Windows - Duplicate The Following Credential Process In .NET?
May 4, 2009
Turns out this impersonation with .NET's security only allows application-level access. Since the COM object is at the system level, the impersonated user still cannot instantiate it. I figured this out by right-clicking the executable and selecting "Run As...", the program functioned fine. I found out that launches the program with system access (assuming the user you are running it with has those credentials).Now I am in the process of creating an external program that will launch this application using this method.
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Jan 27, 2011
Is it possible to create a credential for RDP using VB 2010?For example, to do this using win7 GUI:I go to credential manager and choose add a credential. I then enter TERMSRV/myserver and enter user name and password.
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Jun 4, 2009
I have written a windows service that is meant to launch a notepad when a specific action happens. The problem i have is that even though the service launches notepad, the actual notepad it self is NOT visible. I know that it has been launced because i can see the process in the task manager. By the way the process is listed as a SYSTEM process rather than a process under my user name (i believe that is because my process is a "LocalSystem" one).
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Apr 3, 2011
I have a bound DGV that took a bit of work to get its columns set up. I'd like to show a 1-row version of this identical DGV on a second windows form. Is there a way to programatically place a copy on the second form. I would adjust the height and position of the 1-row version, and create a new binding source on the second form so that I could filter the data.
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Sep 26, 2011
Is it possible to create a credential for RDP using VB 2010?For example, to do this using win7 GUI:
I go to credential manager and choose add a credential. I then enter TERMSRV/myserver and enter user name and password.
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Jul 9, 2009
I've been trying to develop a VB application which retrieves a lot of information from an XML file on our secure intranet. So far I've been using...
Dim request As WebRequest = WebRequest.Create(xmlUrl)
request.Credentials = New NetworkCredential(username, password)
Dim response As WebResponse = request.GetResponse()
Dim str As Stream = response.GetResponseStream()
Where username and password are predefined. What I need is a way of utilising the Windows credential manager to handle this. Ideally, I like it to pop up a credential prompt at application start, and then store the credentials for later use. So far so easy, but I want to be able to use the tick box to save the credentials back to the store, so taht next time the application is used, they are already filled in.
So far I've been investigating the CredentialsDemo from MSDN, but have been unable to adapt the routines to a web request from the given example of a SQL request. In fact I've not even been able to get the demo working adapting it to my own SQL server!It utilises the CredUIPromptForCredentials function. Is this the right way to go? Or am I barking up the wrong tree?
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Jul 13, 2009
I registered a domain and created a (Windows) web site via [URL].I created a simple Hello World web service using VWD 2008 Express. I have no idea why it put the web service into the stats folder, but that is a different issue.If I type [URL] into the address bar of my IE 6, I am prompted for user name and password, which I enter. I get a page listing my web services (Only one: HelloWorld) and other information. If I click the HelloWorld link, I get the appropriate response.Bottom line: the web service uses SOAP and it works.
However, if I create a Windows application (vb) in Visual Studio 2005 to use the web service and try to connect to that same address (Add Web Reference), I get asked:"The server needs to authenticate your request. Your credentials will be sent to the server in clear text. Do you want to continue?" I click yes, and I see a Discovery Credential dialog box. It asks for 4 things.
1)Url: (The same address as above already filled in)
2)User name: (I enter my user name)
3)Password: (I enter the password)
4)Domain: (I enter mydomain)
Of course "mydomain" is a standin for the real domain name I typed in.I click Ok. The information apparently is rejected and the dialog appears again.What can I do to make this work. The web site has IIS 6 with front page extensions. This is shared hosting and I do not have access to change anything about the IIS settings.
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May 26, 2009
I have created a Windows service in VS 2005 that monitors a folder for XML files, reads some data elements from the XML using XmlDocument, then copies the files to another location. I find that when I drop 2 or more XML files into the folder simultaneously, it processes them with no problems, but when I drop the same files into the folder one at a time, I will get an error on the second file: "The process cannot access the file <my file> because it is being used by another process." If I stop my service, restart it, and drop the second file into the folder again, it works the second time. I am confident that no other program is accessing this file at the same time as my service. My impression is that the processing of file # 1 is somehow not releasing all of the resources, leading to the processing of file # 2 mistakenly thinking that it can't access that second file.
