private void FinishVisualGestures()
{
if (vgbFrameReader != null)
{
vgbFrameReader.Dispose();
vgbFrameReader = null;
}
if (vgbFrameSource != null)
{
vgbFrameSource.Dispose();
vgbFrameSource = null;
}
if (gestureData != null)
{
gestureData.Clear();
}
}