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Problem with keycode Alt

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Problem with keycode Alt
Mangore
11 Oct, 2008 - 09:18 AM
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I'm tried this code to show message when I press on the delete button and it succeed with me. I wnat to do same thing with Alt button but it didn't succeed with me
Can you help.
CODE
Private Sub Form1_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown
        If e.KeyCode = Keys.Delete Then
            MsgBox("ok")
        End If
    End Sub



This post has been edited by Mangore: 11 Oct, 2008 - 09:19 AM
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jacobjordan
RE: Problem With Keycode Alt
11 Oct, 2008 - 09:30 AM
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Simple. Unlike the delete key, there is no key code member for alt, control, or shift. To see if the alt key is held down, simply use:
vb

    Private Sub Form1_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown
        If e.Alt Then
            MsgBox("ok")
        End If
    End Sub

The e.Alt property returns a boolean of whether or not the alt key is held down.
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Mangore
RE: Problem With Keycode Alt
11 Oct, 2008 - 10:38 AM
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How to join tow buttons
exa: press alt+ctrl

This post has been edited by Mangore: 11 Oct, 2008 - 10:41 AM
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jacobjordan
RE: Problem With Keycode Alt
11 Oct, 2008 - 11:05 AM
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Just add an and operator to the if statement:
vb

    Private Sub Form1_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown
        If e.Alt And e.Control Then
            MsgBox("ok")
        End If
    End Sub
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Mangore
RE: Problem With Keycode Alt
11 Oct, 2008 - 12:00 PM
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Its wonderfull
What if I want the vb do inversely?
It's mean in the previews code wills does something if we implement the press keys
so I want a code to implement the press keys instead of the user.

example:
CODE
Private Sub Form1_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown
' implement instead of users
e.Alt And e.Control
End S
ub

And thank you for help!
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jacobjordan
RE: Problem With Keycode Alt
11 Oct, 2008 - 12:12 PM
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That's a bit more complicated. You will need to use a declare on the User32 dll, however i forgot what it was. I will try to find the function you need to use.
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jacobjordan
RE: Problem With Keycode Alt
11 Oct, 2008 - 01:32 PM
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Here is a thread i started a while ago when i was wondering how to do the same thing. I hope it can be of help to you.
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gbertoli3
RE: Problem With Keycode Alt
11 Oct, 2008 - 02:48 PM
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What about using the SendKeys
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jacobjordan
RE: Problem With Keycode Alt
11 Oct, 2008 - 02:57 PM
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QUOTE(gbertoli3 @ 11 Oct, 2008 - 05:48 PM) *

What about using the SendKeys

As PsychoCoder's coding religion would say, SendKeys is a legacy function left over from the old VB days. You can use it if you like, but it's not really recommended.
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gbertoli3
RE: Problem With Keycode Alt
11 Oct, 2008 - 03:03 PM
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I agree, but thought Mangore might think it would be easier.
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Mangore
RE: Problem With Keycode Alt
11 Oct, 2008 - 03:16 PM
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I'm sorry. for I'm newbie, I don't know how to use this in my project.
Thank you foru your effort
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jacobjordan
RE: Problem With Keycode Alt
11 Oct, 2008 - 03:22 PM
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Because you are a newbie, i recommend using the SendKeys function. In VB.NET, i believe it is already imported, so all you have to do is type "SendKeys". Try it.
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