SendKeys Underlying API Or API Equivalent To SendKeys?

Dec 1, 2009

I'm looking for the underlying Win32 API call that the DotNET Framework invokes on a SendKeys.Send or .SendWait call, or a Win32 API Equivalent to SendKeys.  I've already experimented with SetKeyboardState which seems like the way to go, except that it does not raise any kind of keyboard event that causes the set keystates to register with an active application or the OS (at least not until another key is pressed; for example I can meddle with the keyboardstate before events process on a natural keystroke, but I can't invoke a keystroke programmatically).


VS 2010 : Difference Between SendKeys.SendWait And SendKeys.Send?

Jul 28, 2009

What is the difference between SendKeys.SendWait and SendKeys.Send?Send obviously will just send they key immediately, but does SendWait actually wait for the message to be processed or does it also send it immediately?The function's name itself is just confusing. Which one should I use if I want to send keystrokes to a 3rd party app immediately, or is there no difference? To me, a few milliseconds is a big difference.

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SendKeys Not Working - SendKeys Is A Type And Cannot Be Used As An Expression

Jul 2, 2010

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
CheckBox1.Checked = True
While CheckBox1.Checked = True
End While
End Sub

That is the code, the error is "SendKeys is a type and cannot be used as an expression."

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.Net Sendkeys - My.Computer.Keyboard.SendKeys("{F4}", True)?

Dec 27, 2006

I have a VB.Net 2.0 application,  on my form I am using a Component ONE PDF reader control.I am trying to send to this control a F4 keystoke to close the navigation panel when it opens the PDF file.  It is not working or not accepting the sendkey.I put focus on the control first.  Code below:



My.Computer.Keyboard.SendKeys("{F4}", True)

I have tried different variations of the Sendkeys with no success.

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Sendkeys & Target - If The Target Of The Sendkeys Has Changed Between Sendings?

Aug 16, 2010

When using Sendkeys with, is it possible to tell if the target of the Sendkeys has changed between sendings?

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Right ALT (ALT Gr) With SendKeys?

Jun 12, 2010

I Need to send an Alt Gr + M command to a process but cannot find the option for the right alt key.... Is there one?

(Or an alternative method of sending an Alt Gr?)

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C# - Sendkeys From WPF Application?

Jun 20, 2011

I have an WPF full screen application and I configured Skype“s "Focus Skype" Hotkey to Ctrl+F6 combination.

How can I send this message to windows (Ctrl+F6)? I tried by sendkeys but is not working, it says that: SendKeys cannot run inside this application because the application is not handling Windows messages. Either change the application to handle messages, or use the SendKeys.SendWait method."

I tried Sendkeys.sendwait method but it minimized my full screen application and I need it remains full screen.

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How To Sendkeys For Down Arrow

Aug 30, 2009

In I want to do a sendkeys for the down arrow.

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How To Slow Down SendKeys

Oct 21, 2011

Currently, the sendkeys command is too fast for a game called "Minecraft" to process. Here is the code I got currently:

for the button:


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Looking For A Alternative To SendKeys?

Jun 8, 2010

So I've been doing a lot of reading today and apparently SendKeys isn't very reliable anymore.Does anyone know of another alternative to it for what I need:

The application works by the form being positioned over a open window, notepad, word, excel etc and it then determines what it is over, notepad, word, excel etc and then reads the file, and does some processing using SendKeys at the moment.Though I do believe I could probably change the later at some point.  The problem I'm having right now is when I try to send the Alt + Tab to change focus it's working roughly 12% of the time.If you are wondering I ran it 50 times and it worked 6 of those,thus the 12%.I'm thinking that is rather unacceptable.This is what I'm using which should work: SendKeys.SendWait("%{TAB}")

XP Service Pack 3 and 2005

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SendKeys And Certain Key Combinations

May 26, 2010

I'm trying to send Ctrl+A to Notepad but nothing is happening. Code for the button:


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SendKeys Does Not Always Work

Aug 13, 2009

I am currently using this code:


What this code does is send the keys "abc" to a process called Halo.exe. The problem is that sometimes the keys don't send and I need to add a sleep command before the keys are sent. How can I make my app always send the keys and make it so I dont have to use a sleep command.Don't Be Scared To Ask,

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SendKeys Not Working?