Dim FileWatcher As New FileSystemWatcher()
It points the watcher to my folder, sets up an event handler, then enables the watching:
FileWatcher.Path = InputFolderPath
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May 7, 2009
I am trying to write a Windows Script that will allow me to monitor the following: That 2 x seperate but specific processes within Component Services "Running Processes" list are currently running and have not reset within the past hour. If I already know the PID, then I can retrieve the CreationDate (I assume which I can use to check for restarts? or is this the actual process creation/installation date) for each specific process, however if a restart occurs the PID will change and my script needs to know what the new PID is without me telling it!
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Aug 2, 2011
I have developed a Windows Service in VB.Net (VS2010) which is running on Windows7. I am trying to get "MainWindowTitle" for processes thru their process object but it returns empty.
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Nov 30, 2010
i'm making a little app in which i need to enumerate all the windows of a specific process. i managed to do that but through enumerating all the windows in the system and then just test if it is the process i'm talking about or not by using
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but this method seem to take a lot of unnecessary time. is there a wind32 function that can allow me to enumerate the windows of a specific process giving its handle.
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May 18, 2012
I'm printing pdf files via the below code in a service. In Windows 7 this works really well, In Windows Vista, nothing happens at all? What am I doing wrong?
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Mar 11, 2011
I have a program which I am securing with a Username and Password box, in which the user enters their credentials. In the database, the username is a number field (VB would not accept this as a string and was looking for it as Int32). And the password is a text field. I have the form linked to the database by an OleDbConnection with a DataAdapter (DaUser) and DataSet (DsUser). I am using a datarow which I have declared at the top of my code i.e. Public drUser As DataRow. The problem arises when the user enters their username and password.
The following code searches the primary key row of the database (Username)
drUser = DsUser.Tables("User").Rows.Find(txtUsername.Text)
When the Username entered does not exist, I'm getting this error when trying to display on the form the users email:
NullReferenceException was unhandled - Object reference not set to an instance of an object.
I've tried both if statements and try/catch to basically say if the Username doesn't exist... display an error message etc.
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Jun 29, 2010
I'm struggling to find a way of prompting the user for network credentials within a VB.net application. I appreciate I could use the login form, but I'd really like to be able to use the standard Windows UI prompt.I want to use the same credential prompt as you get when you try to access a server using UNC e.g.\servernamec.This is easily possible in Powershell using the get-credential cmdlet. The closest I can find is using the Powershell assembly PSHostUserInterface.PromptForCredential method, but I cant get this to work in VB.netIs there any way to invoke the standard network credential prompt at all?
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Feb 15, 2011
I am building a simple intranet site and want to get the employees user name, but when i use Request.LogonUserIdentity.Name , i keep getting the servers credentials and not the users. what am i doing wrong and is there a better way to do this.
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Nov 13, 2009
A Problem in accessing a device from VB Windows cannot load the device driver for this hardware because there is a duplicate device already running in the system. (Code 42) This error is because i am using 2 devices of the same company which has the mass usb storage on it and when i install one of the device the other hides. So one is detected the Other is not. It also give a error called designed dragnonacally something...
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Mar 17, 2011
I have this data in txt file and the data keeps changing all the time.
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I would like to read all lines and compare, if the same name and same address is found, which is in the [......], then i need to count it and show the most frequent buyer!should i read it all and put in array, and compare and put the duplicate data and count into another array?
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May 7, 2009
i have just converted it from vb6 to vb.net 2005 i am getting a error and do not know how to solve it it worked before in vb6 i have attached the project in a zip
Option Strict Off
Option Explicit On
Friend Class Form1
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Nov 4, 2009
Second, I have a question which I have been trying to find answer for a wile but without any success.How can I monitor Windows Process for any change (create/kill) after run my app ? the only way I have think about it is that used two lists, the first one load the process list on it and the second refresh each 1 sec to get the new one and compare the two to know the difference, but its useless because you cant know who killed or created the process and other information.
As I have been read before, I guess there is a need to implement windows API, hook to detect process changes ? Is there any idea or solution for this?
Note: I am using VB.NET (2010)
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Aug 31, 2010
how to process windows messages in vb.net , article, website or any.
