VERSION 5.00
Begin VB.Form Form1 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "Form1"
   ClientHeight    =   1605
   ClientLeft      =   45
   ClientTop       =   435
   ClientWidth     =   3645
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   1605
   ScaleWidth      =   3645
   StartUpPosition =   3  'Windows Default
   Begin VB.TextBox txt2 
      Height          =   1335
      Left            =   0
      MultiLine       =   -1  'True
      TabIndex        =   1
      Top             =   240
      Width           =   3615
   End
   Begin VB.TextBox txt1 
      Height          =   285
      Left            =   0
      TabIndex        =   0
      Top             =   0
      Width           =   3615
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Private Sub txt1_Change()
    Dim i As Long
    txt2 = ""
    For i = 1 To Len(txt1)
        txt2 = txt2 & IIf(Mid(txt1, i, 1) <> "=" And Mid(txt1, i, 1) <> "?", "%" & DEC_to_HEX(Asc(Mid(txt1, i, 1))), Mid(txt1, i, 1))
    Next
End Sub

' 用途：將十進制轉化為十六進制
' 輸入：Dec(十進制數)
' 輸入數據類型：Long
' 輸出：DEC_to_HEX(十六進制數)
' 輸出數據類型：String
' 輸入的最大數為2147483647,輸出最大數為7FFFFFFF
Public Function DEC_to_HEX(Dec As Long) As String
    Dim a As String
    DEC_to_HEX = ""
    Do While Dec > 0
        a = CStr(Dec Mod 16)
        Select Case a
            Case "10": a = "A"
            Case "11": a = "B"
            Case "12": a = "C"
            Case "13": a = "D"
            Case "14": a = "E"
            Case "15": a = "F"
        End Select
        DEC_to_HEX = a & DEC_to_HEX
        Dec = Dec \ 16
    Loop
End Function