[RESOLVED] Sendkeys: send LWin key

Hello,
I am trying to send the windows key (the one with the flag on) using sendkeys on the click of the button.

This doesn't seem to be working:

Code:

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Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        SendKeys.Send(Keys.LWin)
    End Sub

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Any help would be much appreciated.

Thanks in advance,

Harry.

Well honestly I'm not to fond of the SendKeys approach. If all you're trying to accomplish is to show the start menu then I would suggest trying this.

Code:

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Private Declare Sub keybd_event Lib "user32.dll" (ByVal bVk As IntPtr, ByVal bScan As IntPtr, ByVal dwFlags As IntPtr, ByVal dwExtraInfo As IntPtr)

Private Const VK_STARTKEY = &H5B
Private Const KEYEVENTF_KEYUP = &H2
Private Const KEYEVENTF_KEYDOWN = &H0

Private Sub Button1_Click( ByVal sender As System.Object,  ByVal e As System.EventArgs) Handles Button1.Click
  Call keybd_event(VK_STARTKEY, 0, KEYEVENTF_KEYDOWN , 0)
  Call keybd_event(VK_STARTKEY, 0, KEYEVENTF_KEYUP, 0)
End Sub

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Either way I'm sure this code snippet can be easily modified to suit your needs.

Thank you!

That works brilliantly. :)

Just wondering, is there a way of getting the names and locations of each of the shortcuts on the Start Menu?


Thanks,

Harry

Possibly, but they wouldn't involve opening the menu first. Might I venture to suggest that you may be going all round the houses? What exactly are you wanting to do?

SendKeys send string, so this SendKeys.Send(Keys.LWin) actually will send the code of Keys.LWin.

There is no special string to send Win key, but you can emulate by sending Ctrl+Esc, so try this

Code:

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SendKeys.Send("^{Esc}")

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Thanks for all of your help. :)

Quote:

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Originally Posted by 4x2y

SendKeys send string, so this SendKeys.Send(Keys.LWin) actually will send the code of Keys.LWin.

There is no special string to send Win key, but you can emulate by sending Ctrl+Esc, so try this

Code:

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SendKeys.Send("^{Esc}")

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Nah, that don't work for the same reason that the original code didn't. SendKeys sends direct to the current active application. The system won't respond because the system never receives the message. If it's on a button click event then, by definition it sends to the form on which the button is placed.

Quote:

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Nah, that don't work for the same reason that the original code didn't. SendKeys sends direct to the current active application. The system won't respond because the system never receives the message. If it's on a button click event then, by definition it sends to the form on which the button is placed

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No, it is work fine, when put a button on the form and click on it, the start menu popup.

Quote:

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Originally Posted by 4x2y

No, it is work fine, when put a button on the form and click on it, the start menu popup.

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In every situation, regardless of the number of other applications running, or when another application is running "Always On Top"? Anyway, my mileage is completely different. Never works. The keybd_event method never not works so I'll be sticking with it.

Ctrl+Esc is a system wide hotkey, that is, it is always received by the system regardless of the number of applications running, or any of them is running "Always On Top".