regqueryvalueex error 234 Greene Rhode Island

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regqueryvalueex error 234 Greene, Rhode Island

Why were Native American code talkers used during WW2? When SZ is read first, it sets dwDataSize to 54, which is enough for the DWORD.Also, I have read, that RegGetValue is supported since Windows XP x64, so I have converted confusing????? › Vb program lists files from extensions to text, need improve › [Solved] How to BATCH ANTIVIRUS and CLEANING SCRIPT AUTOMATION › batch file sends email when zipping fails See I have two processes which can Read and Write data to the same value(my tests do it).

If the buffer specified by lpData parameter is not large enough to hold the data, the function returns ERROR_MORE_DATA and stores the required buffer size in the variable pointed to by In this case, the contents of the lpData buffer are undefined. Sometimes(one per ten times) the read method is fail with error ERROR_MORE_DATA and Value is 12. Second process try to read it in the same time.

Examples Ensure that you reinitialize the value pointed to by the lpcbData parameter each time you call this function. Setting dwLength before calling fixes the problem. How to slow down sessions? Not any virtual applications.

See More: RegQueryValueEx problem Report • #1 StuartS August 16, 2010 at 15:17:13 Try rewriting the code to open the key and read the value and return the error code. If you understand what you're doing, you're not learning anything. 07-14-2006 #3 Narcose View Profile View Forum Posts Registered User Join Date Feb 2006 Posts 20 Code: #define REG_LIB HKEY_CURRENT_USER const When the function returns, this variable contains the size of the data copied to lpData. Report • Related Solutions› [Solved] batch file for loop problem › [Solved] Strange Problem with script works then does not work › [Solved] A litle problem with cacls command... › [Solved]

The return error code with give you an indication of what went wrong. Regards, Kurt Quote:>In my code, I use CRegKey::Create, SetValue, and QueryValue to set/get the >registry info. No errors. All Rights ReservedAd Choices The information on Computing.Net is the opinions of its users.

The physical data length is only 41 byte long, I> still get the error when using buffer of 1024 long.>> When debugging, if I drag the "program counter" to the same I let the code run for 5 minutes. If the lpValueName registry value does not exist, the function returns ERROR_FILE_NOT_FOUND. For more information, see Registry Element Size Limits.

If you wish to continue this conversation start a new topic. RegQueryValueEx function Retrieves the type and data for the specified value name associated with an open registry key. Get 1:1 Help Now Advertise Here Enjoyed your answer? If the lpValueName registry value does not exist, RegQueryValueEx returns ERROR_FILE_NOT_FOUND and the value returned through the lpcbData parameter is undefined.

For more information, see Registry Key Security and Access Rights. I mis-read the comment by only focusing on "this variable contains the size of the data copied to lpData .". To ensure that any string values (REG_SZ, REG_MULTI_SZ, and REG_EXPAND_SZ) returned are null-terminated, use the RegGetValue function. First Name Please enter a first name Last Name Please enter a last name Email We will never share this with anyone.

You can still re… .NET Programming For-Loops Video by: Grant The goal of this video is to provide viewers with basic examples to understand and use for-loops in the C programming Error with Registry, CRegKey::QueryValue 2. You need to maintain a separate variable to keep track of the buffer size, because the value returned by lpcbData is unpredictable. It took ~30 seconds for a writer process to finish writing.

I have repeate it issue on the third start. I am building using "Use Multi-Byte> Character Set" option. It can also be one of the following predefined keys: HKEY_CLASSES_ROOT HKEY_CURRENT_CONFIG HKEY_CURRENT_USER HKEY_LOCAL_MACHINE HKEY_PERFORMANCE_DATA HKEY_PERFORMANCE_NLSTEXT HKEY_PERFORMANCE_TEXT HKEY_USERS lpValueName [in, optional] The name of the registry value. Why do I get the error 234 when calling RegQueryValueEx or CRegKey::QueryValue?

A: To find the necessary buffer size, call 'RegQueryValueEx()' with a 'NULL' value in 'lpData' parameter. This is very important when you call this function in a loop, as in the following code example. Computing only one byte of a cryptographically secure hash function Why is international first class much more expensive than international economy class? Marked as answer by shibo Friday, March 05, 2010 11:51 AM Monday, March 01, 2010 5:34 PM Reply | Quote All replies 1 Sign in to vote > I am calling

Some time, I get error 234,> ERROR_MORE_DATA, Buffer is too small to receive the data.>> The behaviour is not consistent. There are only that. Regards, Shibo Friday, March 05, 2010 11:51 AM Reply | Quote Microsoft is conducting an online survey to understand your opinion of the Msdn Web site. If the data has the REG_SZ, REG_MULTI_SZ or REG_EXPAND_SZ type, this size includes any terminating null character or characters unless the data was stored without them.

DAO3.60 - getting error 3260 when doing CDaoRecordset::Update 7. If I change the code to use RegOpenKeyEx() instead, specifying KEY_QUERY_VALUE and KEY_SET_VALUE permissions, I got the error several more times, each time reporting a size of 64. –Remy Lebeau Jan