Jun 8, 2010

I'm using 2005 and trying to get a old vb 6 app upgraded that uses sendKeys.  I'm using:


which should be the proper text for Alt+Tab, anyone else having a similar problem or know of another way to get this to work?

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Sendkeys Or An Alternative?

Aug 30, 2010

First off, using VB2010. I'm in the process of upgrading some applications from VB6 to 2010 and haveing a great time of it.  The current application I'm working on is using Sendkeys of which I have changed over to the WSH.Sendkeys of which is pretty decent. Basically the program is copy and pasting the current open file, reading some data and saving it as a different file type.  It also has to change xls files to csv and then saving it to the format as well as a smiliar thing with word.  Thus the reason for the copy and paste as it's changing the extension to a dot date (for example, test.830).This is the flow of how it works for a text file (most basic)

1. changes focus to notepad

2. Select all Copy to ClipBoard

3. Open Programmers File Editor and a blank file

4. Paste in text

5. Save as extension to the directory

Excel files obviously have a few extra steps.

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SendKeys To Another Application

Feb 24, 2012

I've been developing applications in VB 6 for many years. For a long while now I've not been developing and I switched over to Windows 7. Now I've been asked to build a trainer so I moved over to 2010 and I'm struggling to make the transition. Anyhow I'm stuck with this trainer.I've been asked by many players of an online game to create an application that serves as a trainer for leveling up characters. I've been personally approached by some of the guilds also. This is an MMORPG so instead of running around for hours, the trainer simulates the keyboard key 1 being pressed which is the attack button. So the character attacks monsters automatically until you stop the trainer. In this way you can leave the game running in the background and do other work.This small project has got me really excited in working in vb 2010 and to me it's a small kick start. I haven't done anything like this is Vb6, it was more database orientated and educational game software I was developing. So I'm clueless in this area.

It doesn't really work. If I activate the ingame chatbox it returns 1 and 49 respectively into the text area but doesn't activate the "attack" command even if the chatbox is deactivated. I'm guessing it's not sending the keyboard press event but instead sending a string?

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Use SendKeys To An Invisible Cmd?

Oct 27, 2009

Im trying to use SendKeys to an invisible cmd(that i open in the program), but I can not get it to work. it just sends the text to the program that is active. is there any way to send a specific program I'm using Visual Basic Express editor 2008th

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Using Sendkeys/sendmessage?

Aug 14, 2010

I'm trying to send some words to an application I'm running (exe file, no webpage). To do this I run my vb program and minimize it, so that the application I want to send the words to have focus.Now I've tried sendkeys, but it seems sendkeys only sends my first word and does nothing with the other words. The code below is called 4 times by the main form

If i > 3 Then i = 0
i = i + 1
If i = 1 Then verhaal ="some text 1"[code]....

but this throws in a overflowexception was unhandled error at the apiSendMessage(hWnd, WM_SETTEXT, 0, "Hello") line.I've tried several things but I can't figure it out how to send multiple words to the application without problems .

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Using The SendKeys Routine?

May 28, 2009

I was looking for something send keystrokes and I found this helpful routine SendKeys that I can use in a VB Script. I wanted to have "Right Control Key + (Scroll Lock & Scroll Lock)" sent to the machine. Essentially, having the Right Control Key pressed, I need Scroll Lock pressed twice. Here is what I tried:

set WshShell = WScript.CreateObject("WScript.Shell")

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Using The SendKeys() Class?

Jun 21, 2010

I am trying to emulate the press of any of the arrow keys using the sendkeys class, I know that enter would be

But what is used for the arrow keys,


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VS 2008 How To Do 2 Sendkeys At Once

Jul 7, 2009

Ex: Alt button + i button.

