Listen To Left And Right Arrow Key On The Keyboard?
Aug 17, 2009
I am trying to use m.WParam to separate the event raised by left arrow key "<-" and right arrow key "->", but somehow m.WParam always = 0. How can i separate the event raised when the user press left or right arrow key?
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Aug 2, 2009
How do I get VB 2008 to Listen to the Keyboard Key strokes when I am in another program??
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Mar 28, 2010
I want to make an app which on loading sits in the system tray and even after I open another program (say notepad or vlc or anything) i.e. even when the app is not in focus and if I press "G" on my keyboard, the tray icon should show a tool tip - "key G is pressed". I have tried several codes but nothing works when the app goes out of focus. I can use Register Hot Key [url] but it needs a modifier also (like Ctrl or Alt etc. along with my key G). So, is there any way I can achieve this? something which many tray icons do like antivirus apps, etc. and I do not want to use AutoHotkey application.
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Apr 22, 2011
I want to do something with a left and right arrow press but i dont know how. (in Visual Basic Express Edition 2008)
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Sep 27, 2010
i have a doubt as to how to set left key using setkeyboardstate in VB.net?
i went through other threads but still couldnt get it
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Sep 28, 2011
When I set rowheadersvisible to true and run the program, the little arrow appears on the left of the datagridview and a cell is highlighted. (Accessible role is none.)
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Mar 16, 2012
I'm trying to develop macros for games. I'm currently coding with vb 2010 and I'm using the keybd_event API. It works great, I've done many working macros but I cannot find a way to send arrow strokes using this API. (Left, Right, Up, Down) I don't want to use the numpad. Here is what I've found: [Code] For some reason, nothing happens, no keystroke seems to have been sent. When I use any other ascii decimal from the ascii table, it does work but not for the arrow strokes.
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Jan 21, 2011
Is it possible to make a left mouse click whith the keyboard?
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Mar 22, 2010
i need help in write code for arrows up down left right like that found in keyboard by VB.net
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May 23, 2010
So I found this little morpg. The game is fun but really repetitive. I would like to simplify some of the tasks in the game. I do not know how to start this project. How can I recored arrow keys and then tell the computer to enter the arrow keys? One of the objectives in the game is to run around a farm 2x and scare away any wolfs. So the commands would be "arrow key up" for 30sec and then "arrow key right" for 4 sec and repeat. I have worked with robots in real life for some time. We would fill arrays with such instructions. One of the most fun things to program! But I have no idea how to do this in VB.
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Oct 21, 2008
I have a problem detecting whether one of the arrow keys is pressed, all the other keys seem to be detected apart from the arrow keys??? I have set key preview to True........ It detects the arrrow keys BUT ONLY if I have NO other controls on the form??? example..
Me.Text = e.keycode
It works, but then if I add a button for example, it stops.
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Mar 28, 2009
I'm using vb2008 Is that possible to change the pointer from left to right to right to left in the TextBox.
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Oct 28, 2011
Is that possible to change the pointer from left to right to right to left in the TextBox. to became as it show in the pic below.
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Oct 8, 2011
I am trying to figure out how to make a .SubString get the characters from right to left not left to right.Say if a user enters 123456789 in text box 1 and I use textbox1.text.SubString(0,2) it will display 12. But, I want it to get 89.I do not want it to get 98, but 89. I tried textbox.text.substring (0, -2) but that just gives an error.So if Gold is entered it gets ld
Fun
it gets un
VisualBasic
it gets ic
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Jun 6, 2011
I got a panel that i am adding labels to. I have autoscroll enabled on it so when they fill the viewable space it scrolls. but i need to put the labels to the left unviewable space(when left scroll is already at 0) The label is placed but i dont get the scroll bars and i cant force it to scroll to a - value.
Is this even possible? Same thing with UP.
Or is the Scroll only limited to Bottom and Right?
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Mar 11, 2010
I am trying to make a TCP chat program, but instead of having people enter in the ip of the computer they wish to talk to everytime, i would like the program to be able to listen on all ip addresses, so that it will provide for a better user experience, and that i can have chat rooms with multiple people joining. I have the code working with entering in ips, however, when i use the IPAddress.any command it will not send messages.
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Apr 17, 2012
I found the code linked below on on of Microsoft's websites for listening for keypresses, however I can't seem to ge thte code to respond?
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May 26, 2009
This is my first post, so hopefully I'm asking it in the correct place.
Currently I have two subs where the first calls the second.
Sub Sub1()
'some code
Call Sub2(x)
End Sub
Sub Sub2()
'some code
End Sub
This means that Sub1 does not end until after Sub2 is complete.I need to have Sub2 run after Sub1 has ended. In my case Sub1 is triggered from an application event, so calling the two subs from another 'parent' sub would not work.Is there a way that I can listen for the 'End Sub Event' of a sub?I am currently working in VBA but will be heading to .net shortly so I'll take whatever flavour of code people can help with.
