VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   6645
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   6975
   LinkTopic       =   "Form1"
   ScaleHeight     =   6645
   ScaleWidth      =   6975
   StartUpPosition =   3  'Windows Default
   Begin VB.CommandButton cmdCalculateSalesTax 
      Caption         =   "&Calculate Sales Tax"
      Height          =   495
      Left            =   4320
      TabIndex        =   9
      Top             =   2640
      Width           =   1215
   End
   Begin VB.TextBox txtPrice 
      Height          =   375
      Left            =   4320
      TabIndex        =   0
      Top             =   1080
      Width           =   1095
   End
   Begin VB.Frame Frame1 
      Caption         =   "States"
      Height          =   3135
      Left            =   360
      TabIndex        =   1
      Top             =   840
      Width           =   1815
      Begin VB.OptionButton optDE 
         Caption         =   "&Delaware"
         Height          =   255
         Left            =   240
         TabIndex        =   6
         Top             =   2520
         Width           =   1335
      End
      Begin VB.OptionButton optNY 
         Caption         =   "&New York"
         Height          =   255
         Left            =   240
         TabIndex        =   5
         Top             =   2040
         Width           =   1335
      End
      Begin VB.OptionButton optMD 
         Caption         =   "&Maryland"
         Height          =   375
         Left            =   240
         TabIndex        =   4
         Top             =   1440
         Width           =   1455
      End
      Begin VB.OptionButton optOH 
         Caption         =   "&Ohio"
         Height          =   255
         Left            =   240
         TabIndex        =   3
         Top             =   960
         Width           =   1455
      End
      Begin VB.OptionButton optPA 
         Caption         =   "&Pennsylvania"
         Height          =   255
         Left            =   240
         TabIndex        =   2
         Top             =   480
         Value           =   -1  'True
         Width           =   1455
      End
   End
   Begin VB.Label Label1 
      Caption         =   "Sales Tax is:"
      Height          =   255
      Left            =   3000
      TabIndex        =   10
      Top             =   1920
      Width           =   1095
   End
   Begin VB.Label Label2 
      Caption         =   "Enter Price:"
      Height          =   255
      Left            =   3000
      TabIndex        =   8
      Top             =   1200
      Width           =   975
   End
   Begin VB.Label lblSalesTax 
      Caption         =   "0"
      Height          =   255
      Left            =   4320
      TabIndex        =   7
      Top             =   1920
      Width           =   615
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'Ch 5 Demo Program #3
'Mr. Minich
'This program demonstrates the use of a general function procedure. It's use makes the program easier to
'   understand and it reuses code since the possible very complicated mathematical computation that is
'   performed within curComputePercent does not have to be repeated in the If/ElseIf statement 5 times.
'   Also, this function is IDENTICAL to curComputePercent in Ch. 5 Demo Program #2 showing that you can
'   reuse functions that you wrote earlier in your programming career.

Option Explicit

Private Sub cmdCalculateSalesTax_Click()
    If optPA Then
        lblSalesTax = curComputePercent(txtPrice, 0.06)  ' PA has 6% sales tax
    ElseIf optOH Then
        lblSalesTax = curComputePercent(txtPrice, 0.05)  ' OH has 5% sales tax
    ElseIf optMD Then
        lblSalesTax = curComputePercent(txtPrice, 0.8)   ' MD has 80% sales tax
    ElseIf optNY Then
        lblSalesTax = curComputePercent(txtPrice, 0.075) ' NY has 7.5% sales tax
    ElseIf optDE Then
        lblSalesTax = curComputePercent(txtPrice, 0)     ' DE has no sales tax
    End If
                                        
    txtPrice = ""           ' clearing text box for next entry
    txtPrice.SetFocus       ' setting focus back to the text box for next entry
End Sub

Private Function curComputePercent(sngBase As Single, sngPercent As Single) As Currency
    curComputePercent = sngBase * sngPercent
End Function