SetVideoMode(Mode)

Set video mode used:

#VMB_WEBCAM_NOVIDEO, without process video mode, to access video options.
#VMB_WEBCAM_VIDEOPREVIEW, preview mode on VFW, usefull for applications or acces to video options.
#VMB_WEBCAM_VIDEOSTREAM, with this mode, video device works with all frames per second available, usefull for games but can't access to webcam options.