This event is fired each time a frame is dropped during the video acquisition.
Private Sub objActiveUSB_FrameDropped() [C/C++]
This VB example uses the FrameDropped event to generate a sound signal:
Private Sub ActiveUSB1_FrameDropped()
The FrameDropped event is raised if an image frame is dropped during the data transmission. The most common reasons for this are the loss of UDP packets due to the network overload, extensive image processing of each frame by an application and limited bandwidth during the AVI recording.