private void cancelCommentButton_Clicked(object sender, EventArgs e)
{
cancelActionButton_Clicked(sender, e);
waveform.deselectSegment();
commentButtonCanvas.Visibility = Visibility.Collapsed;
blackBack.Visibility = Visibility.Collapsed;
commentBox.Text = "";
commentToSave = "";
comment = "";
annotating = false;
commentBoxCanvas.Visibility = Visibility.Collapsed;
showAllSegments();
}