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"WMI-3" WMI for c++/com query information __c++

Query informationOne of the main functions of WMI is to query the WMI repository for information about classes and instances, we can call a synchronous query, or we can call an asynchronous query. A synchronous query is a query that executes at the current execution, and an asynchronous query needs to start another thread to query, and after the query has finished, call the defined interface (similar to a callback function) to handle the query results. Synchronous query is suitable for querying

No COM interface Why Windows Service failed to start and the solution

the artifact--step-one. Startup Failure Reason Once the Window service program is started, a run method is called in the WinMain method Collapsehresult Run (_in_ int nshowcmd = sw_hide) throw () { HRESULT hr = S_OK; t* PT = static_cast The Run method calls the Pt->runmessageloop () method for a while loop, which prevents the WinMain method from returning, causing the program to end. After debugging, found that execution, the Pt->premessageloop method returned S_FALSE, because

Porting ASP code to VB COM components (3)

small example of context conversion in the program. If you test this code, it will run, but please Do not do this within your own application. Private Sub Dostuff () % > This is End Sub % > Programmatic code has some other benefits as well. First you'll find it easier to reuse the parts of the code that are included in the program. Secondly, to Fewer lines of code are required to achieve the same purpose. Third, you will begin to develop a large reusable code base. At first it's The form is.

Using VC + + ATL to implement Office COM plug-ins

Summary This article describes the use of VC + + ATL (Active Template Library), using the IDTExtensibility2 interface to add a simple COM plug-in (addin) to Microsoft Word, Adding visual parts, such as toolbar buttons and menus, and adding a way to respond to events, and at the end of the paper, provides a simple way to implement a hybrid programming with Office macros. When it comes to office-related programming, it's possible that VBA (Visual Basi

COM + Web service: Routing to XML Web services by check box 3

Microsoft c#™ or Visual Basic. NET and inherit from ServicedComponent. The following are examples of managed code for a simple managed component: Using System; Using System.Reflection; Using System.Runtime.InteropServices; Using System.EnterpriseServices; [Assembly:applicationname ("Cssoap")] [Assembly:applicationactivation (Activationoption.server, soapvroot= "Cssoap")] [Assembly:assemblykeyfile ("Cssoap.snk")] Namespace Cssoap { public interface Icalc { Double Add (double Value1, double Val

Retrieving a component of the CLSID {00024500-0000-0000-c000-000000000046} in a COM class factory failed because of the following error: 80070005 access denied. (Exceptions are from hresult:0x80070005 (e_accessdenied)).

Tags: retrieving file log window CDATA LDA component Get StrRetrieving a component of the CLSID {00024500-0000-0000-c000-000000000046} in a COM class factory failed because of the following error: 80070005 access denied. (Exceptions are from hresult:0x80070005 (e_accessdenied)).In Batchimportentrytable.getexceldata (String FileName)Retrieving a component of the CLSID {00024500-0000-0000-c000-000000000046} in a COM

Retrieving a component of the CLSID {820280E0-8ADA-4582-A1D9-960A83CE8BB5} in a COM class factory failed because of the following error: 80040154 There is no registered class (Exception from hresult:0x80040154 (Regd B_e_classnotreg)).

Label:Retrieving a component of the CLSID {820280E0-8ADA-4582-A1D9-960A83CE8BB5} in a COM class factory failed because of the following error: 80040154 There is no registered class (Exception from hresult:0x80040154 (Regd B_e_classnotreg)).IIS program pools, advanced settings: Enabling 32-bit applicationsRetrieving a component of the CLSID {820280E0-8ADA-4582-A1D9-960A83CE8BB5} in a COM class factory failed

VB Error in VS2008 retrieving the component of the CLSID {28e68f9a-8d75-11d1-8dc3-3c302a000000} in the COM class factory failed because of the following error: 80040154 no registration Class (Exception from hresult:0x8 0040154 (Regdb_e_classnotreg)).

Resvr32 the name of the control referenced in. NetIf the registration is successful, the problem does not occur but if the control is registered successfully in a x64-bit system, the error is prompted because most third-party written COM controls only support 32-bit systems, find the project with the reference control in VS--〉 property--〉 generate--〉 general---) Target platform---) Select X86 to solve. The problem of the control is the Opcdaauto.dll f

Java-java-com-util-common-service:serviceexception.java

Tags: style version throwable use height manage Ima ESS nbsp Ylbtech-java-java-com-util-common-service:serviceexception.java 1. back to top 1. PackageCom.shineyoo.manager.util.common.service;/*** Service Layer Common exception, which triggers a transaction rollback when thrown from a function in a spring managed transaction. *@author */ Public classServiceexceptionextendsRuntimeException {Private

SQL Server data import problem: Error "call to COM component returned wrong HRESULT E_FAIL"

