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Hi
iam working on WMI(windows MAnagement Instrumentation). i have created a sample application using WIn32_process class . iam able to display messages when an Process is opened or closed.
now what i want to do is to create an object and then register a call back function . This class also take process names through another method . this class should call the above callbackfunction when one of the process(taken through the above method) is either started or exited.
can you please suggest me how to procedd with this task.
Thanks in advance
abhi
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HI
i want to create a wrapper class of win32_Process class and i want to define my own methods into that wrapper class and after that i want to display messages whenever a new process is started or class using that wrapper class .
Can you please suggest how to procedd with this
Thanks in Advance
abhi
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Can u please suggest me how to write call back function for Event notification whenever a new process is executed using WMI
Thanks
Abhi
abhi
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Let's start off with a little modification of your original code. Use this WMI query instead, "Select * From Win32_ProcessStartTrace" to get notified of process creation.
Now to receive notification whenever a new Win32_ProcessStartTrace is fired, you need to invoke that WMI query with ExecNotificationQueryAsync. This operates almost exactly like ExecNotificationQuery, except it takes one extra parameter: a pointer to your implementation of IWbemObjectSink.
If you don't have an implementation of IWbemObjectSink, just use the stock implementation from MSDN[^] or Codeproject[^].
But why do you need to be notified when a new process is being created? What are you going to do to the process?
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thanks for your suggestion i will try to implement it.
actually iam working on a network.
so now i want to display messages remotely . Saty there aretwo machines A and B so whenever a exe is executed on machine B it should display message on machine A,
so please suggest me how to work remotely using WMI.
Thanks in Advance
abhi
abhi
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I thought Windows already provided this functionality via the Event logs.
System Policy editor (gpedit.msc) -> Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Audit Policy -> Audit process tracking (audit success). 
Unfortunately, this option also audits a heap of other events, in addition to process startup/shutdown.
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Hi,
Can u please suggest me how to get WMI data from a remote computer
Can u please suggest me the changes i have to do in Connectserver Function and the required DCOM settings required to access data remotely.
Thank you
Abhi
abhi
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hi
iam trying to access remote data using the following arguments in ConnectServer
hres = pLoc->ConnectServer(
_bstr_t(L"\\\\test\\root\\cimv2"),
_bstr_t(L"kumar"), // User name
_bstr_t(L"Keta001"), // User password
_bstr_t(L"MS_409"), // Locale
NULL, // Security flags
_bstr_t(L"CRAFT"), // Authority
0, // Context object
&pSvc // IWbemServices proxy
);
where test is the name of testPC
kumar is the username of remote PC
Keta001 is the password
CRAFT is the domain name
but when iam running my application iam getting error
cannot be connected error code 80041008
can u please suggest how to solve this.
Thanks In Advance
abhi
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hi when iam tryig to acquire UPS data using WIN32_UninterruptiblePowerSupply class of WMI ,iam not able to get the output,and i have searched on net for the solution , what i found is
Most UPS's now days disable native OS support when they install, because
they want to use their agent program instead. A good example is APC. So if
your using an APC by default it turns off UPS support (Maybe MS needs to
beef up the UPS support so APC doesnt feel they need to do this for
functionality). So in this case WMI wont be any help. But IF your UPS uses
the built in UPS support Windows provides then you should be ok
can u please elaborate on this and tell me how to get UPS data.
Thanks in Advance
abhi
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Hi iam working on winows 2003 clustering and i have to use WMI.
can u please help me with waht all we can do with WMI wrt to clustering
and can i have sample scripts
Thanks in advance
abhi
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Hi all,
I would like to ask if anybody is knowledgeable in service objects? Can anyone recommend a site or provide me with documentation for me to understand more about service and control objects?
 Thanks a lot,
![Rose | [Rose]](https://codeproject.global.ssl.fastly.net/script/Forums/Images/rose.gif) waxie
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Hi,
Can I write a shell extension which can process my own shell format?
For example: I have an application which has own data format, and when
drag from this applicaion and drop on explorer, the extension can process this data format.
It's like when you drag some texts and drop on explorer, which generate some special file.
Of course, I want generate my own files.
Anyone can help me?
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hi
I am not sure but have look at RegisterShellFileTypes()
"Every morning I go through Forbes list of 40 richest people in the world. If my name is not in there, I go to work..!!!"
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The most common format for the explorer is the combination of RegisterClipboardFormat(CFSTR_FILECONTENTS) and RegisterClipboardFormat(CFSTR_FILEDESCRIPTOR). These formats tells the explorer what filename to use and to render data from a storage (IStream). The IStream can render any data-format you want. For small data you can also use a HGLOBAL memory block to render your data-format.
To realize this - you have to implement your own IDataObject at least.
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hy everybody,
i really have a strange problem, and i hope that this very nice forum can help me out another time.
So what i have is a very simple com dll, if followed this article to build it: COM-DLL
my prroblem is, when e have a function like this:
[id(5), helpstring("method test2")] HRESULT test2([out,retval] BSTR* str);
i want to return more Parameters with the [out,retval], not only a BSTR* maybe a sequence or an array would be nice! In my Project i have to return 20 Strings to the Client who is using this dll, how does this work?
maybe something like this:
[id(5), helpstring("method test2")] HRESULT test2([out,retval] BSTR* str[20]);
I dont know or passing a sequence or an struct as a return Parameter?
