The MontiVision Smart Control generates events for mouse and keyboard activity detected within the video window. The _IMVSmartControlEvents::OnVideoWindowxxx methods from the _IMVSmartControlEvents interface signals these inputs. To handle these inputs implement the event method in your favorite programming language and enable the input events, using the IMVSCVideoWindow::EnableVideoWindowEvents method.
The LiveDraw ample application demonstrates the use of mouse events to draw a line onto live video. .