How To Cancel Command

May 12, 2012

I was hoping somebody out there could help me please, I have an application which uses threading, process and runs cmd.exe - the problem I have is that I cant cancel the command.I have one textbox and two command buttonts, button 1 is run and button 2 is cancel - for this testing purpose only (my app wont be pinging but I'm doing this for testing only) I'm hoping to enter an I.P address in the textbox and then click on Run which starts a thread and the process, which so far is working.the coding I use to run the command is.[code]Now comes to difficult part, whilst the command is running I want to click on cancel which kills the thread and process which I have done but I have hit a brick wall because even though my thread and process has been killed my command carried on running, what I would like is the moment the cancel button is clicked to kill the thread, process and the command.

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Let The User Cancel AutoCAD Command?

Aug 30, 2010

I'm currently developing an AutoCAD 2008 Addin in Visual Basic (.Net 3.0, VisualStudio 2010).I'm able to define my own command and I want the user to be able to cancel my command by hitting the ESC key.In AutoCAD 2010 or higher there exists the

HostApplicationServices.Current.UserBreak

method. But not in ACAD 2008. how the user may be able to cancel my command?

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Cancel A Webbrowser Close Window Command?

Dec 5, 2009

I have a webbrowser control in vb.net 2008 that navigates to a page, submits some data, then wait for the data to be submitted. The problem is that once submitted, the website sends back a close windows request[code]...

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Cancel Validating In A DataGridView When A User Clicks The Cancel Button?

May 18, 2006

I validate a DataGridView with the CellValidating-eventhandler.That works fine. However, I want to avoid validating when the user presses the Cancel button. In the sequence validation occurs before the event CancelButton.Clicked.

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Cancel Save Event - E.cancel

Sep 21, 2011

i want to do this: when user click save button, the form must be check first..

if user did not insert the required data, user are not allow to save form..

the code:

Private Sub AssetMasterBindingNavigatorSaveItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AssetMasterBindingNavigatorSaveItem.Click

[Code].....

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VS 2010 E.cancel "cancel Is Not A Member Of "System.EventArgs" Error

Mar 13, 2011

Im coding an interest rate calculator and I need a close clause for the textbox and the combo box using e.cancel and im getting a "cancel is not a member of "System.EventArgs" error

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Send A Command To A Command Line And Then Submit The Command?

Apr 30, 2010

First let me say that I am not sure whether or not this should go in this section or the API section, and if it needs to be moved I apologize. My issue is fairly straight forward, but for some reason I cannot get it to work.

I am trying to send a command to a command line and then submit the command. I have been trying without success to get this to work in v2008 Express and v2010 Express, Here is the code I am trying to us:

Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" ( _
ByVal lpClassName As String, _
ByVal lpWindowName As String _

[Code].....

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Using Psexec.exe From PsTools To Send A Command To A Remote System To Fire A Command

Mar 17, 2010

I am currently using psexec.exe from PsTools to send a command to a remote system to fire a command through a command prompt however I am finding that the shell I am doing does not seem to like the spaces in the path.

[Code]...

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ExecuteReader Requires Command To Have Transaction When Connection Assigned To Command Is In Pending Local Trans?

Nov 8, 2007

Any ideas on how I handle the following error thrown in the SqlDataAdapter.Fill as a result of the BeginTrans in the callee?

System.InvalidOperationException = {"ExecuteReader requires the command to have a transaction when the connection assigned to the command is in a pending local transaction.The Transaction property of the command has not been initialized."}

[code].....

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IDE :: ExecuteReader Requires Command To Have Transaction When Connection Assigned To Command Is In Pending Local Trans?

Jun 30, 2010

Public Sub ExecuteTransaction(ByVal connectionString As String) Using connection As New OleDbConnection(connectionString)

Dim command
As New OleDbCommand()
Dim transaction
As OleDbTransaction

[Code]...

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Command Line Switches - Keeping Command Window Open?

Feb 24, 2010

I am using the following code to run defrag and to analyze if the C: drive requires defragmentation:

Dim analyze As Process = System.Diagnostics.Process.Start("C:WindowsSystem32defrag.exe", "C: /a /h /u /v")

This process runs through analyzing, runs it in normal mode & prints the progress to the command window.

