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The components will try to use as much bandwidth as possible.
Never did I have the problem to limit the speed. Thread. Sleep could work and its time adjusted, you can measure the current speed by determining the time taken per package sent.
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These components run on the application stack and have no way to effect on the bandwidth which is controlled by the network stack. I'm not sure why you need to throttle the download speed.
Using Thread.Sleep might mimic throttling but can also lead to a connection disruption based on the timeouts set on the client and the server.
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Friends,I am new to vb.net and i have started designing a editor the problem is that my application is not running without visual studio.If i install visual studio the application is running.
How to run on machines without visual studio?
Help me friends...
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Without seeing the error message, everyone is just guessing.
No, you don't have to install Visual Studio. That's kind of like shipping the auto plant that built the car with the car!
You DO have to have the appropriate .NET Framework version installed on the machine though. Open up "My Project" in the Solution Explorer window and look at the "Target Framework" dropdown on the "Application" tab. That's the version of the .NET Framework that you wrote your code against and the version that must be installed on any machine that you want to run your app on.
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I didnt get any error messages.when i double click the application the waiting cursor appears for a while and then hides.The problem is that the application not even running.
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Well, since we know nothing about your application or its code, what controls you're using on the startup form, ... NOTHING AT ALL, it's impossible to tell you anything useful.
Help us help you.
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Try looking in the Event Viewer - Application log, it should give you some information about why your application is failing.
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I have used 3 buttons in my form num,caps,scroll to on and off the num,caps,scroll keys from myform
after i compile it works fine.And i copied the exe and executed it in another windows which has no visual studio.the application is not even executing...
The code Follows below:-
Private Declare Sub keybd_event Lib "user32" (ByVal bVk As Byte, ByVal bScan As Byte, ByVal dwFlags As Integer, ByVal dwExtraInfo As Integer)
Private Const VK_NUMLOCK As Integer = &H90
Private Const VK_SCROLL As Integer = &H91
Private Const VK_CAPITAL As Integer = &H14
Private Const KEYEVENTF_EXTENDEDKEY As Integer = &H1
Private Const KEYEVENTF_KEYUP As Integer = &H2
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
' Toggle CapsLock
' Simulate the Key Press
keybd_event(VK_CAPITAL, &H45, KEYEVENTF_EXTENDEDKEY Or 0, 0)
' Simulate the Key Release
keybd_event(VK_CAPITAL, &H45, KEYEVENTF_EXTENDEDKEY Or KEYEVENTF_KEYUP, 0)
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
keybd_event(VK_NUMLOCK, &H45, KEYEVENTF_EXTENDEDKEY Or 0, 0)
' Simulate the Key Release
keybd_event(VK_NUMLOCK, &H45, KEYEVENTF_EXTENDEDKEY Or KEYEVENTF_KEYUP, 0)
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
keybd_event(VK_SCROLL, &H45, KEYEVENTF_EXTENDEDKEY Or 0, 0)
keybd_event(VK_SCROLL, &H45, KEYEVENTF_EXTENDEDKEY Or KEYEVENTF_KEYUP, 0)
End Sub
Help me friends...
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What are the differences in your computer and the other one?
Operating Systems?
Installed .NET Frameworks?
What .NET framework did you use to write the program?
Is your computer 64-bit, how about the other computer?
Is the other computer running in a restricted account?
Does the other computers anti-virus pick up your program?
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I compiled with windows 7 ultimate 64 bit and i checked on a machine with same os but without visualstudio.The user is a administrator account and i have no anti-virus installed in my computer.
Still my exe is not running.I took the exe from debug folder of my project.
The .Net framework is 4.5,visual studio-2012 ultimate.The code is written in vb.net
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.NET 4.5 is not installed on Windows 7 by default. This may be the problem, you just have to install .NET 4.5 on the other machine.
Can you verify that .NET 4.5 is installed? VisualStudio 2012 installs it when it gets installed...
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Ok i will try what you have suggested.But i dont know how to install .net 4.5 along with my application i am new to this can you give me any suggestions........
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How did you make the setup for your program? What software did you use? Or did you copy the program over to the computer just using the files?
You can download the .NET 4.5 installer from here[^].
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I didn't use any installer i just copied and pasted the files and tried to run it.
I checked in one of my computer which has anti virus in my application only the splash screen is opening
and error message is shown with quit,contiue buttons with error codes.
Do i need to digitally sign my application to protect it from antivirus softwares......
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It would help if you told us what the error message said...
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This error occurs while executing form load event.and the following error is shown
unhandled exception has occurred in your application.if you click continue,the application will ignore this error and attempt to continue.if you click quit,the application will close immediately
cannot create an ActiveX component.
3 buttons with details,continue and quit appears.
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It seems you are using an ActiveX component that isn't installed or registered on the target machine. Can you verify that any ActiveX components you are using are available and they are registered?
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To add to Dave's answers, here is the summary:
The .NET Framework consists of various components:
1. The Runtime: Contains the core Framework and this is the only component that is required to run an app developed with .NET on any supported platform.
2. The SDK: This is required for developing apps using .NET Framework. Contains the compiler and other tools. You can use Notepad to write code and compile the code using the appropriate language compiler. It is a fun way to learn the internals and intricacies of .NET.
3. The IDE: Tools like Visual Studio and SharpDevelop that are strictly not part of .NET Framework, and provide a Graphical Interface to develop and test apps. Behind the scenes, they use the SDK.
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Hello to all,
I apologize if I initially written in Italian, but it's the first time I write a post. I will keep this for future visits.
I migrated my web service from iis6 to iis7 on win2003 to win2008, below the code for the asp.net page that connects to the web service:
Dim sComune As String = "Roma"
Dim converter As New WS_Comuni
Dim Valore As New ArrayList
Valore = converter.TrovaComune(sComune)
Literal1.Text = Valore.Item(0).ToString()
By testing the above code on the new platform Visual studio web developer shows me an error on the line:
Dim converter As New WS_Comuni
WS_Comuni as if it were incomplete.
WS_Comuni is both the name of the file. Asmx published, both the reference name of the service in the web project.
Could you please tell me why, just migrating from iis6 to iis7 stop this problem?
Thanks for the support, and I apologize again for the inconvenience
modified 14-Jan-14 20:22pm.
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Notice that this is an English speaking site.
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I am not sure if that old VB6-style of mixing a variable declaration and its initialization is still supported. Actually,
Dim converter As New WS_Comuni
means
Dim converter As WS_Comuni
converter = New WS_Comuni
I think
Dim converter As WS_Comuni = New WS_Comuni
should still work.
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As New is still supported in VB.NET, but the behaviour has been cleaned up.
In VB6, the variable would be treated as an auto-instantiated variable. This would result in poor performance and unexpected behaviour, as every reference to the variable would be changed to check for Nothing and assign the variable:
Dim x As New Foo
Set x = Nothing
If Not(x Is Nothing) Then
MsgBox "Boom!"
End If
Dim x As Foo
If x Is Nothing Then Set x = New Foo
Set x = Nothing
If x Is Nothing Then Set x = New Foo
If Not (x Is Nothing) Then
MsgBox "Boom!"
End If
In VB.NET, the syntax behaves exactly as you described, and the whole "auto-instantiated variable" mess has been removed.
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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That's actually VB.NET code. VB6 didn't support initialization during declaration.
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I was talking about Dim x As String = "something", or assigning an initial value to any intrinsic value type.
I know the New keyword is the only way to initialize a variable to a known instance at declaration time.
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