protected virtual void OnCameraThumbnailProduced(CameraThumbnailProducedEventArgs e)
{
EventHandler <CameraThumbnailProducedEventArgs> invoker = CameraThumbnailProduced;
if (invoker != null)
{
invoker(this, e);
}
}
/// <summary>
/// Receive a new thumbnail from a camera and forward it upstream.
/// </summary>
private static void CameraManager_CameraThumbnailProduced(object sender, CameraThumbnailProducedEventArgs e)
{
// This runs in a worker thread.
// The final event handler will have to merge back into the UI thread before using the bitmap.
if (CameraThumbnailProduced != null)
{
CameraThumbnailProduced(sender, e);
}
}
/// <summary>
/// Receive a new thumbnail from a camera and raise CameraThumbnailProduced in turn.
/// The camera manager should make sure this runs in the UI thread.
/// This event should always be raised, even if the thumbnail could not be retrieved.
/// </summary>
private static void CameraManager_CameraThumbnailProduced(object sender, CameraThumbnailProducedEventArgs e)
{
CameraThumbnailProduced?.Invoke(sender, e);
}