This could be a problem of “read/write” rights in the %temp% folder (the temp folder of the current user).Verify if the application has the “create…
Private Sub Button_Click(ByVal sender As Object, ByVal e As System.EventArgs) VideoGrabber1.OpenURLAsync = False ‘ True for asynchrone capture VideoGrabber1.SetAuthentication(VidGrab.TAuthenticationType.at_IPCamera, “user”, “password”) VideoGrabber1.IPCameraURL = “onvif://192.168.6.122” AddHandler…
private void VideoGrabber1_OnFrameBitmap(object sender, VidGrab.TOnFrameBitmapEventArgs e) { Helpers.TFrameBitmapInfo FrameBitmapInfo = (Helpers.TFrameBitmapInfo)Marshal.PtrToStructure((IntPtr)e.bitmapInfo, typeof(Helpers.TFrameBitmapInfo)); Bitmap bitmap = System.Drawing.Bitmap.FromHbitmap(FrameBitmapInfo.bitmapHandle); … }
– add a reference to the NET DLL of the package corresponding to the .NET Framework version of the .csproj project – start from the…
.NET prevents renaming a .NET assembly. To upgrade the project: – reopen the project – remove the reference to the DLL that has been renamed…
Invoke VideoGrabber->SetParentWindow(WindowHandle) to Pass the handle of the Cwnd window classe in which the video must be displayed. E.g.: m_VideoGrabber = new CVideoGrabber(this); m_VideoGrabber->SetParentWindow (TheWindow->GetSafeHwnd());…
At 30 fps the bitmaps are created too quickly, the garbage collector does have the time to free them fast enough. Invoke GC.Collect(); in this…