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Capture ENTER on number and not main keyboard

Posted on 2003-10-29
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Last Modified: 2012-05-04
Is it possible to programatically know the difference from when the ENTER key on the number pad is pressed rather that the ENTER key on the main part of the keyboard.  Client is wanting to use the ENTER on the number pad as a TAB and the ENTER key on the main part of the keyboard as the normal ENTER key function
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Question by:Adam95GTS
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9 Comments
 
LVL 96

Expert Comment

by:Bob Learned
ID: 9644995
AFAIK, the answer is no.
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Author Comment

by:Adam95GTS
ID: 9645022
Was afraid of that.
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LVL 96

Expert Comment

by:Bob Learned
ID: 9645036
Sometimes, you have to take a step back and analyze customer requests to see "why" they want to do things, and try to talk them out of "non-standard" behavior for software.  We get those kind of requests all the time, and I have learned to ignore most of them.

There is supposed to be a difference in the Virtual Key code, but experience has shown that to not be the case.  There may still be some magic out there, but I haven't found it yet.
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LVL 17

Expert Comment

by:zzzzzooc
ID: 9645669
I think i've seen games that implement an extended Enter (NumPad) and regular Enter for keyboard mapping, not sure how though. Might be possible with a keyboard-hook if it allows KEYEVENTF_EXTENDEDKEY checks.

But, you could just have the user press the NumLock when they wish to use the NumPad enter. Then you can just check the state of the NumLock to differ between the two.

Private Declare Function GetKeyState Lib "user32" (ByVal nVirtKey As Long) As Integer
Private Sub Form_KeyDown(KeyCode As Integer, Shift As Integer)
    If KeyCode = vbKeyReturn Then
        If GetKeyState(vbKeyNumlock) = 1 Then
            MsgBox "Enter Pressed (NumPad)"
        Else
            MsgBox "Enter Pressed"
        End If
    End If
End Sub
Private Sub Form_Load()
    Me.KeyPreview = True
End Sub
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LVL 96

Expert Comment

by:Bob Learned
ID: 9645710
Bending to customer requests can make you invent some crazy stuff!!
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Accepted Solution

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mazfar earned 50 total points
ID: 9645873
The solution is given in a microsoft article at the link below:

http://support.microsoft.com/default.aspx?scid=kb;en-us;188550

ciao
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LVL 96

Expert Comment

by:Bob Learned
ID: 9645894
Like I said there is some magic out there that I hadn't found yet.  There is always room to learn.
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LVL 5

Expert Comment

by:fantasy1001
ID: 9647554
Adam, mazfar has the correct and direct answer. Well done!
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Author Comment

by:Adam95GTS
ID: 9649847
Excellant, thanks alot for the help!!
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