The database used by the customer is older, SQL Server 2008, and two SQL files are exported.With the help of OPS, SQL Server 2008 is installed and configured in the WIN10 system.Open the first file, no problem, build the appropriate database, run the script, you can import.The second file encountered a problem, always error "the call to COM components returned a false HRESULT E_fail"The solution that the search engine gives is to start and configure t

Workarounds for exporting Excel exceptions. : System.UnauthorizedAccessException: Failed to retrieve component with CLSID {000209ff-0000-0000-c000-000000000046} in COM class factory

Tags: Microsoft Access cat Information Strong Support access services 32-bitException information is: System.UnauthorizedAccessException: Failed to retrieve component of CLSID {000209ff-0000-0000-c000-000000000046} in COM class factoryFind a solution on the Internet 1. In Start, run, enter Dcomcnfg.exe to start the Component Services 2: Double-click "Computer", "Component Services", "My Computer", "DCOM Configuration" 3: Find "Microso

Possible problems with the understanding of COM (Component Object model) and the advantages of components and benefits

What kind of software products do users need? This is a multiple-choice, but efficient, robust is sure to be selected. What does a software developer do to satisfy a user's needs? You must ensure that the upgrade application does not break backward compatibility with previous versions. You must extend the system service without relying on a specific operating system. Object-oriented programming is clearly a revolutionary change. Using object-oriented design method, we can easily abstract the pro

What is a COM Component)

Com is the abbreviation of Component Object Model. What kind of software products do users need? This is a multi-choice question, but it is highly efficient and robust. How can a software developer meet users' needs? Ensure that the backward compatibility with previous versions is not damaged during application upgrade. System services must be extended without a specific operating system. Object-orientedProgramDesign is obviously a revolution

What is a COM component?

Com is the abbreviation of Component Object Model. What kind of software products do users need? This is a multi-choice question, but it is highly efficient and robust. How can a software developer meet users' needs? Upgrade is requiredThe application does not compromise the backward compatibility with previous versions. System services must be extended without a specific operating system. Object-orientedProgramDesign is obviously a revolutionary ch

Text to Speech plug-in synthesis WAV file super powerful, multi-language support, this example key call COM DLL

InitializationPlugin.DL_Speak.ini ("yxme64uttbjhv0r620180302005400")Get the pronunciation clerk that exists in the systemSS = Plugin.DL_Speak.GetLanguageMessageBox SSSet the pronunciation of the system voice library 0 1 2 3Plugin.DL_Speak.SetLanguage 0Set pronunciation speed +50Plugin.DL_Speak.Rate 50Read the custom textPlugin.DL_Speak.Speak ("But Tretfdgfd of Guangdong Province, a wide range of widely-held Guangdong province Guangdong province")Convert text to WAV audio files and save them in a

JavaScript and ATL COM return value issues

Recently made an ATL-based control, designed an interface, want to return multiple parameters, but through JavaScript but can not get the return value, originally thought is the problem of their own interface, and later found on the Internet a lot to find that the original MSDN has a clear saying:JavaScript does not support passing parameters by reference. JavaScript would make copies of these variables and pass them by value when calling methods then take By-reference parameteRs. Thus, you cann

Computer COM Surrogate has stopped working how to do

about the 32-bit Win7 operation method The last week, every time I open my Video folder, always will pop up an error box, prompted the COM surrogate has stopped working, or the explorer has stopped working, need to restart, although not affect the use, but very uncomfortable, then on the jar turned, found that this problem is very common, And there are not many people who have solved the problem, and by coincidence, I found a way to sort it out as fo

GB and BIG5 Internal code conversion COM original code

This COM uses a VC resource file. is the dictionary. We can go to 61.134.75.70/download/gb2big5.zip to download The original code is as follows: '////////////////////////////////////////// ' Chinese name: GB and BIG5 internal Code interchange control ' English name: Gb2big5 ' Author: Blood ' Version: 1.0 ' Production time: 2002.3.5 ' All rights reserved Blood 2002-2003 '////////////////////////////////////////// Option Explicit ' Define variables Dim

Win7 flagship computer pops up "COM surrogate stopped working" prompt window what to do

Open the program in our w764-bit flagship computer, the use of the program, this would have been a natural, but also ordinary things, but in specific cases, there are really some time, Win7 flagship computer suddenly appear some strange fault, leading to our normal program is not normal operation, this does not , today, a user using Win7 flagship computer said that his Win7 flagship computer suddenly popped the "COM surrogate stopped working" Error pr

Win7 Registered COM component failed

Troubleshoot win7 registered COM component failures Run: regsvr32 xxx.ocx Tip: The module "Xxx.ocx" has been loaded, but the call to call DllRegisterServer failed, and the error code 0x80004005. Problem analysis: Due to Win7 permissions Solution: 1. Start-> in the search box to enter ' cmd '-> search out of the Cmd.exe file on the right click, select ' Administrator identity Run ': 2. Execute again: regsvr32 xxx.ocx command, such as specifying t

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