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Apr 27, 2011
I have a program running on a machine on the local network that serves data on port 23. I'd like to be able to listen for data on this port, and add the data to a listbox when and if it comes in. Idealy this would run async. I sort of gotten this to work using the following: [code]
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Dec 6, 2011
I have barcode reader work by rs232 , i using converter from rs232 to TCP/IP to make it connect by TCP/IP, Now barcode send data on this Ip "192.168.0.125" on local network and the IP port is 50000 How i can listen to this ip to read the data send to this ip?
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Dec 17, 2010
I am developing an Application that uses TCP To listen for connections, and then when a message is sent to the server and then it alerts the IP that is running the server. (Lets say the server is on a iPhone, and some how the iPhone gets a text message, which alerts a tcp server running in the background via a .jar, it would send the owner of the iPhone a message on the computer telling it it has a text. This is just an example though, but I think it gets the general idea across. I've been trying to do this, and I can connect to a TCP Server (using 127.0.0.1:8888 for testing purposes, will move to a solid IP and Port later). I can start the server (its still buggy and under development) but i don't know how to connect to the server via an application, and when a certain message is received to alert the IP Running the server.
My Server Code is:
Dim serverSocket As New TcpListener(8888)
Dim clientSocket As TcpClient
Dim infiniteCounter As Integer
Dim counter As Integer
serverSocket.Start()
[Code] .....
Now I know that to connect you'd do something like
Code:
Dim clientSocket As New System.Net.Sockets.TcpClient()
Dim serverStream As NetworkStream
clientSocket.Connect("127.0.0.1", 8888)
serverStream = clientSocket.GetStream()
And I know I would have to use some sort of Byte() method to send/receive messages, but I am at a loss on how to set it all up.
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Oct 13, 2010
I have created a virtual keyboard like the "Windows onscreen keyboard". So, I have used the method sendkeys.But if I click on the button, it doesn't write nothing.
I think I have a problem with the FOCUS.As you can see, the "Windows onscreen keyboard" is always on top.This doesn't happen to my form. How can I do?
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May 19, 2011
I've a plugin which always listening to the port 6002, and i have an ASP.net application which sending messages to the same port and receiving the reply from the plugin on the same port,Sending is working fine, and the plugin sends a reply on the same port but i don't know how to catch this reply, when i try to listen to the same port using Tcplistener the start method throws this exception : Only one usage of each socket address (protocol/network address/port) is normally permitted,
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Mar 21, 2011
I would like to know if it's possible that when an event occurs, a string variable begins to listen (so when a key is pressed, its value is appended to the string) until another event occurs.
EDIT:I would like to make it other way:When the event occurs, I want a textbox to activate as if i double-clicked it (althougt it would be invissible, i olny want the textbox to make an event happen when the text changes using that text)
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Aug 6, 2011
I am doing a little project before I get onto some more complicated stuff and I am trying to become more fimilar with ports. Basically the issue at hand is that I am not too sure how to listen for on a certian UDP port.
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Dec 15, 2009
I have an object of type SomeObject, with an event StatusChanged. I have a property in SomeObject of type Status also with an event StatusChanged. Within a private function in SomeObject, I would like to run some logic (including firing the StatusChanged event) in the event that Status has fired its StatusChanged event. I have been away from events for a while so it's a bit cloudy to me. How do I do this?
I'm writing in ASP.NET/VB.NET EDIT Ok, in the event that I can't do the above, how would I get the outer object (SomeObject) to fire its StatusChanged event when the inner object (Status) fires its StatusChanged event?
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May 26, 2011
Currently I am doing a project that requires me to "listen" for new emails coming in MS Outlook. I have code that currently works to do everything else with the emails, but I'm not sure of the API/VB code (this is MS Access 2010 which uses VBA 7.0 running on a 64-Bit Windows machine) that will listen for new emails.
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May 10, 2011
Not surer if I know exactly how to ask or phrase this questions/discussion.I have a windows service that listens to a COM port for GPS data and send the information out through a UDP port to a listening application (VB6 app). I have a UI front end for the service that I would like to listen or watch the data and do some other things with the data.
The service raises an event in which I would like to have my UI listen to. Now I'm guessing that since my UI is on one thread and the service is on another, if I add a handler to the event, it may never pick it up.
Therefore, I am wondering how can I listen to the events from a sperate UI application. I heard a lot about Remoting, but my concern is configuration; our end users are not technical at all and not sure what is involved...and I'm not that familair with Remoting.
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Sep 12, 2009
This must be really obvious, but how do I make a winsock listen to a specific port (recieve data?)
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Mar 29, 2012
I am trying to make an application to listen in on a UDP port - the issue is that there is something already there. Here is the scenario: On port 5060 is a SIP-based softphone, it is listening for incoming calls. The application I am writing is also listening on port 5060 to receive the packets (which will then be parsed to extract the caller ID and various other statistics)
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