"ApplyChangeFailed" Event Not Found
Dec 11, 2010
i have this class that i down loaded from MSdn but some when i paste onto my code it says that the event "ApplyChangeFailed" cannot be found and yet i have followed the guidelines.
Partial Public Class NorthwindCacheServerSyncProvider
Private Sub NorthwindCacheServerSyncProvider_ApplyChangeFailed( _
ByVal sender As Object, ByVal e As _
[Code].....
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Nov 4, 2009
I can't quite get a variable to pass between buttons. The variable that I want to pass is totalNumbers and each time a different button is pressed its supposed to subtract a predefined number. Im getting three errors all to do with "Statement cannot appear inside a method body. End of method assumed." What I am trying to do is put a sub procedure inside a button that will be passed back and forth between my call statement and my private sub btnBegin.
[code]...
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Jan 2, 2012
I am getting error like
Event GiveFeedback cann�t be found.
Name DragDropEffects cann�t be declared.
Event MouseDown event cann�t be found
[Code]....
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Apr 5, 2012
I used to run the following code on WIN XP PRO and it used to work. But why not running anymore on WIN 7:
Dim Log As New System.Diagnostics.EventLog()
Log.Source = "Demo Log"
Log.WriteEntry("Hello World", EventLogEntryType.Warning)
It gives the following error message: The source was not found, but some or all event logs could not be searched. Inaccessible logs: Security.Luai Alrantisi, BSc in Computer Engineering, University of Ottawa 2007, Canada. IT Manager of MTN Mobile Telecom.
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Oct 1, 2010
We have an VB.net application that is being moved from one box to another. It runs great on the old box. The new box is configured the same as the old one but is on newer hardware. When I run the application on the new server it complains that the adobe toolkit that we use can not be found.
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Nov 17, 2011
Im trying to create a windows service with vb.net but when I run: InstallUtil.exe myservice.exe
I'm getting the following error in the MyService.InstallLog file: Restoring event log to previous state for source DebtorInvoiceMailingService.An exception occurred during the Rollback phase of the System.Diagnostics.EventLogInstaller installer. System. Security. SecurityException: The source was not found, but some or all event logs could not be searched.Inaccessible logs: Security.An exception occurred during the Rollback phase of the installation. This exception will be ignored and the rollback will continue. However,the machine might not fully
DebtorInvoiceMailingService.vb
Imports System.ServiceProcess
Imports System.Timers[code].....
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May 22, 2012
In my Visual Basic the Event "Load" cannot be found. This happens when I add a theme. Is it possible to add the "Load" event?
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Aug 13, 2011
Currently I am using this code to check for Firefox on a 32 bit machine
Code:
Dim Firefox32 As String
Firefox32 = My.Computer.Registry.GetValue _
("HKEY_LOCAL_MACHINESOFTWAREMozillaMozilla Firefox 5.0in", "PathToExe", Nothing)
MsgBox("The value is " & Firefox32)
If the value is found then the above message is fine, but if the entry is not found I want it to display a message like: "Firefox could not be found" instead of "The value is: " What code would make this appear?
[Code]...
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Jul 31, 2010
I've read thru Iceplug's tutorial on control arrays and got it working. I tried to add a new event by basically copying his click event code and calling it a doubleclick event. I used the proper addhandler and assigned the correct name to my sub. I have the click event changing the background color to blue and the doubleclick event changing the background color to green. The background color does not change to green. Why?
Heres the tutorial with my new code encased in asterisks ...
Code:
Imports System
Imports System.Windows.Forms
Public Class form1
[CODE]...
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Mar 30, 2009
I am using VB.NET for Windows applications. What is the difference between Load event,Activate event and Enter event in the Form and in which order the above event is executed.
