diff --git a/MidiTest/MainWindow.xaml b/MidiTest/MainWindow.xaml
index 88568a7..c7748bc 100644
--- a/MidiTest/MainWindow.xaml
+++ b/MidiTest/MainWindow.xaml
@@ -7,28 +7,173 @@
         mc:Ignorable="d"
         Title="MainWindow" Height="443" Width="497">
   <Grid>
-
     <Label Content="Midi-Device" HorizontalAlignment="Left" Margin="10,10,0,0" VerticalAlignment="Top"/>
     <ComboBox x:Name="MidiSelector" HorizontalAlignment="Left" Margin="89,12,0,0" VerticalAlignment="Top" Width="300"/>
     <Grid Margin="10,50,10,10">
-      <Ellipse HorizontalAlignment="Left" Height="40" Margin="10,10,0,0" Stroke="Black" VerticalAlignment="Top" Width="40"/>
-      <Ellipse HorizontalAlignment="Left" Height="40" Margin="60,10,0,0" Stroke="Black" VerticalAlignment="Top" Width="40"/>
-      <Ellipse HorizontalAlignment="Left" Height="40" Margin="110,10,0,0" Stroke="Black" VerticalAlignment="Top" Width="40"/>
-      <Ellipse HorizontalAlignment="Left" Height="40" Margin="160,10,0,0" Stroke="Black" VerticalAlignment="Top" Width="40"/>
-      <Ellipse HorizontalAlignment="Left" Height="40" Margin="210,10,0,0" Stroke="Black" VerticalAlignment="Top" Width="40"/>
-      <Ellipse HorizontalAlignment="Left" Height="40" Margin="260,10,0,0" Stroke="Black" VerticalAlignment="Top" Width="40"/>
-      <Ellipse HorizontalAlignment="Left" Height="40" Margin="310,10,0,0" Stroke="Black" VerticalAlignment="Top" Width="40"/>
-      <Ellipse HorizontalAlignment="Left" Height="40" Margin="360,10,0,0" Stroke="Black" VerticalAlignment="Top" Width="40"/>
-      <Rectangle HorizontalAlignment="Left" Height="40" Margin="10,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" MouseDown="test" Fill="Black"/>
-      <Rectangle HorizontalAlignment="Left" Height="40" Margin="60,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40"/>
-      <Rectangle HorizontalAlignment="Left" Height="40" Margin="110,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40"/>
-      <Rectangle HorizontalAlignment="Left" Height="40" Margin="160,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40"/>
-      <Rectangle HorizontalAlignment="Left" Height="40" Margin="210,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40"/>
-      <Rectangle HorizontalAlignment="Left" Height="40" Margin="260,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40"/>
-      <Rectangle HorizontalAlignment="Left" Height="40" Margin="310,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40"/>
-      <Rectangle HorizontalAlignment="Left" Height="40" Margin="360,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40"/>
-      <Ellipse HorizontalAlignment="Left" Height="40" Margin="410,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40"/>
+      <Ellipse x:Name="Nob_104" HorizontalAlignment="Left" Height="40" Margin="10,10,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" Fill="#00000000" MouseDown="ShowPopup"/>
+      <Ellipse x:Name="Nob_105" HorizontalAlignment="Left" Height="40" Margin="60,10,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" Fill="#00000000" MouseDown="ShowPopup"/>
+      <Ellipse x:Name="Nob_106" HorizontalAlignment="Left" Height="40" Margin="110,10,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" Fill="#00000000" MouseDown="ShowPopup"/>
+      <Ellipse x:Name="Nob_107" HorizontalAlignment="Left" Height="40" Margin="160,10,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" Fill="#00000000" MouseDown="ShowPopup"/>
+      <Ellipse x:Name="Nob_108" HorizontalAlignment="Left" Height="40" Margin="210,10,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" Fill="#00000000" MouseDown="ShowPopup"/>
+      <Ellipse x:Name="Nob_109" HorizontalAlignment="Left" Height="40" Margin="260,10,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" Fill="#00000000" MouseDown="ShowPopup"/>
+      <Ellipse x:Name="Nob_110" HorizontalAlignment="Left" Height="40" Margin="310,10,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" Fill="#00000000" MouseDown="ShowPopup"/>
