Set http = Nothing End Sub
' Simple version - actual QR encoding is complex ' This creates a basic matrix (simplified) qr.size = 21 ' Minimum QR version size qr code in vb6
' Download Set http = CreateObject("MSXML2.XMLHTTP") http.Open "GET", url, False http.send Set http = Nothing End Sub ' Simple
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 picBox As PictureBox
Private Sub DrawQRCode(qr As QRCodeMatrix, picBox As PictureBox, scale As Integer) Dim x As Integer, y 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