Like c++/com, you can query and Invoke methods in C # using dotnet.
The basic process of the query is as follows:
1. A. NET class library referencing WMI
Add a reference to the Dll:System.Management.dll of the System.Management namespace in the project-> reference.
2. Create an instance of the ManagementObjectSearcher class
The ManagementObjectSearcher class is used to retrieve a collection of management objects based on a specified query or enumerat
Observer Mode Observer
Achieving the goal: transform the Select box to change the content area and ad areaGeneral Ideas1: Judging the selected value2: Order down, modify the content area according to the value3: Edit the ad area again.
if'男'{ 内容区背景变灰 广告区内容变成男人话题}elseif'女'){ 内容区背景变粉 广告区内容变成女人话题}
So what are the questions:1: Let you choose to cause 3 changes in the area, whether to modify the If/elseif section2: If you choose female style, but do not change the powder, now popular purple
dotnet Support for WMI
. NET Framework, there are two namespaces that are related to the WMI specification, namely the System.Management and System.Management.Instrumentation namespaces. The former is used to access the functionality provided by a standard WMI provider, to obtain system information, or to execute a provider's methods (such as modifying a system
ArticleDirectory
WMI Tool
Script WMI operation
. Net Operation WMI
Conclusion
After knowing what WMI is, you must know how to Use WMI. Can it write "Hello World? WMI is not that boring. As soon as it comes
WMI has been around for more than 20 years, but many people are not familiar with it. I know it is very powerful, but I don't know where it comes from, how it works, and what scope of use it is? Now let me talk about my understanding...
WMI has a set of APIs. Whether we use VBscript, powershell script, or C # To access the WMI class library, it is because of a
Knowledge background
Wbem--web Based Enterprise Management is an industry specification that establishes standards for accessing and sharing management information in a corporate network.
Wmi--windows Management Instrumentation is a WBEM implementation of Windows. With WMI, we can get data about hardware/software, or provide data on hardware or software services to WMI
WMI has been present for more than 20 years, but many people are not familiar with it. Know it is very good and powerful, but do not know where it comes from, how to work, what is the scope of use? Now I'll talk to you about my understanding ...WMI has a set of APIs. Whether we use VBScript, PowerShell scripting, or a C # access to WMI's class library, it's a set of APIs that
Using WMI in the final analysis is access to WMI classes, and finding the right classes is a key step. I've been worried about not finding the right class and namespace. Do you have such a problem, too?
Class hierarchy
WMI's classes are organized in namespaces and inheritance hierarchies, and are in a tree-shaped structure. The root of the namespace is root, and there are more than 10 namespaces underneat
One of WMI programming: Using WMI in VC
After a week of busy work, I finally had some time to write a blog. Now I will talk about How to Use WMI in VC. Next we will build a simple WMI application framework in five steps.
Do not forget to include header files and linked library files before writing programs.
# Include
Knowing what WMI is, you definitely want to know how to work with WMI. Can it write "Hello world"? WMI isn't that boring, and it's going to ask you "What do you want?" "or" What do you want to change? ”。。。
WMI Tools
Windows itself provides several WMI tools for users to us
Vbscript calls WMI to publish a website with one click. vbscript calls wmi with one click.
As A. net developer, in the window environment, you have to be familiar with some scripting languages to alleviate some complicated things encountered in daily development, such as automatic website publishing and automatic website publishing.
WMI windows Management Program
Vbscript calls WMI to publish a website with one click. vbscript calls wmi with one click.
As A. net developer, in the window environment, you have to be familiar with some scripting languages to alleviate some complicated things encountered in daily development, such as automatic website publishing and automatic website publishing.
WMI windows Management Program
"You cannot connect to the WMI provider. You do not have the permission or the server cannot access it. ", Wmi cannot be accessed
I recently learned about PowerDesigner and encountered a small problem when I created the PDM model. I thought I was about to reinstall SQLServer. Baidu had a bit of trouble and solved the problem easily. The problem is that when creating a data source, the connection test is
Because of its length, only the "code for" function itself is shown on this page.
The demo script that shows the "use of this" function is available as a separate download.
Copy Code code as follows:
Function Readregvalue (MyComputer, Myregpath, Myregvalue)
' This function is reads a value from the registry of any WMI
' Enabled computer.
'
' Arguments:
' MyComputer a computer name or IP address,
' Or a dot for the local computer
'
requires the programmer to inherit the IWbemObjectSink interface and do multithreaded programming. So the IWbemServices is a compromise method for the invocation of the method in the instance, create a thread to query, and then write to a Iwbemcallresult interface instance, which is queried by the main thread.
Iwbemcallresult * pcallres = 0;
IWbemClassObject * pobj = 0;
hres = Psvc-> execmethod (ClassName, MethodName, wbem_flag_return_immediately,
NULL, Pclassinstance,null, Pcallres);
while (
[name]= base0248-win10;networkservermodeenabled[network server mode is enabled]= TRUE;numberoflogicalprocessors[number of logical processors]= 2;numberofprocessors[number of processors]= 1;oemstringarray[OEM string array]= {"[Ms_vm_cert/sha1/27d66596a61c48dd3dc7216fd715126e33f59ae7]", " Welcometothevirtualmachine "};partofdomain[part of the domain]= TRUE;pauseafterreset[after reset suspend]= 3932100000;pcsystemtype[computer system type]= 1;pcsystemtypeex[Personal Computer system type ex]= 1;powe
I want to use SQL Server to create a database job. I want to use ASP to create a web page. First, you need to install SQL Server. At first, it was very simple. In my Visual Studio 2008 installation package, there was SQLServer 2005 express edition Installation Software, just install it directly. Which of the following processes is hard ......First Install SQL Server 2005 (In English version). The installation process is very smooth. Then I want to enter the Server Configuration Manager. After cl
Save the following code as a VBS
Copy Code code as follows:
If WScript.Arguments.Count = 0 Then
Geti =-1
Else
Geti = CInt (wscript.arguments (0))
End If
Call Yourcode ()
' Write your agent in a text file (IP.txt), one line: IP: Port
IPS = CreateObject ("Scripting.FileSystemObject"). OpenTextFile ("IP.txt", 1, True). ReadAll
IPS = Split (IPs, VBCRLF)
For ips_i = 0 to UBound (IPS)
If ips_i > Geti Then
Iptemp = Split (IPS (ips_i), ":")
Changeproxy iptemp (0), iptem
Today, a colleague encountered the following error when starting his own computer's SQL Server 2012 Configuration Manager:
Unable to connect to the WMI provider. You do not have permissions or the server cannot be accessed. Note that you can only use SQL Server Configuration Manager to manage SQL Server 2005 servers.
the specified module could not be found. [0x80041010]
Cannot connect to WMI provider.
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