display a video from youtube into a windows form

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C#

video

I'm making a Windows form which allows people to select a film from different genres. I've used list boxes to display the list of films and genres. When a user selects a genre, the films from that genre are displayed in another list box.

The user selects a film from that list box, then a picture from the film is displayed in a picture box and informtion for the film is displayed in a text box. Now what I want to do is add a web browser control to the form, which displays a video from youtube of the film trailer for that the film the user has chosen. I want the trailer to be displayed when the user has selected the film from the film selection listbox. So not only will it display a picture and info about the film but also the trailer for that film too. But i'm not sure how to do this. I know I need to but web browser code into the listbox event code, but im not sure what code it is?