Buil software monitor video use libVLC .NET

[quangnv]

Hi everyone
I am building software monitor video use libVLc .NET
I download libVLC .NET at https://sourceforge.net/projects/libvlcnet/
I have a problem, while playing my software some time I get error:APPCRASH or not working or not responding.
How to pass channel if it have any error and continues other channel?
I just can pass channel if it not source.
You can download my project at https://www.mediafire.com/?c7lj37t700sgsd7
Can any body help me?
Thank