+      <Ellipse x:Name="Nob_111" HorizontalAlignment="Left" Height="40" Margin="360,10,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" Fill="#00000000" MouseDown="ShowPopup"/>
+      <Rectangle x:Name="Nob_81" HorizontalAlignment="Left" Height="40" Margin="10,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" Fill="#00000000" MouseDown="ShowPopup"/>
+      <Rectangle x:Name="Nob_82" HorizontalAlignment="Left" Height="40" Margin="60,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" Fill="#00000000" MouseDown="ShowPopup"/>
+      <Rectangle x:Name="Nob_83" HorizontalAlignment="Left" Height="40" Margin="110,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" Fill="#00000000" MouseDown="ShowPopup"/>
+      <Rectangle x:Name="Nob_84" HorizontalAlignment="Left" Height="40" Margin="160,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" Fill="#00000000" MouseDown="ShowPopup"/>
+      <Rectangle x:Name="Nob_85" HorizontalAlignment="Left" Height="40" Margin="210,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" Fill="#00000000" MouseDown="ShowPopup"/>
+      <Rectangle x:Name="Nob_86" HorizontalAlignment="Left" Height="40" Margin="260,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" Fill="#00000000" MouseDown="ShowPopup"/>
+      <Rectangle x:Name="Nob_87" HorizontalAlignment="Left" Height="40" Margin="310,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" Fill="#00000000" MouseDown="ShowPopup"/>
+      <Rectangle x:Name="Nob_88" HorizontalAlignment="Left" Height="40" Margin="360,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" Fill="#00000000" MouseDown="ShowPopup"/>
+      <Ellipse x:Name="Nob_89" HorizontalAlignment="Left" Height="40" Margin="410,60,0,0" Stroke="Black" VerticalAlignment="Top" Width="40" Fill="#00000000" MouseDown="ShowPopup"/>
     </Grid>
+    <Grid HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="25,50,25,50" Panel.ZIndex="5" Background="#7F000000">
+      <ComboBox Width="65" HorizontalAlignment="Left" VerticalAlignment="Top">
+        <ComboBoxItem Background="#FF000000" Height="21">0</ComboBoxItem>
+        <ComboBoxItem Background="#FF1C1C1C" Height="21">1</ComboBoxItem>
+        <ComboBoxItem Background="#FF7C7C7C" Height="21">2</ComboBoxItem>
+        <ComboBoxItem Background="#FFFCFCFC" Height="21">3</ComboBoxItem>
+        <ComboBoxItem Background="#FFFF4D47" Height="21">4</ComboBoxItem>
+        <ComboBoxItem Background="#FFFF0A00" Height="21">5</ComboBoxItem>
+        <ComboBoxItem Background="#FF5A0100" Height="21">6</ComboBoxItem>
+        <ComboBoxItem Background="#FF190000" Height="21">7</ComboBoxItem>
 
+        <ComboBoxItem Background="#FFFFBD62" Height="21">8</ComboBoxItem>
+        <ComboBoxItem Background="#FFFF5600" Height="21">9</ComboBoxItem>
+        <ComboBoxItem Background="#FF5A1D00" Height="21">10</ComboBoxItem>
+        <ComboBoxItem Background="#FF241800" Height="21">11</ComboBoxItem>
+        <ComboBoxItem Background="#FFFDFD21" Height="21">12</ComboBoxItem>
+        <ComboBoxItem Background="#FFFDFD00" Height="21">13</ComboBoxItem>
+        <ComboBoxItem Background="#FF585800" Height="21">14</ComboBoxItem>
+        <ComboBoxItem Background="#FF181800" Height="21">15</ComboBoxItem>
+
+        <ComboBoxItem Background="#FF80FD2A" Height="21">16</ComboBoxItem>
+        <ComboBoxItem Background="#FF40FD00" Height="21">17</ComboBoxItem>
+        <ComboBoxItem Background="#FF165800" Height="21">18</ComboBoxItem>
+        <ComboBoxItem Background="#FF132800" Height="21">19</ComboBoxItem>
+        <ComboBoxItem Background="#FF34FD2B" Height="21">20</ComboBoxItem>
+        <ComboBoxItem Background="#FF00FD00" Height="21">21</ComboBoxItem>
+        <ComboBoxItem Background="#FF005800" Height="21">22</ComboBoxItem>
+        <ComboBoxItem Background="#FF001800" Height="21">23</ComboBoxItem>
+
