ต้องการทำตัวแสกน QR Code จากWebcam for Win7 แต่พบปัญหารบกวนผู้รู้ช่วยแนะนำด้วยค่ะ โปรเจคจบค่ะ ด้วย VB6

Private Declare Function SendMessage Lib "USER32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Private mCapHwnd As Long
Private Const CONNECT As Long = 1034
Private Const DISCONNECT As Long = 1035
Private Const GET_FRAME As Long = 1084
Private Const COPY As Long = 1054
'Private Const WM_CAP_SET_VIDEOFORMAT = &H400 + 45
Private Declare Function capCreateCaptureWindow Lib "avicap32.dll" Alias "capCreateCaptureWindowA" (ByVal lpszWindowName As String, ByVal dwStyle As Long, ByVal X As Long, ByVal Y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hwndParent As Long, ByVal nID As Long) As Long

Private Sub Command1_Click()
'Getting handle of camera window
mCapHwnd = capCreateCaptureWindow("WebcamCapture", 0, 0, 0, 320, 240, Me.hwnd, 0)
DoEvents
SendMessage mCapHwnd, CONNECT, 0, 0 'connecting to camera
Command1.Enabled = False
Command2.Enabled = True
Picture1.AutoRedraw = True
Timer1.Enabled = True
End Sub

Private Sub Command2_Click()
DoEvents: SendMessage mCapHwnd, DISCONNECT, 0, 0
Timer1.Enabled = False
Command2.Enabled = False
Command1.Enabled = True
End Sub

Private Sub Form_Unload(Cancel As Integer)
DoEvents: SendMessage mCapHwnd, DISCONNECT, 0, 0
Timer1.Enabled = False
End Sub

Private Sub Timer1_Timer()
'getting picture from camera
SendMessage mCapHwnd, GET_FRAME, 0, 0
SendMessage mCapHwnd, COPY, 0, 0
Picture1.Picture = Clipboard.GetData: Clipboard.Clear
End Sub