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Private Sub TextBox1_MouseWheel(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles TextBox1.MouseWheel
TextBox1.Text = CInt(TextBox1.Text) + e.Delta / 120
End Sub
Private Sub TextBox_MouseWheel(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles txtZS.MouseWheel, txtFZ.MouseWheel
If My.Computer.Mouse.WheelExists Then
If CType(sender, TextBox).Text <> "" Then
If e.Delta > 0 Then
CType(sender, TextBox).Text = CType(sender, TextBox).Text + 1
Else
If CType(sender, TextBox).Text > 0 Then
CType(sender, TextBox).Text = CType(sender, TextBox).Text - 1
End If
End If
End If
End If
End Sub