Sending An Application Keystrokes With "SendMessage"

Apr 12, 2011

I have all the handle capturing and gui set up. I'm stumped as to how to perform the actual step.

I have this code:

SendMessage(New IntPtr(CurrentHandle), WHAT,GOES,HERE?)

[URL]

However, none of these are giving much of the "code example" method that I need to learn how to do it. I just need to send key events such as pressing "/" or "w", etc. No, I can't use sendkeys for this.

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I'm trying to do some interface for a game for people with mobility probs, like Parkinson, so grouping several game features in just one control.Everything goes fine but having problems sending keystrokes to the game window when they have modifiers.Lets say I want to send Alt+F1 keys, according all the search I have done, the code is:My.Computer.Keyboard.SendKeys("%{F1}")but it does just like I sent an F1 Keystroke: My.Computer.Keyboard.SendKeys("{F1}").I need to send Function Keys alone and too with Alt and Ctrl modifiers, but not success with modifiers,  the game only gets like an alone function Key was pressed.

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[URL]

That application can do it... Weird that he's using Sendkeys because it doesn't work in visualbasic

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I'm sending keystrokes to in inactive window. And I got that all good.

But now on my program there is a textbox pass, and I want to get that text, and send it threw postmessage. But It doesn't seem to work.


Dim pass As String
pass = textbox1.text
PostMessage(windowHandle, WM_KEYDOWN, pass, 0)

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Private Declare Function PostMessage Lib "user32.dll" Alias "PostMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Private Const WM_CHAR As Long = &H102
PostMessage("notepad", WM_CHAR, "T", 1)

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I am using visual basic code, specifically the sendkeys.send method, to send keystrokes to  a different application,  in my case Acrobat Reader.  Here is my problem.  I am sending instructions and text to define a path to a file I want to open in Acrobat Reader.  Every keystroke is being sent and interpreted in Reader correctly except the Colon.  This is the line of code I am using:Sendkeys.send("C:")

I have tried every variation of this simple line of code I can think of, but the result is the same.  Reader for some reason wants to interpret the Colon as Uppercase Q, so what I get is CQ.  This of course totally messes up my path to the file I want to open.Sendkeys. sendwait("C:")  Behaves the same

I understand there are timing issus with this method so I have added code to my app.config file suggested in this forum for taking care of the timing issue.  I have also inserted delays into the execution of the program steps.  Nothing I have done solves this problem.I wonder if anyone else has experienced this or a similar problem and if so what was done to correct it.

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I tried to use the same approach which is shown in [URL]

The code I used is as follows:

Const WM_CHAR = &H102
Const BM_CLICK As Long = &HF5&
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd

[Code].....

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when I run the same code on another machine it works just fine

this is my code:

'create the mail message
Dim mail As New MailMessage()
'set the addresses

[Code]....

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Code:
Dim cm As New c_manager.Form1
cm.Controls(1).Controls(0).Text = rch_subroutine.Text

[code].....

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[Code]...

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I have an issue regarding Sendkeys Class, as i want to use this class in order to send some keystroke to the active application. As a first step i want to test the {Enter} keystroke, so in order to achieve that i made a simple application in vb.net 2010

Public Class Form1
Public Shared data As String
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[Code].....

By the way in order to use double quotes in a parameter you need "test"...(i have spent 15 min to find out) so it might be usefull...

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[Code]...

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[Code]...

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[Code]...

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[Code] .....

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[Code].....

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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I write a code that is a like to this.

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[Code]....

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[Code]...

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CODE:

Whats wrong with this code? There is no error. But nothing happens when exicuted.

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