CatenaLogic.Windows.Presentation.WebcamPlayer.CapPlayer.CleanUpDevice C# (CSharp) Method

        private void CleanUpDevice(CapDevice device)
        {
            // Check if there even is a device
            if (device == null) return;

            // Stop
            device.Stop();

            // Unsubscribe
            device.NewBitmapReady -= device_OnNewBitmapReady;
        }

        static void DeviceProperty_Changed(DependencyObject sender, DependencyPropertyChangedEventArgs e)
        {
            // Get the sender
            CapPlayer typedSender = sender as CapPlayer;

            if (typedSender != null)
            {
                // Make sure that we are not in design mode
                if (System.ComponentModel.DesignerProperties.GetIsInDesignMode(typedSender))
                {
                    return;
                }

                // Unsubscribe from previous device
                CapDevice oldDevice = e.OldValue as CapDevice;
                if (oldDevice != null)
                {
                    // Clean up
                    typedSender.CleanUpDevice(oldDevice);
                }

                // Subscribe to new one
                CapDevice newDevice = e.NewValue as CapDevice;
                if (newDevice != null)
                {
                    // Subscribe
                    newDevice.NewBitmapReady += typedSender.device_OnNewBitmapReady;
                }
            }
        }