My problem is that as soon as the process is complete the command window closes. I need it to stay open so that I can read the results.

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Send Command To Command Line From Windows Form Application?

Mar 11, 2010

I am trying to send a command to the external command line (cmd.exe) from the Windows form application that I'm writing in VB.NET (using VS2008).

I can only access the external program thru the command line (its not my program) and I must do so from a form app.

I am trying to use the following code. I am able to call a cmd.exe window, but I can't pass the command line my command.

Using mp As New Process
With mp.StartInfo
.FileName = "cmd.exe"

[Code].....

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Add New Sql Command To DataSet's Command Collection And Fill DataTable?

Jan 16, 2010

I want to add a new select command to my dataset. To do that, I have added a new partial class to my project. Because we have to use partial class if we want to extend generated dataset codes. [code]...

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Command Line Program To End Before Moving Onto The Next Command In Loop?

Feb 4, 2011

I am using a CheckedListBox that is populated with Filenames (full path, i.e. C:TestTest.jpg)When I have the files that I want in the CheckedListBox I wish to click a Start Button which will process the list one at a time using an exe program that runs on the Command Line. There are arguments that need to pass to the command line as well as the file location in order for the program to process.I currently have it working but the issue is the loop finishes quickly and it is left up to the CMD.exe to finish the process. What I would like is for the LOOP to wait until each file completes processing before passing the command for the next file in the CheckedListBox.There some reasons I wish for it to work this way.

1) I would like to have a button that can Pause/Restart the Loop.

2) I would like to have a button that can Stop the Loop so the whole process can end.

3) I would like to have the Loop remove each file one by one from the CheckedListBox after it has been processed.

4) I would like to display a Message once all the files have been processed.

5) And if it were possible I would like to report the status either by text or a progress bar showing where it is at in the process.

6) And the ability to add some error handling if possible.

Since the Loop finishes so quickly as it just passes the command to the command line using the & as a seperator it is the command line that is handling the rest of the process. Because of this there is not control over it in the GUI.The code I am using allows the Command Line text to display in the Form so it won't open up a seperate window to run CMD.exe. This is the desired affect as I would like everything to appear to run from within the Form itself.

[Code]...

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Insert Command Not Functional After Clear Command In Vb Report

Aug 21, 2011

User need to select their prefferable data to show in report. What i did is i have a clear command first to delete the temporary table. The temporary table is basically a table to stored user selection parameter data. After the clear command, i have
a insert command to insert user selection data into the temporary table. What happened now is when i run the program exe, first run of the report is work fined, but not the second and the following times of execution. It will return null or blank report. The weird thing is when i execute it from development environment, it seem like the report is able to pick up user selection parameter and run the report for the first times and the subsequent execution.

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Preset A Command And Have The Command Called On Different Option Clicks?

May 18, 2009

i have seen this in many codes, just not sure where to start and how to call the command. what i'm talking about is having code as such (this is for save file dialog):

[Code]...

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Command Prompt 'Copy' Command Equivalent

Apr 24, 2011

In the Windows Shell, there is a command that looks like this: copy /b fileA.zip + fileB.jpg fileC.jpg..Is there any equivalent function in VB.NET? I already know this works: [code] But I would much rather have a built-in function to work with. Here is what I am trying to do: url...Also, this doesn't just work for pictures. It works for any binary file. Is there any way in VB.NET to tell if a file is binary or text?

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Hide Characters In SET Command On Command Prompt?

Feb 6, 2011

Is there a way to hide the characters of a "set /p password=Enter Password:" command? Or any new strand not using the SET command i could use instead?

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Cancel An ASP.NET MVC Action?

May 12, 2009

This should be simple, but the answer is eluding me. If I've got a Save action in my controller, and the save fails, how do I cancel the action without disturbing what the user entered? For example, Index is strongly-typed of "MyTable":

Function Index() As ActionResult
ViewData("message") = "Hello"
Return View(New MyTable)

[Code]....

In the Catch, if I put Return View(form), I lose the message passed via ViewData. If I redirect to Index, I'll lose what the user entered. I think I've seen the simple (correct) way to handle this before, but if you don't know what to search for, it's hard to find.

