Пример #1
0
 protected void OnPianoKeyPressed(PianoKey key)
 {
     if (PianoKeyPressed != null)
     {
         PianoKeyPressed(this, new PianoKeyPressedEventArgs(key));
     }
 }
Пример #2
0
        private void DrawKeys()
        {
            LayoutRoot.Children.Clear();
            double cursorX = 0;

            for (int pitch = StartingMidiPitch; pitch < StartingMidiPitch + NumberOfKeys; pitch++)
            {
                PianoKeyType keyType = KeyTypes[pitch % 12];

                double keyHeight = KeyHeight;
                int    zIndex    = 0;
                if (keyType == PianoKeyType.Small)
                {
                    keyHeight = KeyHeight * 0.6d;
                    zIndex    = 10;
                }

                PianoKey button = new PianoKey();
                button.MidiPitch = pitch;
                button.Width     = keyType == PianoKeyType.Large ? KeyWidth : KeyWidth / 2;
                button.Height    = keyHeight;
                button.Style     = keyType == PianoKeyType.Large ? LargeKeyStyle : SmallKeyStyle;
                button.Click    += button_Click;

                Canvas.SetLeft(button, pitch > StartingMidiPitch && keyType == PianoKeyType.Small ? cursorX - KeyWidth / 4 : cursorX);
                Canvas.SetZIndex(button, zIndex);
                LayoutRoot.Children.Add(button);

                if (keyType == PianoKeyType.Large)
                {
                    cursorX += KeyWidth;
                }
            }
        }
Пример #3
0
        void button_Click(object sender, RoutedEventArgs e)
        {
            PianoKey key = sender as PianoKey;

            OnPianoKeyPressed(key);
            if (PianoKeyPressedCommand == null)
            {
                return;
            }
            if (!PianoKeyPressedCommand.CanExecuteCommand(key))
            {
                return;
            }
            PianoKeyPressedCommand.ExecuteCommand(key);
        }
Пример #4
0
 public PianoKeyPressedEventArgs(PianoKey key)
 {
     Key = key;
 }