How to use Numlock in VB 6 for design a tiny calulate project

[sotvisal]

Dim s, op, op1, op2 As String

Private Sub cmd0_Click()
    s = s & cmd0.Caption
    txtresult = s
End Sub

Private Sub cmd1_Click()
    s = s & cmd1.Caption
    txtresult = s
End Sub

Private Sub cmd2_Click()
    s = s & cmd2.Caption
    txtresult = s
End Sub

Private Sub cmd3_Click()
    s = s & cmd3.Caption
    txtresult = s
End Sub

Private Sub cmd4_Click()
    s = s & cmd4.Caption
    txtresult = s
End Sub

Private Sub cmd5_Click()
    s = s & cmd5.Caption
    txtresult = s
End Sub

Private Sub cmd6_Click()
    s = s & cmd6.Caption
    txtresult = s
End Sub

Private Sub cmd7_Click()
    s = s & cmd7.Caption
    txtresult = s
End Sub

Private Sub cmd8_Click()
    s = s & cmd8.Caption
    txtresult = s
End Sub

Private Sub cmd9_Click()
    s = s & cmd9.Caption
    txtresult = s
End Sub

Private Sub cmdadd_Click()
    op = "+"
    op1 = s
    s = ""
End Sub

Private Sub cmdback_Click()
    s = Left(s, Len(s) - 1)
    txtresult = s
End Sub

Private Sub cmdclear_Click()
    txtresult = ""
    s = ""
End Sub

Private Sub cmddiv_Click()
    op = "/"
    op1 = s
    s = ""
End Sub

Private Sub cmddot_Click()
    If InStr(s, ".") Then Exit Sub
    s = s & cmddot.Caption
    txtresult = s
End Sub

Private Sub cmdequal_Click()
    op2 = txtresult
    If op = "+" Then
        txtresult = Val(op1) + Val(op2)
    ElseIf op = "-" Then
        txtresult = Val(op1) - Val(op2)
    ElseIf op = "*" Then
        txtresult = Val(op1) * Val(op2)
    ElseIf op = "/" Then
        txtresult = Val(op1) / Val(op2)
    End If
    s = txtresult
End Sub

Private Sub cmdMP_Click()
    Static b As Boolean
    If b = False Then
        s = "-" & s
        txtresult = s
        b = True
    Else
        s = Mid(s, 2)
        txtresult = s
        b = False
    End If
End Sub

Private Sub cmdmul_Click()
    op = "*"
    op1 = s
    s = ""
End Sub

Private Sub cmdsub_Click()
    op = "-"
    op1 = s
    s = ""
End Sub

[debasisdas]

why you have posted all that lengthy code here ?

[vb5prgrmr]

Why are you worried about the numlock key? You shouldn't need to be worried about the numlock key, at least not in this application.

Good Luck