' Download Set http = CreateObject("MSXML2.XMLHTTP") http.Open "GET", url, False http.send
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
result = "" For i = 1 To Len(str) ch = Mid(str, i, 1) If (ch >= "A" And ch <= "Z") Or (ch >= "a" And ch <= "z") Or (ch >= "0" And ch <= "9") Then result = result & ch Else result = result & "%" & Hex(Asc(ch)) End If Next i URLEncode = result End Function Step 1: Download ZXing Download ZXing.Core.dll or use the command-line tool. Step 2: Shell Execute Method Private Sub GenerateQRWithZXing() Dim strCommand As String Dim strText As String ' Save text to temporary file strText = Text1.Text Open App.Path & "\temp.txt" For Output As #1 Print #1, strText Close #1
' Get selected size If Option1.Value Then size = "150x150" ElseIf Option2.Value Then size = "300x300" Else size = "500x500" End If qr code in vb6
ReDim qr.matrix(0 To qr.size - 1, 0 To qr.size - 1)
' Save as image QR.SaveImage App.Path & "\qrcode.bmp", 100
' Save to file ActiveBarcode1.SaveImage App.Path & "\qrcode.bmp" ' Download Set http = CreateObject("MSXML2
' Display in picture box Picture1.Picture = LoadPicture(App.Path & "\qrcode.png") End Sub
' Display in picture box Picture1.Picture = LoadPicture(App.Path & "\qrcode.bmp") End Sub Implementation Private Sub GenerateGoogleQR() Dim strURL As String Dim strData As String Dim http As Object ' URL encode the data strData = URLEncode(Text1.Text)
' Form with: ' - TextBox (Text1) for input ' - CommandButton (Command1) to generate ' - PictureBox (Picture1) to display ' - OptionButtons for size selection Private Sub Form_Load() ' Set up PictureBox Picture1.AutoRedraw = True Picture1.AutoSize = False Picture1.Width = 3000 Picture1.Height = 3000 1) If (ch >
Private Sub DrawQRCode(qr As QRCodeMatrix, picBox As PictureBox, scale As Integer) Dim x As Integer, y As Integer
Private Function URLEncode(str As String) As String Dim i As Integer Dim result As String Dim ch As String
GenerateQRCode Text1.Text, size End Sub
Private Sub Command1_Click() Dim size As String
picBox.Refresh End Sub Implementation with ActiveBarcode Control ' First, add ActiveBarcode control to your project ' Project → Components → ActiveBarcode Control Private Sub Command1_Click() ' Add the control to your form ActiveBarcode1.Text = Text1.Text ActiveBarcode1.BarcodeType = 32 ' QR Code type