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Jul 20, 2010
I'm trying to validate a few things in a form I'm building. It has a datagrid with clients info (taken from an access database) and a few textboxes where the user can type some search criteria. The thing is that those same textboxes are used to add new clients to the database and to modify a client's information if one from the datagrid is selected, so I made it that the buttons to insert and modify clients are disabled on load and thenevery time the text on a textbox changes ("TextChanged" event) they become enabled. So far so good. But then I wanted to make it so when a client from the datagrid is selected both buttons become disabled again until the text on a textbox changes (to make sure they're adding a different client and not the same one that was
selected).
I tried using the CellClick event from the datagrid to disable the buttons, but since every time a client is selected from the datagrid the info is shown on the textboxes, this triggers the TextChanged event too, and the buttons become available.So, is there a way I can tell the TextChanged event not to be triggered when the CellClick event occurs?
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Apr 18, 2011
The event handlers in my parent class are never called though the events are raised in the child class.
The Code:
Public Class childForm
Public Event checkboxchangedEvent(ByVal checkbox1 As Boolean, ByVal checkbox2 As Boolean)
Private Sub checkboxchanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox1.CheckedChanged, CheckBox2.CheckedChanged
[code]....
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May 10, 2011
- Where (what folder) is the vbc.exe to be found?
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Nov 27, 2010
I'm trying to complete this airline reservation application, but having a problem in this part of the question:Creat an event handler for the FlightBindingSource's PositionChanged event: select FlightBindingSource in the class Name combobox then select position changed in method name combobox to creat the FlightBindingSource's PositionChanged event handler. Write a code to access the currently displayed flight object and pass its flightNumber to method DisplayPassengers as a decimal.This Is my code so far:
HTML
Public Class AirlineReservationForm
Private database As New ReservationsDataClassesDataContext()
Private Sub FillAll()[code].....
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Feb 12, 2010
Eg. ""vb.net" timer event trigger on purpose". This application is meant to run at all times to download a web page every minute. To avoid freezing the UI, I read that the best solution is to move the code from a While/Sleep loop to a Timer that will be triggered every minute. The problem I have, is that the user must wait for a minute before the event is triggered:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Timer1.Interval = 60000
Timer1.Enabled = True
[CODE]...
Is it possible to force this event to occur instead of waiting for it?
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Nov 16, 2010
I'm trying to execute different code depending on the button clicked (button 4 or 5) on Form1, but when I click on button5 to activitae the code on the Form2's Load event everything is Ok, but when I click the back button to return to Form 1 and click on the Button4 to activate the code on the Form2's Load event again, it doesn't active the Form's Load event, is there a way to form the form load event every time I access it from Form1? [code]
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Sep 20, 2010
Starting from my understanding about Background worker control, I understands that the background worker runs the code in its "DoWork" method in a seperate thread, while ProgressChanged and RunWorkerCompleted events are executed on the main thread.In my senerio, I report the progress and under an specail condition my application displays a message box to the user in "ProgressChanged" method using MessageBox.Show(). and in "Run Worker Completed" event the application finalize some work. There the sequence is important, suppose that the message is of Yes or No type and finalization depends on it. Now when i run my application, the background worker triggers "ProgressChanged", but as soon as backgroundWorker's cancelAsync() is called the program leaves the current "ProgressChanged" method and executes "RunWorkerCompleted" code first.How can i make sure that the "Run Worker Completed" code executes only after the completion of ProgressChanged method.
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Apr 9, 2010
Programming language is vb.net
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Dec 23, 2009
As you noticed, in the code bellow, the event argument for the form click event has the type "TimedEventArgument".When the event is raised, e.Time holds the time where the form was clicked.Add the missing code in the class Form1 to make this work.You will not change anything to the methods "Form1_Click" or "Form1.Load".You will not use Option Strict On. HOWEVER, you will not do any narrowing or late binding that wouldn't have been allowed if Option Strict was on.You cannot create any new Class, Structure or Module.You cannot cast the EventArgs to TimedEventArg in any way
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Oct 20, 2009
Below I create an array of labels. I would like to add an click event to my labels. Can someone point me in a direction?
[Code]...
