdn.microsoft.com/en-us/library/cc704587.aspx or modified definitions. Most values also have a default message defined, which can be used to map the value to a human-readable text message; when this is done, the HRESULT value is also known as a message identifier. Note: In the following descriptions, a percentage sign (%) followed by one or more alphanumeric characters (for example, "%1" or "%hs") indicates a variable that is replaced by text at the time the value is returned. Return value/code Description 0x00030200 STG_S_CONVERTED The underlying file was converted to compound file format. 0x00030201 STG_S_BLOCK The storage operation should block until more data is available. 0x00030202 STG_S_RETRYNOW The storage operation should retry immediately. 0x00030203 STG_S_MONITORING The notified event sink will not influence the storage operation. 0x00030204 STG_S_MULTIPLEOPENS Multiple opens prevent consolidated (commit succeeded). 0x00030205 STG_S_CONSOLIDATIONFAILED Consolidation of the storage file failed (commit succeeded). 0x00030206 STG_S_CANNOTCONSOLIDATE Consolidation of the storage file is inappropriate (commit succeeded). 0x00040000 OLE_S_USEREG Use the registry database to provide the requested information. 0x00040001 OLE_S_STATIC Success, but static. 0x00040002 OLE_S_MAC_CLIPFORMAT Macintosh clipboard format. 0x00040100 DRAGDROP_S_DROP Successful drop took place. 0x00040101 DRAGDROP_S_CANCEL Drag-drop operation canceled. 0x00040102 DRAG

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get error message from hresult

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get error description hresult

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hresult to error message

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