Send Event Handler From Dll Project To Windows Application?
Jun 7, 2010
I am having an Activex Application (dll) which contains a third party control ie a Chart Control, as well as a Windows Application(.EXE). I am using that dll project in my exe application in order to populate the Activex user Control. If i double-click on the Activex Control, how can i pass an event handler from this dll Project to Windows application? If this event gets worked successfully, i have to load a screen from that windows application.
When the user clicks on the Activex Control, ie the Chart Control, is there any way to send a event handler from dll project to Windows Application?
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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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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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Apr 13, 2011
I'ved found a lot of samples of this in C# like the following
[code...]
However in VB.Net for my WP7 project I write it like this
[code...]
And it doesn't work.I've been out of programming for a while and I'm looking to mess around and make an app or two for a friend.
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Oct 24, 2009
I have a windows application that has a tab control with 5 different tabs. Each of these tabs has a datagrid view that is populated with data on form load with data from SQL Server. I have an event handler for the datagrids for CellValueChanged that appends an asterisk, "*" to the tab, when a change is made, this is meant to mimic the same behavior in VS or SSMS. The issue that I have just realized is that on page load as the datagrids are populated this event handler is raised thousand of times. I have included an If Then statement to exit the sub if it occurs during page load, but am concerned about the performance implications, if any. Is there a better way to handle such functionality? Possibly a way to ignore the event handler on form load? If not is there a negative impact leaving this functionality in?
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Apr 3, 2012
I have some code for starting a process (notepad), and dynamically makes a event handler for the Exited event.
Private WithEvents notepad As New Process
notepad.StartInfo.FileName = "notepad.exe"
notepad.StartInfo.Arguments = fil
[Code]....
But when I try to change the text of a label in the Event handler the application just closes, without any error messages at all.
Sub ExitNotepad(ByVal sender As System.Object, ByVal e As System.EventArgs)
lblLabel.Text = "Test"
End Sub
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Aug 27, 2011
How do I get a Event Handler to fire from within a nother Event Handler?
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Mar 21, 2012
remove an event handler from within the event handler?
I have a class that gets data from a hand scanner. When the scan is complete and the data is validated, the class fires a custom "ScanComplete" event and returns the data in a custom EventArgs.
In the calling program, I'm creating an instance of the scanning class and adding a handler for the "ScanComplete" event. In the event handler I get the data that was scanned and then remove the handler.
It seems to be working but it feels wrong to remove the handler while I'm running inside the handler. Will this cause a problem?
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May 28, 2009
I want to send SMS by windows application. I ran the code but I got an error. This is
AT
OK AT+CMGF=1
OK AT+CSCA="+9460921985"
[code]......
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Sep 24, 2008
How can send and receive SMS through VB.NET windows Application...
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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 20, 2011
In my project one task is there in that one logfile is sent to any webserver.For[URL]...How to send a logfile to any webserver.
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Jun 29, 2009
In my project one task is there in that one logfile is sent to any webserver
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Sep 24, 2010
When I utilize AddHandler in VB to add my own method to the Click event :
AddHandler Button.Click, AddressOf myButton_Click
I see that my code executes last - after other event handlers for the Button_Click event. Is there a way to insert my event handler in front of other events so that it executes first?
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Mar 27, 2011
I have a vb.net windows form app that I am deploying as using the visual studio deployment project. The app needs to write event logs to the application log in the event viewer. For reasons explained here I need to create the event source during the installation process. Something like this to run as part of the installer
If Not EventLog.SourceExists(My.Application.Info.ProductName) Then
EventLog.CreateEventSource(My.Application.Info.ProductName, "Application")
End If
That code needs to be run during the installer with elevated privileges. So my questions are:
How do I execute that code above as part of the installer? How do I get the installer to do the UAC prompt to allow that code to run as part of the installation?
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Feb 6, 2012
I need to create a small report to be send automaticliy from VB.NET Windows application. I have wrote below code which is working on my private PC, and with Gmail settings, such as username + password + smtp.gmail.com, etc...
But with, my work informations, like my proxy ID + proxy password + company smptserver + port 25, does not working .
Do I missing some lines in my code?