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Dec 1, 2011
Googled this for the last hour and can't seem to find what I am looking for. for example have firefox open twice, and it has one process, firefox.exe the following code is run:
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Feb 14, 2011
I am trying to run a process started with the following VB statement.
The process will start fine with the proper admin ID that I specify. I have verified this by starting a CMD shell and batch files. They all show the user is my local admin account. However, if I try to run defrag or chkdsk, both commands tell me that I do not have authority to run them. Even though the processes are running under the admin account (shown by Task Manager).
The program is compiled on a Win XP SP3 machine (32-bit) using VB Express 2010. The executable seems to work fine on XP. But when I copy the .EXE file that it generates to my Windows 7 64-bit system, I get the above problem about it not having authority to run these two utilities.
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May 18, 2012
how to hide process in the taskmanager of windows 7 in vb.net?How to hide any process in windows 7 using vb.net.
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Jan 16, 2012
Is there any way I can get the memory usage for all processes currently running on a machine in vb.net?
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Mar 30, 2011
Have an EXE (Let's call it EXE1) that creates a process to run a second EXE (let's call it EXE2) EXE2 (which we didn't write nor can we adjust) has a visual interface.
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Jun 2, 2011
I have a service ticket management application and users want to open several ticket details on a tab in a MDI frame. Since this application has to communicate through Web XML service with other company, it takes around 15 ~20 seconds. The users most complain is that he needs to wait until a saving process is done. Cursor is working while data is being saved and other can't be done
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Jan 19, 2012
I've been trying off and on for a week now to get this to work but no luck. I have completely stripped down my vb.net 2008 windows service to just create a vbs file and launch it using a process.I'm dying here. The vbs file creates and is valid. I can execute it manually, the windows service just won't run it!! I'm on a windows 7 machine and the process is compiled and installed as a 32 bit process. It is also installed as local system.
After the process tries to execute, I created a text file and it did so successfully. So, I know that the service isn't crashing out.[code]....
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Oct 16, 2009
I have some code designed to locate a specific process based off of its window text, gather the main handle, and then all of the child windows. However, I have run into one problem. I cannot seem to gather all the handles and their respective text. For example, when I test my program and do a handle count on the specific process, it tells me that there are more than 400 handles for this one process. How do I get the handle pointers for this process and also gather the text associated with these handles.I have included my source code for reference.
Code:Public Class Form1
Const GW_CHILD As Integer = 5 Const GW_HWNDNEXT As Integer = 2 Const WM_GETTEXT As Integer = &HD Const WM_GETTEXTLENGTH As Integer = &HE Const BM_SETSTATE As Integer = &HF3 Const WM_LBUTTONUP As Integer = &H202 Const WM_LBUTTONDOWN As Integer = &H201
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Sep 30, 2010
We have an application that self-updates using a Laucher.exe process which copies down new App.exe and DLLs from a server then runs them in a separate process. This was all working very well until the arrival of the Windows 7 taskbar... Problem is in Windows 7, if the user pins the Launcher.exe to the task bar (by right-clicking the shortcut to Launcher.exe) then this happens... When you start the program the "pinned" taskbar icon momentarily gets focus while the launcher is running but then a totally separate new icon appears when App.exe is running. If the user then decides to right click the icon from the running App.exe and pin that to the taskbar, they bypass the application update part of the process.
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Aug 30, 2010
I have some code designed to locate a specific process based off of its window text, gather the main handle, and then all of the child windows. However, I have run into one problem. I cannot seem to gather all the handles and their respective text.
For example, when I test my program and do a handle count on the specific process, it tells me that there are more than 400 handles for this one process. How do I get the handle pointers for this process and also gather the text associated with these handles.
I have included my source code for reference.
Code:Public Class Form1
Const GW_CHILD As Integer = 5 Const GW_HWNDNEXT As Integer = 2 Const WM_GETTEXT As Integer = &HD Const WM_GETTEXTLENGTH As Integer = &HE Const BM_SETSTATE As Integer = &HF3 Const WM_LBUTTONUP As Integer = &H202 Const WM_LBUTTONDOWN As Integer = &H201
[code]....
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