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May 17, 2012
I am making a function of an application that when a function is called the application will close all processes that are owned by the user and were started after a specific point. My thoughts on this would be to trigger an event in my application every time a process is started and ended, and only if the processes is owned by the user, the event should get information (e.g. the process ID, name, etc) about that process and add or remove that information to/from an array depending on if the process starts or ends. Then when a function is called end all the processes in that array.
[Code]...
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Feb 9, 2011
I have a Visual Basic Program that, when I enter data into a textbox, uses LEAVE events to update it. However, it will not update until I go to another textbox or press a button or other similar control.This also happens when using the LOST FOCUS event.How can I make the textbox update (be it doing a financial recalculation or some other custom function) happen when the user clicks/tabs out of the textbox and NOT having to click on a button or into another textbox?Do you recommend having a separate button for performing the custom functions?
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Jun 30, 2009
Can i Know how to catch between these 2 event, Leave and Click?
I have one checking in a textbox Leave event. I will go check whether this ID is already exist in DB or not. If exist, I will prompt MSG box to user.
When I click on Close button while focus is on textbox, this textbox Leave Event will trigger first before Button Click event.
So, the form remains open without trigger Button Click event.
how to prevent this textbox leave event or how can i catch/control this situation?
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Aug 16, 2010
In VB6 we had a code inside textBox_MouseUp to call textBox_KeyUp(-1, 0) and the signature of KeyUp was
Private Sub textBox_KeyUp(ByRef KeyCode As Short, ByRef Shift As Short) Handles textBox.KeyUp
Now when I migrate to .NET I changed the KeyUp event to Private Sub textBox_KeyUp(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles textBox.KeyUp
How can I do this call textBox_KeyUp(-1,0) now from textBox_MouseUp event?
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Dec 25, 2011
what is the error in the bleow: 'Public Event OnFilterAdded()' is an event, and cannot be called directly. Use a 'RaiseEvent' statement to raise an event. Note: the error line is italic underline
Imports System
Imports System.Collections
Imports System.Configuration
[Code].....
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Dec 29, 2011
So it's clearly there, and functioning, though visual studios believes otherwise. it's becoming quite the nuisance when I'm dealing with 10+ controls.
Note: This only occurs for my user controls.
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Oct 7, 2011
In created a small window's form app and when I try to install it on a cpu running Vista I get the following error when I run the app:"the procedure entry point lstrcpyml could not be located in the dynamic link library MSDART.dll"
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Dec 23, 2011
File Not Found when it's there
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Feb 13, 2010
VS 2008 .NET 3.5 Windows XP I have got an exception in the following code:
<DllImport("user32.dll", CharSet:=CharSet.Auto, SetLastError:=True)> _
Public Function GetNextWindow(ByVal hWnd As IntPtr, ByVal wCmd As GW) As IntPtr
End Function
Private Sub Form1_Paint(ByVal sender As System.Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint
Dim w = GetNextWindow(Me.Handle, GW_HWNDNEXT)
End Sub
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May 27, 2009
I have an issue with the VB IDE My project was working fine.I was adding some combo boxes and adding some code for the combo boxes to the form "iNet_MDI". I ran it in debug a few times to watch it and the next thing I know, I see "Key not Found Parameter name:key" in the Warning list. It says the Warning is on line 369 in iNet_MDI.Designer.vb.When I click on this message, it takes me to line 369 which is "Me.gb_RTO.Font = NewSystem.Drawing.Font("Arial", 10.0!, System.Drawing.FontStyle.Regular,System.Drawing.GraphicsUnit.Point, CType(0, Byte)I can comment this line out and the warning still exists and it still points to the same line.
I have tried to rebuild the project and clean the project.I have tried commenting out alot of the code, but nothing seems to clear this warning message. I can't get to the Design screen to try to remove any tools from the form. An error screen appears in place of the Designer I t gives me the option to "ignore and continue", which does not work.I see the Call Stack here on this page and it says:
at System.ComponentModel.ReflectPropertyDescriptor.SetValue(Object component, Object value)
at
[code]....
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