Choreoh.MainWindow.cancelActionButton_Clicked C# (CSharp) 메소드

        private void cancelActionButton_Clicked(object sender, EventArgs e)
        {
            Debug.WriteLine("CANCEL BUTTON WAS CLICKED!");
            blackBack.Visibility = Visibility.Collapsed;
            makeEndSelectionPrompt.Visibility = Visibility.Hidden;
            makeSelectionPrompt.Visibility = Visibility.Hidden;
            showAllSegments();
            cancelActionCanvas.Visibility = Visibility.Collapsed;
            Canvas.SetZIndex(timelineCanvas, oldButtonZIndex);
            segmentButtonCanvas.Visibility = Visibility.Collapsed;
            isSelectingEndSegment = false;
            isSelectingPlaySegment = false;
            isSelectingPlaySongSelection = false;
            isSelectingRecordSegment = false;
            isSelectingStartSegment = false;
            waveform.selectStart(0);
            waveform.selectEnd(1);
            waveform.deselectSegment();
        }