Or what about this VARIANT* Types how does this work?
[id(5), helpstring("method test2")] HRESULT test2([out,retval] VARIANT* );
Please could someone explain it to me, i really need this asap...
Really, thank you in advance,
greetz
Balu
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You could describe a structure in IDL and use that as an out parameter.
Steve
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Yeah that was my idea too, but how could i do this, i try it that way:
interface Idatamng : IDispatch{<br />
struct PM<br />
{<br />
BSTR var1;<br />
BSTR var2;<br />
}<br />
[id(1), helpstring("method get_orderids")] HRESULT get_orderids([out,retval] PM* pm_inst1); <br />
};
But this is not working! Also with an Typedef it is not working:
interface Idatamng : IDispatch{<br />
struct PM<br />
{<br />
BSTR var1;<br />
BSTR var2;<br />
}<br />
typedef PM pm_def<br />
[id(1), helpstring("method get_orderids")] HRESULT get_orderids([out,retval] pm_def* pm_inst1); <br />
};
So i dont know how to build a structure in IDL, could you help me please!
greetz
Balu
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Ok something has changed and a new error occured ok the following is working, it is compiling, that should be the right description:
<br />
interface Idatamng : IDispatch{<br />
<br />
typedef struct _MYPM<br />
{<br />
BSTR id1;<br />
BSTR id2;<br />
}MYPM;<br />
<br />
[id(6), helpstring("method test3")] HRESULT test3([out,retval] MYPM* peter);<br />
};<br />
This is the code from the idl file, and he compile it!
But now i try to access the struct from the cpp file of the class:
<br />
STDMETHODIMP Cdatamng::test3(MYPM* peter)<br />
{<br />
<br />
AFX_MANAGE_STATE(AfxGetStaticModuleState());<br />
<br />
<br />
peter->id1 = CComBSTR("Test");<br />
return S_OK;<br />
}<br />
if peter->id1 = CComBSTR("Test"); a constant string everything is fine, test it with a small vb app it gave me the string back to the client, but if i try to hold this parameter flexible by an variable of the class, for example orderid which is an array it fails:
<br />
STDMETHODIMP Cdatamng::test3(MYPM* peter)<br />
{<br />
<br />
AFX_MANAGE_STATE(AfxGetStaticModuleState());<br />
<br />
<br />
peter->id1 = orderid[0];<br />
return S_OK;<br />
}<br />
So the vb test app, returns a System.NullReference!
I dont know why he is not able to get the string back from the DLL.
I hope someone can help me on this topic!
Thanks for everything 
greetz
Balu
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id1 is a raw BSTR, you can't just copy it using =. Try Something like this:
peter->id1 = SysAllocString(orderid[0]);
Steve
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I have to play a movie using DirectX from a URL. But the IGraphBuilder interface accept only file name. Can I use a file name as URL ( i.e play movie from a webserver)
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There's no DCOM related services in my Win2k Server, and I added all the components it in 'add/remove' but DCOM services still no where to be seeing. Is anybody konws how to add it?
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I have a problem that I'm trying to solve in the best possible way (arent we all;).
I am trying to make a browser extension in the form of a DLL that will automatically load with IE. Currently I have a solution in the form of an exe that, when run, loads IE instead of vice versa. Doing it this way I have complete control over IE, which is what my goal is.
However, I am wondering if it is possible (so far from what I've found it doesnt appear to be), to make a library that IE will load when IE itself is loaded. This library will then capture that instance of IE's process/handles/etc and capture the browsers events so the library can control the behaviour of the browser, and just "do stuff" in general on IE events. Using IWebBrowser2, DWebBrowserEvents, and all those good COM interfaces/objects, I already have it all working but only as a seperate exe process that I have to manually start-up.
Is this doable?
Are there registry keys you can enter in to make certain libraries load with IE? I know google toolbar loads up from a single DLL file. However I'm not sure if the DLL is actually loaded at IE startup or if its the standard "click a button on the toolbar to trigger a function in the DLL" (which, is easy to do). The toolbar itself is just a visual manipulation, making that visual representation of the toolbar is just a few registry keys really, which dont really do anything, they just point to a place (the DLL) that does. Like shortcuts to programs on the desktop.
Thanks in advance for any feedback or thoughts on this.
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Take a look at Browser Helper Objects. These are loaded into IE when it starts up. There are many examples of customizing IE here on Code Project.
Andy
Deus caritas est
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effeAF wrote: The toolbar itself is just a visual manipulation, making that visual representation of the toolbar is just a few registry keys really, which dont really do anything, they just point to a place (the DLL) that does. Like shortcuts to programs on the desktop.
here :-effeAF wrote: The toolbar itself is just a visual manipulation, making that visual representation of the toolbar is just a few registry keys really, which dont really do anything, they just point to a place (the DLL) that does. Like shortcuts to programs on the desktop.
http://msdn.microsoft.com/library/en-us/dnwebgen/html/bho.asp
"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow
cheers,
Alok Gupta
VC Forum Q&A :- I/ IV
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