Postmessage send "ctrl + N" to notepad not work

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But can't send "Ctrl + N" key
Can anyone help me? I need to send the key without focus

What I have tried:

VB

PostMessage (hwnd, WM_SYSKEYDOWN, Keys.F, 2 ^ 29) 'Working - Alt + F
PostMessage (hwnd, WM_CHAR, Keys.A, & H1C0001) 'Working - Shift + a = A
PostMessage(hwnd, WM_KEYDOWN, VK_CONTROL, vbNull) '4 Not working
PostMessage(hwnd, WM_KEYDOWN, Keys.N, vbNull)
PostMessage(hwnd, WM_KEYUP, Keys.N, vbNull)
PostMessage(hwnd, WM_KEYUP, VK_CONTROL, vbNull)

Posted 21-Mar-19 5:14am

Member 10216758

Updated 21-Mar-19 21:32pm

v2

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Comments

[no name] 21-Mar-19 11:55am

Why didn't you show the codes you used for "CTRL + N"? Wasn't that the question?

[no name] 21-Mar-19 12:41pm

See here, accepted answer: c# - Sending CTRL-S message to a window - Stack Overflow[^]

Maciej Los 21-Mar-19 18:51pm

Sounds like an answer.
5ed!

[no name] 21-Mar-19 19:01pm

Dear Maciej
Ok I try it. Even it was a lucky google shot :)
Thank you for pushing me on that ;)
Bruno

Maciej Los 21-Mar-19 19:09pm

You're very welcome.
Cheers!
Maciej

Member 10216758 22-Mar-19 11:08am

Thank you for the help, but I need to send the key without focus. The sendkeys function must select the window

2 solutions

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User 11060979 · Answer 1 · 2019-03-21T13:01:00

Solution 1

See here: c# - Sending CTRL-S message to a window - Stack Overflow[^]

What I understand from the accepted answer is, to send "Ctrl&key" messages (and most probably also "shift&key" etc. you can not use PostMessage.

Therefore check accepted answer, it looks promising for you.

I hope it helps.

Posted 21-Mar-19 13:01pm

User 11060979

Updated 21-Mar-19 13:16pm

v2

Comments

Maciej Los 21-Mar-19 19:08pm

5ed!

[no name] 21-Mar-19 19:08pm

Thank you very much!
Bruno

Maciej Los · Answer 2 · 2019-03-21T21:32:00

I'm not a follower of such of programming...

I'd recommend to use standard methods to read/write text files. See:
Reading from Files in Visual Basic | Microsoft Docs[^]
Writing to Files in Visual Basic | Microsoft Docs[^]
Manipulating Files by Using .NET Framework Methods (Visual Basic) | Microsoft Docs[^]