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Cancel Print Job Win Xp?

Sep 29, 2009

I need a procedure that cancels all the print jobs of a specific printer.

I use vb.net 3.5 & win xp pro.

Plz don't send me "restart the spool service", I need code to cancel all print jobs.

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Cancel PrintPreviewDialog With It?

Aug 23, 2010

The problem is that the PrintPreviewdialog still shows when the pagesetupdialog1 is canceled.

Not sure how to cancel that along with the pagesetup on cancel.[code]...

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How To Cancel Thread

Jun 12, 2009

I am not familiar with threads, but the project I am working on has a bunch of them. There's a thread for the main form, then threads for activities like a calculation, converting files, etc, so that the user can kick off a calculation job and then kick of a conversion job that will run at the same time. Typically, calculations can run for hours and hours; conversions and other threads may only run a few minutes.If the calculation runs into a problem, how do I cancel that thread? It looks like the threads are controlled (driven?) by the main form, but I'm at a bit of a loss.....

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What Does E In E.Cancel Stand For

May 4, 2009

I have been working/coding with e.Cancel, e.EventArgs, etc without knowing what the "e" stands for. Can I have a simple explanation of what e means and possibly similar concepts in VB.Only performance counts!

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.NET - Pass Command On Command Line?

May 29, 2012

I am struggling to pass a parameter to a VB.NET application via a Windows scheduled task. It works perfectly in Visual Studio (passing a command line arguement via project properties).If I am calling a VB6 application, then I will supply the following parameters and it works:

Run: c:progra~1TestTest.exe TestParameter Start In: c:progra~1Test However, if I supply the same parameters in VB.NET, the program throws an exception when it tries to create an instance of a class in the Form.Load: System.NullReferenceException cannot create instance of object.

I have also tried the following:Run: c:program filesTestTest.exe TestParameter Start In: "c:program filesTest" This time the status of the scheduled task changes to "cannot start".What is the correct way to specify command line parameters in a scheduled task for a VB.NET program?UPDATE I found the solution on this web page:[URL}.. I am still confused as to why the program would not create an instance of an object when I used the 8 bit paths (i.e. progra~1)

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Command Text Was Not Set For Command Object

Apr 23, 2011

I'm running into the following error message when I click the button event: Command text was not set for the command object. [code]

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Command Text Was Not Set For The Command Object

Dec 21, 2009

If I comment out MdiUpdate() this run fine. When I run it with MdiUpdate I get the following Error...

da.Fill(ds,
"Mdi") Command text was not set for the command object.

I have also taken the code from the select statement and put it into the other 2 (replace the CliendGroupID = 3) and it works fine
Here is the code:

Public
Class NewFileInput
Dim inc As Integer

[code]....

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Add A Cancel Button To A Message Box?

May 19, 2009

How do I add a cancel button to a message box? I really need to know this because it is kinda stupid that i have a message box saying "Are you sure you want to clear everything?" and have no cancel button. Also what code do i need to make a program key where it is made so that I give a key and it works with that specific program another one will be made with a different key. I have no code for that because i have no clue where to begin (3 day trial code so it is locked would be nice to) The other problem I have is makeing the program open new windows so if i click trial then it will run for 3 days then done and with code making it run forever without the pop up again so how do I do all that?

Public Class Form1
Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
RichTextBox1.Undo()
End Sub

[code].....

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Add An Cancel Button To Inputbox?

Mar 19, 2010

Heres my code so far:

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

[code].....

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Cancel A Picturebox From Loading?

Aug 3, 2011

I am needing to cancel a picturebox from loading. However, I need to cancel is from loading using the imagelocation command.

Example.

Picturebox.imagelocation = "http://i1.social.s-msft.com/profile/u/avatar.jpg?displayname=lone+defiler&size=extralarge&version=00000000-0000-0000-0000-000000000000"

[Code]....

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Cancel Button Sometimes Not Working

Mar 20, 2010

When I use form properties (Cancel button)it's work but most time this properties will not work properly. How do I this...any another method to close the form on Esc. button...

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