CODE:
Here is also printscreen of error, while try to execute program.printscreen
Attached image(s)
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May 11, 2009
I am Developing one designing tool..in this i have to implement Bring to front and sent to back properties.
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May 27, 2011
how to send a file to any website using http protocol in vb.net windows application?
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May 27, 2011
How to send a file to any website using http protocol in vb.net windows application
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Feb 6, 2012
I need to create a small report to be send automaticliy from VB.NET Windows application. I have wrote below code which is working on my private PC, and with Gmail settings, such as username + password + smtp.gmail.com, etc...But with, my work informations, like my proxy ID + proxy password + company smptserver + port 25, does not working .
Imports System.Net.Mail
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim Mail As New MailMessage
[code]....
here is also error while try to execute code from program.
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Aug 4, 2011
i have made a window application programme in vb.net.i want to make a setup sothat it can easily install on another computer.plz help me....Pramod Gupta
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Aug 21, 2005
I need to be able to send keycode keys.apps (windows context menu key) to an application. Surely if I can detect the keypress, there's a way to send the keypress, right?
What I'm doing is having a 3rd party app save a screenshot and the only way to have it do so is through its right click context menu.
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Oct 8, 2009
I need helps on the following of my questions. I want to separater my Windows application project into two parts.(Currently how i code is all my class, module, form will be in one single project)
Now I want to separate them into two projects under one solution.That is One project will only include pure design which is win forms.And another project will include DB processing and background business logic.
Can I know how to do that??Currently only way I can think of is pass the required win form control to the Class Project. But I don't think it is a good way. And at some point, I may need to use all controls on the form to perform a single job. So, I end up passing all controls to the Class Project.
I want to try to google it but don't know which key words I should use to search. My vocab power is not that good in english.If you know how or have some samples (even a button click or display some text sample) , please kindly share me about this.
The reason I do this is because I want to separate my business logic with design. So, later me or other developer who handle my projects can focus on business logic if something went wrong. I think this can make the projects easier to debug and study.And also easier to pass to end user if we update or fix the error.In so, we don't need to give the whole set up package to user. we only need to pass them the dll class.
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Feb 8, 2010
I wanna use the C# code file in VB.Net project Which is windows based application. But that C# class is not using in VB.NET application. How Can I perform this task.
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Aug 25, 2009
I have a web service that I'd like to include as a project reference inside a windows forms application. (The application will be running on non-networked hardware.) I could simply copy the *.vb files I need into my forms project, but I'd rather not fork the code base.It wasn't hard to include the ASP project in the windows forms solution. However, I can't figure out how to reference it in my forms code.
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Jun 22, 2010
Step-by-Step Process of Creating a Setup and Deployment Project for windows application
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Jul 6, 2009
I am running vb.net in visual studio 2005 and i am fairly new to it all, whilst trying to create a windows application i have lost the .vbproj file and am only left with the .vb code that has been created whilst i have been using the toolbox to create the application graphically. Is there anyway for me to recover the .vbproj file without having to redo the whole thing?
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Mar 26, 2012
In my VS2010 VB project I have a lot of external references to DLLs, to the point that organization has become a major headache and I'm wondering if I am going about it the wrong way. My assembly references include common redistributables (SQL Server Compact 3.5 SP1, ReportViewer 2010 SP1, DataVisualization, as well as some useful 3rd party dlls from CodeProject and CodePlex.
Currently, I am copying each DLL into a 1st level folder (/dll_lib) under my named project folder (under the solution folder), and adding the reference from that path. However, I see that Visual Studio copies the DLLs to various other locations (/bin/debug or /bin/release) in my project when I build the project or solution, and some of the 3rd party DLLs come with instructions to copy them manually to /bin.
What is the "best practice" for where to put the DLLs? Can I just put all of them under /bin and let the build event copy to /bin/debug or /bin/release as required? Should I try to force a single reference path for the dlls in the project output?
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Jul 30, 2011
Is it possible to determine using VB.NET whether a certain event has any handlers attached to it? I don't own the event, in this particular case I want to know which of the items in a Windows.Forms.MenuStrip have their ToolstripMenuItem.Click event handled.
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Mar 13, 2010
I need to use system.windows.sendkeys.send or whatever to send the Windows and D key. How would i do so?
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