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VS 2008 SendKeys To Another App?

Dec 28, 2009

How would I use sendkeys to sendkeys to another app?

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Application Not Working With Sendkeys?

Apr 24, 2012

So I have a form with a textbox1 thats supposed to enter in a set of keywords and then ebay will give you the"Instant suggestions" in return, but when I have my textbox1.text send the text over to the ebay form, ebay will not return any suggestions, unless I use the sendkeys.send method. Well, I do not like the sendkeys.send method because it's way too buggy &only works under the right conditions.Here's a pic of google instant and ebay does the same thing. So here's what I'm trying to get ebay to do:Here's the code that I have:

Dim theElementCollection As HtmlElementCollection = WebBrowser1.Document.GetElementsByTagName("input")
For Each curElement As HtmlElement In theElementCollection


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Cannot Send Keystrokes Via Sendkeys

Mar 25, 2009

Dim NotePadProcess As Process = New Process()
NotePadProcess .StartInfo.FileName = "notepad"
NotePadProcess .StartInfo.WindowStyle = ProcessWindowStyle.Normal


I am trying to send some keys to a program that I launched, but every time i send the keys focus is not on the program and the keys are sent to the wrong program. Is there a better way to send keys to a program or a way to set focus on a certain program?

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Delay A SendKeys.Send?

Aug 16, 2011

I'm making an auto typer that has multiple textboxes from different forms to send and it looks like this[code]...

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Different Code That Works Much Better Than Sendkeys?

Feb 25, 2012

Is there a different code that works much better than sendkeys?

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How To Use Sendkeys Methods Correctly

Oct 17, 2007


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Randomize The SendKeys Command?

Sep 28, 2009

I want to be able to randomize the SendKeys command, so what do I to to


To make it send those in random order?

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Repeatability Of The .Sendkeys Method?

Dec 7, 2009

I'm using a simple interface to write to notepad from a homemade module, but can't seem to get the My.Computer.Keyboard.Sendkeys method to work everytime.  When it does work, it works well.  When it doesn't, I can't seem to figure out what it's doing.  I'm just trying to copy text from a VB module to 'any' other app., in this case I was using Notepad.

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Sendkeys Doesnt Work?

Dec 2, 2010

well i have been looking all over the internet for hours and i just cant sseem to find a working line of code. ok i know this isnt efficent or anything but i just wana know how to use sendkeys to send control c (copy to clipboard) ive tried using this: Sendkeys.send("^C") and many varriations of that but none of them seem to work and i dont understan why. My program is highlighting some text then i want it to copy that to clipboard.

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Sendkeys For Windows Logo Key

May 12, 2010

I need to know how can I simulate pressing (Windows Logo Key + R) to run "Run" program ?And how to simulate pressing Application key as in this thread :


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Sendkeys Freezes The Computer?

Mar 30, 2011

I'm using a grid and the instructions SendKeys.Send("{end}") whenever I write a letter in a cell, so the cursor places at the end of the cell. It works when I write a letter, however when I write the symbol "/" it doesn't work, and when i get this instruction in the debugger, it freezes.

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SendKeys Not Working The Same On Every Computer

Apr 23, 2010

I write a program designed for interacting with an Android phone that is hooked up to a Windows machine. One of the tools in my program is a utility designed to help the user root their phone.Now in order to root it goes through a command line utility called adb which lets you access a terminal on the phone. It must then type commands in that terminal. Most processes that this program does can be done through a batch file, however rooting the phone isn't one of them. The reason being once it actually logs in to the phone's shell, it stops running commands because it just gets stuck on that line, waiting for it to finish. So despite being a little primitive I designed that part of my application to use sendkeys. So the way it should work is:

1) It launches powershell as an adminstrator

2) Types the following commands (I have abbreviated the number of commands it types for the sake of this board. There's actually about 20 lines total): [code]

For the people that have this happen to them, it's always the exact same thing. It's like it completely skips all letters until it gets to a special character. I have no clue what could be causing this. The only thing I have found was that sendkeys wasn't totally supported but that running it as administrator would fix that, which is why I now have it run as admin. But that didn't help. I also had some success by using powershell instead of cmd, but it's still failing for a small number of people.Any ideas what would be causing this? Every other part of the program works perfect except for this. I haven't found any common element between the people that it is failing on. They aren't running the same anti-virus or the same programs. I program and debug on Windows 7 64 bit, yet someone else can run it on the same OS and it won't type it out properly.

