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POHow do I send Keystrokes only to the Form and not other window?
 

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  1. POHow do I send Keystrokes only to the Form and not other window?
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    <p>How do I make the form send keystrokes such as Tab, Enter, Left Arrow etc to itself without interfering with other programs? If I use the SendKeys.Send method, it would send it to whatever window is opened. Is there a way to only work with the form? </p> <p><strong>Very quick random example:</strong></p> <p>Let's say I have 5 textBoxs and I click the 'Tab' button 5 times. What would happen ?</p> <p>It would change the focus from one textbox to another right? </p> <ul> <li>Can I make this happen automatically ... like make it happen in the background and only to the form itself. So If I'm typing something on Notepad, I don't want to receive those 5 tabs. </li> </ul> <p>By the way I know I can use this code to change the fofucs, but remember its only an example. </p> <pre><code>TextBox1.Focus </code></pre> <hr> <p>I was really hoping for someone to direct me to the right place, however I'm making a progress on my own, but I'm looking for more help. All I need is to click the tab button indirectly (without me being active on the form,) and without the sendkeys method. Is it possible?</p> <p><strong>Here is my attempt, which I think is wrong</strong></p> <pre><code>Private Declare Ansi Function SendMessage Lib "user32.dll" Alias "SendMessageA" (ByVal hwnd As Integer, ByVal wMsg As Integer, ByVal wParam As Integer, ByVal lParam As String) As Integer Private Declare Function FindWindowEx Lib "user32" Alias "FindWindowExA" (ByVal hWnd1 As Integer, ByVal hWnd2 As Integer, ByVal lpsz1 As String, ByVal lpsz2 As String) As Integer Private Declare Function FindWindow Lib "user32.dll" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Integer Public Const WM_CHAR = &amp;H102 Dim hwnd As Integer = FindWindow(vbNullString, "Form1") Dim x As Integer = FindWindowEx(hwnd, 0, "WindowsForms10.EDIT.app.0.14fd2b5", vbNullString) Dim keys As Keys ' send some keys SendMessage(x, WM_CHAR, Keys.Tab, 0) </code></pre> <p><strong>Why is it wrong?</strong></p> <p>Because instead of clicking 'tab' it sends tab to the textbox, so I'm still focused on the same textbox. It didn't actually change focus to the next textbox. </p> <p>Please if its possible help me, if not I will try more on my own. </p>
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      1. POHow do I send Keystrokes only to the Form and not other window?
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    1. COExactly what are you trying to do? It's not a good idea to solve half of a problem ("Haha! I know! I'll fake the input") and ask help for the other half ("How do I fake input?"). You'll get better answers if you tell us what problem you're trying to solve.
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    2. CO@martinhofernandes whatever happens to happen automatically or to have the same effect of that click I guess.
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    3. COI still don't understand why TextBox1.Focus won't do. Why do you think you need to fake input to your *own* application?
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      1. POHow do I send Keystrokes only to the Form and not other window?
      1. USR. Martinho Fernandes
 

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