Code In Vb6 - Qr
' Download Set http = CreateObject("MSXML2.XMLHTTP") http.Open "GET", url, False http.send
result = "" For i = 1 To Len(str) Dim ch As String ch = Mid(str, i, 1) Select Case ch Case "A" To "Z", "a" To "z", "0" To "9", ".", "-", "_", "~" result = result & ch Case " " result = result & "+" Case Else result = result & "%" & Right("0" & Hex(Asc(ch)), 2) End Select Next i
' Display result Picture1.Picture = LoadPicture(App.Path & "\qrcode.png") End Sub For simple alphanumeric QR codes, you can implement manually:
' Fill with finder patterns (simplified) ' You would need full QR encoding algorithm here qr code in vb6
Private Function URLEncode(str As String) As String Dim i As Integer Dim result As String
Need help with any specific method or troubleshooting?
' Build Google Charts API URL strURL = "https://chart.googleapis.com/chart?chs=300x300&cht=qr&chl=" & strData & "&choe=UTF-8" ' Download Set http = CreateObject("MSXML2
' Execute Shell strCommand, vbHide
' Download the image Set http = CreateObject("MSXML2.XMLHTTP") http.Open "GET", strURL, False http.send
If Trim(text) = "" Then MsgBox "Please enter text to encode", vbExclamation Exit Sub End If "a" To "z"
' Save as image QR.SaveImage App.Path & "\qrcode.bmp", 100
picBox.Cls picBox.ScaleMode = 3 ' Pixel picBox.AutoRedraw = True
Private Function URLEncode(str As String) As String Dim i As Integer Dim result As String Dim ch As String
' Simple version - actual QR encoding is complex ' This creates a basic matrix (simplified) qr.size = 21 ' Minimum QR version size
Private Type QRCodeMatrix size As Integer matrix() As Integer End Type Private Function GenerateSimpleQRCode(data As String) As QRCodeMatrix Dim qr As QRCodeMatrix Dim i As Integer, j As Integer