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SendKeys Or Initialize A Keypress?

Aug 2, 2011

I was wondering with Sendkeys, when I try to do sendkeys with a normal letter key on the keyboard with:


Does it send in a char value of the A or the actual keypress?

I have this in a timer:


But when I try to use it, it doesn't seem to be sending "A" and "S" as keypresses. With F9, I go into notepad and it does in fact alternate between the two as I can see "A" and "S" in the text area, but when I can't see whats going on, and I need a keypress of those two keys, it doesn't seem to work.

Sorry if this is an inadequate method for doing it, if you have a better method then sure i'd like to know, but this is just a really quick test.

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SendKeys To An Already Open Process?

May 20, 2011

so I have a console (that runs through a process) and it is redirected to a textbox (why I can't use shell) and I was just wondering how I can send keys to the console. What the console is doing is running a minecraft server. The server runs through the console and using the standard input does not work while the server is running (which stops me from stopping the server, and doing anything else to it).


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Sendkeys To An Emulator Or To Another Window?

Nov 6, 2010

I can sendkeys.send, and can sendkeys.sendwait to other games, before.I could even control my necromancer on Diablo 2, GAME. make him walk, and attack and such.I could even control Knight Of Honor, and Sims 2, and Sims 3. Sending Keys.That was easy, and the applications listen to me.I can even sendkeys to Flash Game, Super Mario, online, on a Web Browser, ... 

Why Can't I Sendkeys to Nestopia, or some other games, I don't remember anymore, but now I am trying to make a cheat, when Mac gets punched out, In Punch out, that I want the application to press the A & B Button, FAST, and Repeativly, ... why doesn't Nestopia listen to my application, and why isn't it allowing me to Sendkeys to it?This is very cool, because I've never Imagined me being able to use my Programming experiance to Sendkeys, lol, to a game, I played over 20+ years ago, who'd imagine that I'd be able to do that 20+ years latter, ... 

Imports System
Public Class Form1
Private Declare Function GetAsyncKeyState Lib "user32" (ByVal vKey As Long) As Integer
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick


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Sendkeys To Batch File?

Mar 3, 2012

if I press a button then it send keys to a opened batch file ...

I open batch file with this

Dim proces As String = folder.Text + "process.bat"

I want to send "stop" to process.bat. How I can do this ?


How I can close the process.bat when it is running ? I try with:

Public Sub KillProcess(ByVal processName As String)
On Error GoTo ErrHandler
Dim oWMI


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SendKeys To Certain Process Or Window

Jul 6, 2009

I am making a key presser for a game and I have it to just spam the keys, but I want it to send the keys to a certain process or window. Here is what I have:

Private Sub Timer8_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer8.Tick
'#7 in box'

That's an example of 1 timer. Is there any way to make it just send the keys to a process I am kinda new to this.

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SendKeys To Child Window

Jan 3, 2012

I have a small and irritating problem.

I used the following code to captute and set a 3rd party application as a child of my VB application:

ofd.ShowDialog And


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Sendkeys To Citrix Cilent

Dec 21, 2008

i want to send keys to AS00 which is running under the citrix client. I tried normal senkeys option in but not working. please give your valuable

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Sendkeys To Specific Window?

Dec 22, 2011

In Visual Basic 2008 Express Edition, how would I send keystrokes to a specific window.  Right now, I just keep the window I want on top and use sendkeys.send("{enter}").  The window that I want to send keystrokes to is my applications

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