Webcam notification in vb.net - vb.net

Currently I'm doing my Final Year Project regarding with webcam. I had faced a problem to detect for the live webcam. Is there any way that will appear notification when someone open the webcam in vb.net.
Thank you

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Create VB program to watch a website in Internet Explorer

Thanks for taking the time to assist me.
At work we use a 3rd party online chat system using internet explorer. Basically what happens is we initially follow a link, login, a pop up window comes up with the chat control page where we would see a notification for a new chat
The issue we have is no sound plays, and it's very easy to miss a chat.
In theory could I easily learn in VB how to watch that specific window of Internet Explorer for a change, then play a sound when a change in that window occurs until acknowledged?

Activate USB Microphone in VB.Net

I would like some help if possible. What I want to do is simply be able to hear the microphone over the top of a track playing for Karaoke purposes. I don't want to record the input but being able to turn the mic ON and control the mic input volume would be handy.
I'm using VS2015, Winforms and .net2 as using program in XP.
The mic I'm using is a Logitech USB Microphone.
All help most welcomed.
Thx in advance.

How to change camera focus in adobe air 14?

Is there any way to change the camera focus in Adobe Air 14 without a Native Extension?
I am trying to find a way to control the Camera's manual focus.
You need to find your camera DLL(if you developing this for Windows).
I know that Nikon D90 have own *.DLL's that provide full range of own API. So you need to develop ANE that will send calls to that dll and receive feedback.
Also same way you can do live preview (I done this 2 years ago).

Embedding vlc player in vb.net

How to integrate vlc player in vb.net? Can anybody help me ? I am using visual studio 2008.
In my project i was using Windows media player before,but because of some problems occured in project.I wanted to switc my video player to vlc player..
My pc configuration:-
1)64 bit
2)Windows 8 pro 9200
Hoping that someone will help me.
My email Id - mayurpatil0123#gmail.com
AxWindowsMediaPlayer1.Ctlcontrols.currentPosition=reader.getString(5)
AxWindowsMediaPlayer1.Ctlcontrols.play()
Above code i have used for windows media player, I am searching for foe alternative for same code wic relates to vlc player.
Download the latest version of VLC, i'm sure it will work anyway, but just to have the same setup as me.
Add the VLC ActiveX as a component to the VB5 /6 project, it will put 2 traffic cones into the toolbox, called VLCPLugin and VLCPlugin2.
Place a new VLCPlugin control on your form and size it suitably, and add the following code to a button or the form load:
VLCPlugin1.addTarget "c:\winvideo\sample.avi", Null, VLCPlayListInsert, -666
VLCPlugin1.play
If you turn on autoplay, or use a vlc play list option with the word "go" in it, it will play the clip automatically.
You can use the fullscreen option to put it into fullscreen mode.
SOURCE

Capturing video frames as images using AVFoundation

I have a running video in my application. When I press the record button, I need to start recording the running video from the point at which I pressed record button. Then the recorded video has to be saved as another video file.
Can anybody suggest me the best solution to implement this feature. The basic idea is that I need to implement the recording feature similar to Talking Tom application.
Please give me some suggestions. Thanks in advance.