I have this code that gets the local IP, It works when I'm directly connected to my ISP modem but when I'm in a router it displays the mac instead of the IP. I don't know what's missing in the code.
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I'm trying to use the DHCP API (using the references on pinvoke.net) to retrieve a computer's MAC address when given the IP address but I can't get the code to work. I've run all the C# code on pinvoke.net through the C#-to-VB converter but I'm stuck now.
Here's what I have so far. The value of res is always 5 (should be 0). Thing is, I can't find any documentation on what the return codes mean
vb
Private Sub GetMACDim client As String = "1.1.1.1" Dim server As String = "0.0.0.0" Dim si As New NativeMethods.DHCP_SEARCH_INFO si.SearchType = NativeMethods.DHCP_SEARCH_INFO_TYPE.DhcpClientIpAddress si.ClientIpAddress = Convert.ToUInt32(StringIPAddressToUint32(client)) Dim res As UInteger Dim oInfo As IntPtr
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Are there any IP Address filters or masks available in Windows Forms as per following screenshot? A backslash shouldn't be allowed or it should be filtered somehow.
View 1 RepliesSocketException was Unhandled: Only one usage of each socket address (protocol/network address/port) is normally permitted I get this error every time i click collect a second time.
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Can anyone point me to some code which can help obtain the network address from the host IP and subnet mask?
View 3 RepliesI made web browser which consist address bar that I use it to type addressess in it i.ewhen I type [URL] it opens [URL] but when I go to anther page in google it doesnot show it's link in address bar lix InterntExplorer or other international browsers so how to show any link or any sub page's link in my browser address bar ?
View 1 Replies ' Use Your work Group WinNT://&&&&(Work Group Name) Dim DomainEntry As New DirectoryEntry("WinNT://Wokgroup") DomainEntry.Children.SchemaFilte
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I have this code that gets the local IP, It works when I'm directly connected to my ISP modem but when I'm in a router it displays the mac instead of the IP. I don't know what's missing in the code.
code
Imports System.Net
Private Sub GetIPAddress()
Dim ip As IPHostEntry = Dns.GetHostEntry(Dns.GetHostName)
Label25.Text = ip.AddressList.GetValue(0).ToString
End Sub
e.g. mine
64.233.167.104
I am making a small application using vb.net 2008 in which i have to get the mac id of the network card in the machine. I have tried to search on the internet but the classes shown on the various forum are not of any help (may be syntax has been changed in vb.net 2008).Can any body tell me how can i get the mac id through vb.net 2008 programming.
View 13 RepliesI have a webbrowser1 and textbox and button is there anyway i can put an proxy in textbox1 and change mine to it ? so webbrowser1 can browse a website under that ip and not mine ?
View 2 Replieswith WIN 7 + Vb.net 2008 express how can i get the IP address and MAC id of my system..i got a thread there here but i couldn't fallow as it caused error.
View 2 RepliesI'm trying to figure out how to view the default gatways ip address and then get the mac address from that
how to see what the computers defualt gateway is?
I did try doing a search first but for some reason the search is not working for me, Sits there apparently 'searching' for around 5 minutes then get a page cannot be displayed so I thought I would ask the question instead.
View 5 RepliesMay I expose my "small" problem?Here, i'm following a course in my University, called Introduction to Programming, there are only beginners in our class. i'm also a newbie, to say so.And some stupid students were not paying attention so he gave us a crazy assignment for Friday 30th.This is what his assignment consists in. I have created a PDF file from his requirements and some samples of Code.[url]
View 6 RepliesI tried ipEntery.AddressList.GetValue(0).ToString in a messagebox
but it only displays link-local ipv6 address o f"fe80::28d3:3882:3490:1a95%11" is their another way of obtaining local ipv4 address directly?
How to extract the IP address before using EndAccept to accept the connection request. Its in a Layer3 of the Syn Packet on a TCP request I just dont know what Magic Is needed for Vb.net to extract that Header!
View 11 RepliesWhat is the best way to log into a website from a program. I can login using a web address. But I can't figure out how to utilize the web address and get it to log me in. I'm not too sure how to go about getting a login to work really. What is the best way to go about this? It is just a PHP-based website.
View 12 RepliesI have a class called 'Box' which inherits 'TextBox' and has one string property.I've added multiples of the class to the Form, and I want to then display each of the strings in each 'Box' in textbox1.Obviously, each new class is called, Box1, Box2, Box3 etc, so I know I can access the string with something like: textbox1.text = Box1.text + Box2.text + Box3.text But, if I start adding more 'Box'es to the form, how can i automatically 'address' the nex 'Box'es?
View 23 RepliesI need to find out the local IP address of my computer. I made this function which seems to do it decently but I was wondering if there are any better ways of doing it.
Function GetLocalIP() As System.Net.IPAddress
Dim localIP() As System.Net.IPAddress = System.Net.Dns.GetHostAddresses(System.Net.Dns.GetHostName)
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Hey there, I thought i would redo my question, How could i send packets in VB to a IP and Port, I'm unsure on how to do this could somebody tell me?
View 4 RepliesDuring development, we usually use localhost as the hostname, like the following
Dim serverListener As New TcpClient("localhost", 8585)
I want the user to be able to enter their IP address via a TextBox instead, like
Dim serverListener As New TcpClient(textbox1.text, 8585)
I have a simple program that uses this code
Dim sParams as string = ""
Dim emailto as string = TextBox1.Text
Dim subject as string = TextBox2.Text
Dim body as string = TextBox3.Text
sParams = "mailto:" & emailto & "?subject=" & subject & "&body=" & body System.Diagnostics.Process.Start(sParams)
From this thread [URL]
Now I have a table with about 6 email address's in. How would I go about sending emails to each one of these emails in the database using this code. User can also add emails to the database.
I am experiencing a perplexing error ("Index was outside the bounds of array") that did not surface a few days ago WITH THE CODE UNCHANGED.
I was even able to successfully create an executable file a few days ago. It was therefore a shock to be given this error when testing it today.
The snippet is shown below:
Dim GearArray(lines.GetUpperBound(0), 8) As String For x As Integer = 1 To lines.GetUpperBound(0)
Dim parts() As String = lines(x).Split(",")
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how can i solve this problem?
View 6 RepliesI would like to know if there is any way that you can verify that a email address actually exists like using this tool: [URL]. would like to wirte an application that does this in visual basics.
View 6 RepliesIs there any way to verify if an email address actually exists?
View 4 Repliescan I customize my datareport? How?I'd like to add static information such the name of the company, address, contact and so on...
View 4 RepliesI have a column in an excel file which contains a string. I need to loop through each row in the excel file and extract an email address from the string.
View 4 RepliesIt works like this: I select a surname from a listbox, this loads their address & eye test results. (Loads into text boxes). I then click order. (Loads a new form *orderform.vb*). Now I can enter information into 4 text boxes... I would like the surname, address & results to get sent to a letter, and then the new information from the text boxes to get sent to a letter... (.doc or .txt). But it has to get sent to a specific part of a pre-written letter...
View 5 Replies
