If the operation reports an error, if the error is that the libvlc.dll file cannot be found, it is that there is no VLC library on your computer. Download and install one. After the installation is completed, the error disappears immediately.

Download address: http://get.videolan.org/vlc/3.0.6/win64/vlc-3.0.6-win64.exe

If the EXE is still blank after packaging, enter new after packaging_ Data/Plugins/x86_ 64 folder, copy and paste the DLL file in the directory to the parent directory, that is, the same as x86_ 64 keep the folder level and solve the problem.

Copy and paste a copy of these DLLs to the superior, as shown in the following figure: