VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   4275
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   5730
   LinkTopic       =   "Form1"
   ScaleHeight     =   4275
   ScaleWidth      =   5730
   StartUpPosition =   3  '系統預設值
   Begin VB.CommandButton Command2 
      Caption         =   "Command2"
      Height          =   975
      Left            =   3240
      TabIndex        =   1
      Top             =   2520
      Width           =   1695
   End
   Begin VB.CommandButton Command1 
      Caption         =   "Command1"
      Height          =   975
      Left            =   3240
      TabIndex        =   0
      Top             =   840
      Width           =   1695
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim c    '宣告變數c為公共變數(不會消滅)

Private Sub Command1_Click()
    'a=a+1   '區域變數(會消滅)
    
    c = c + 1
    Print c
    
End Sub

Private Sub Command2_Click()
    c = c + 2
    Print c
    
End Sub