How To RaiseEvent In VB

Oct 18, 2011

I have 2 project in my Solution. Lets say Proj A and Proj B.Proj A is having my custom event. and same Proj is Raising that event using RaiseEvent Function of And Proj B is having reference of Proj A. but my custom event cant raise. Could any one can explain me how can I do that.?


I am calling handleSwipeCardRequest function first and then Raising its event.


What Does RaiseEvent Do

May 28, 2009

may I know what do RaiseEvent do?It raise event. But what kind of event? And what does the event do?

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Convert From C# For RaiseEvent

Sep 15, 2009

I converted the below C# to

public event SendMessageResultEventHandler SendMessageFailed;
protected virtual void OnSendMessageFailed(SendMessageResultEventArgs e){
if (this.SendMessageFailed != null)


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Converting To VB From C# RaiseEvent?

May 16, 2009

I have the following code:

Protected Overloads Overrides Sub OnInit(ByVal e As EventArgs)
Dim login As Login = TryCast(Control, Login)


I get errors on line 7, 8 and 9 stating that I should use RaiseEvent to obviously raise an event. I am stuck with this after searching google but I can find no real explanation of this in terms of the login control

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RaiseEvent Multithread?

Feb 24, 2011

I have client/server app.I have a class for the tcpclient and a class for the tcplistenerIn my tcpclient class I have a system.timers.timerThe timer elapsed event fires a public event(in the tcpclient class) which the tcplistener class handles.During debugging I see the timer firing its elapsed event and calling raiseevent on the public method, yet the event is never fired in my tcplistener class.

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RaiseEvent Tick But Only Once?

May 20, 2010

I have a situation where I want to run the code in the Tick event ONLY ONCE not on the interval i have the timer set too.So I figured I would just do thisRaiseEvent MasterTimer.TickBut that gies an error saying mastertimer is not part of the class.Why won't that work?How do I call the Tick event manually without Start() Stop() the timer?

dp.SyntaxHighlighter.ClipboardSwf = '/dp.SyntaxHighlighter/Scripts/clipboard.swf'


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VS 02/03 : How To Work With RaiseEvent

Mar 8, 2010

how to work with raiseEvent..

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VS 02/03 How To Work With RaiseEvent

Aug 19, 2009

how to work with raiseEvent..i want to call btnCheck_click() event from Class A to Class will i handle this..?

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Passing Byte() In RaiseEvent?

Oct 18, 2009

This is obviously a very basic mistake on my part but I am missing it completely.Here is the code

Public Event DataReceived(ByVal sender As Client, ByVal message() As Byte)
Public Event ErrorMsg(ByVal sender As Client, ByVal errormsg As String)


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RaiseEvent Differ From Calling A Sub?

Dec 24, 2009

I'm working with RaiseEvent and have a question. Can an event in a class be raised from another class, or only from within the class itself? How does RaiseEvent differ from calling a Sub, other than the syntax of having an event and using "handles event1"?

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VS 2005 RaiseEvent Not Working?

Apr 30, 2011

I'm having an issue with rasing an event. In my application I have a form and within that form I create an instance of a class (clsUsage). Within clsUsage I create an instance of clsUser which does several checks form permissions and other things. What I want is for clsUser to send status updates to clsUsage. ClsUser will be a dll but for now I've got it as a separate project in my solution. The RaiseEvent in clsUser seems to execute but the proc in clsUser that handles the event does not execute. I'm wondering if this is threading issue.


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VS 2008 RaiseEvent In Multithreading?

Dec 23, 2009

I am using RaiseEvent in a thread and I pass a value to it and try to set a control's text to the value. Except I get a cross-thread error which is expected. I could invoke the control, but I don't want to have to do that.

My question is, is there a way to invoke/delegate the RaiseEvent itself so it will work on the ui thread without doing anything else?

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App Has Gone Beserk. Application.Exit And RaiseEvent?

Feb 5, 2009

I have an app which has been working fine for about 2 months. Yesterday, I carried out a maintenance session which was mainly simple bug fixing and moving my code into regions to help navigating through it. Along the way, 2 things have started happening which has totally broken my app.

MSDN states that Application.Exit does not cause the Form.Closed or Form.Closing events to fire.[URL]..However, my Form.Closing event is firing immediately after Application.Exit which is in a button click handler on the form. The code is like this:


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VS 2008 - Difference Between InvokeMember And RaiseEvent

May 25, 2011

As the subject says, I was wondering what's the difference between the InvokeMember("click") and RaiseEvent("click"). Also I see around example of InvokeMember("onclick"). What's the difference with just "click"?

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.net - RaiseEvent When Debugging And Changing Execution Step?

Jun 20, 2012

I have this code in my application

If _oCurrentCall.CustomData.Length > 0 AndAlso UsageType = UsageTypeEnum.Vanlig Then
RaiseEvent NewIncomingCallWithCustomData(_oCurrentCall)
ElseIf UsageType = UsageTypeEnum.Sentralbord Then
RaiseEvent NewIncomingCall(_oCurrentCall, Queues)
End If

Without debugging the events are raised just fine and working.However, when debugging and trying to change execution step like dragging the execution step to the raiseevent in the other condition block, the event doesn't fire.

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Proper Use Of RaiseEvent While Keeping Things Where They Belong

Mar 25, 2012

The problem seems to be that the codes below are events and cannot be called directly. I want to know how I can properly use the RaiseEvent statement while still keeping these where they belong, smack in the middle of the rest of my huge code:


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RaiseEvent Fails To Be Recognized By Handler Routine

Jul 29, 2009

I am having issues with a user created event being detected by the event handler. This program is in, defined in an OO way, and there are several other classes that implement the same interface and their class instances all detect the appropriate Event, except for one.

The following code is the base class:

Public Class CommandSpeedTest Implements testInterface
Private SpeedTest As New ArrayList()
Public Event testComplete(ByVal test As IEnumerable) Implements


This exact structure is being applied to three other classes (all of which are instanced using WithEvents in class gui) and being cuaght correctly.

Single stepping through code just executes the RaiseEvent line and goes to the next. It should jump to the event handler and execute the code there.

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RaiseEvent Triggers 'Debugger.Runtime.CrossThreadMessagingException'

Mar 29, 2011

I have a class in VB.NET that has a method (called CurrentValue) that returns a number. There is also an event that the class raises to indicate the number has changed. In the event handler on my form, I update a textbox using the exposed method.[code]When I run this I get a "Debugger.Runtime.CrossThreadMessagingException" error. What could be doing this? I am instantiating MyClass in the same form that contains the textbox.I can also set properties of the MyClass object without any trouble.

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Windows - Use A RaiseEvent Statement To Raise An Event?

May 31, 2012

I get this error:


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.net - RaiseEvent From A UserControl That's Placed On A UserControl That's On A Form?

Jul 11, 2011

I have a Windows Form that contains a custom control container as a UserControl. For the sake of this question, this custom control container is called Dashboard. This container called Dashboard contains numerous other controls depending on their permissions. I need to raise events that are contained on these controls through the Dashboard control and over to the Windows Form.

How can I bubble up the event? I'm using VB.NET for this project, but can convert C# into VB.NET.Also, to complicate matters, the main Windows Form is a VB6 project. So, I'm using the InteropFormsToolkit to accomplish this.

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