+        <ComboBoxItem Background="#FF33FD46" Height="21">24</ComboBoxItem>
+        <ComboBoxItem Background="#FF00FD00" Height="21">25</ComboBoxItem>
+        <ComboBoxItem Background="#FF005800" Height="21">26</ComboBoxItem>
+        <ComboBoxItem Background="#FF001800" Height="21">27</ComboBoxItem>
+        <ComboBoxItem Background="#FF32FD7E" Height="21">28</ComboBoxItem>
+        <ComboBoxItem Background="#FF00FD3A" Height="21">29</ComboBoxItem>
+        <ComboBoxItem Background="#FF005814" Height="21">30</ComboBoxItem>
+        <ComboBoxItem Background="#FF001C0F" Height="21">31</ComboBoxItem>
+
+        <ComboBoxItem Background="#FF2FFCB0" Height="21">32</ComboBoxItem>
+        <ComboBoxItem Background="#FF00FC91" Height="21">33</ComboBoxItem>
+        <ComboBoxItem Background="#FF005831" Height="21">34</ComboBoxItem>
+        <ComboBoxItem Background="#FF00180F" Height="21">35</ComboBoxItem>
+        <ComboBoxItem Background="#FF39BFFF" Height="21">36</ComboBoxItem>
+        <ComboBoxItem Background="#FF00A7FF" Height="21">37</ComboBoxItem>
+        <ComboBoxItem Background="#FF004051" Height="21">38</ComboBoxItem>
+        <ComboBoxItem Background="#FF001018" Height="21">39</ComboBoxItem>
+
+        <ComboBoxItem Background="#FF4186FF" Height="21">40</ComboBoxItem>
+        <ComboBoxItem Background="#FF0050FF" Height="21">41</ComboBoxItem>
+        <ComboBoxItem Background="#FF001A5A" Height="21">42</ComboBoxItem>
+        <ComboBoxItem Background="#FF000719" Height="21">43</ComboBoxItem>
+        <ComboBoxItem Background="#FF4647FF" Height="21">44</ComboBoxItem>
+        <ComboBoxItem Background="#FF0000FF" Height="21">45</ComboBoxItem>
+        <ComboBoxItem Background="#FF00005B" Height="21">46</ComboBoxItem>
+        <ComboBoxItem Background="#FF000019" Height="21">47</ComboBoxItem>
+
+        <ComboBoxItem Background="#FF8347FF" Height="21">48</ComboBoxItem>
+        <ComboBoxItem Background="#FF5000FF" Height="21">49</ComboBoxItem>
+        <ComboBoxItem Background="#FF160067" Height="21">50</ComboBoxItem>
+        <ComboBoxItem Background="#FF0B0032" Height="21">51</ComboBoxItem>
+        <ComboBoxItem Background="#FFFF49FF" Height="21">52</ComboBoxItem>
+        <ComboBoxItem Background="#FFFF00FF" Height="21">53</ComboBoxItem>
+        <ComboBoxItem Background="#FF5A005A" Height="21">54</ComboBoxItem>
+        <ComboBoxItem Background="#FF190019" Height="21">55</ComboBoxItem>
+
+        <ComboBoxItem Background="#FFFF4D84" Height="21">56</ComboBoxItem>
+        <ComboBoxItem Background="#FFFF0752" Height="21">57</ComboBoxItem>
+        <ComboBoxItem Background="#FF5A011B" Height="21">58</ComboBoxItem>
+        <ComboBoxItem Background="#FF210010" Height="21">59</ComboBoxItem>
+        <ComboBoxItem Background="#FFFF1900" Height="21">60</ComboBoxItem>
+        <ComboBoxItem Background="#FF9B3500" Height="21">61</ComboBoxItem>
+        <ComboBoxItem Background="#FF7A5100" Height="21">62</ComboBoxItem>
+        <ComboBoxItem Background="#FF3E6400" Height="21">63</ComboBoxItem>
+
+        <ComboBoxItem Background="#FF003800" Height="21">64</ComboBoxItem>
+        <ComboBoxItem Background="#FF005432" Height="21">65</ComboBoxItem>
+        <ComboBoxItem Background="#FF00537E" Height="21">66</ComboBoxItem>
+        <ComboBoxItem Background="#FF0000FF" Height="21">67</ComboBoxItem>
+        <ComboBoxItem Background="#FF00444D" Height="21">68</ComboBoxItem>
+        <ComboBoxItem Background="#FF1B00D2" Height="21">69</ComboBoxItem>
+        <ComboBoxItem Background="#FF7C7C7C" Height="21">70</ComboBoxItem>
+        <ComboBoxItem Background="#FF202020" Height="21">71</ComboBoxItem>
+
+        <ComboBoxItem Background="#FFFF0A00" Height="21">72</ComboBoxItem>
+        <ComboBoxItem Background="#FFBAFD00" Height="21">73</ComboBoxItem>
+        <ComboBoxItem Background="#FFAAED00" Height="21">74</ComboBoxItem>
+        <ComboBoxItem Background="#FF56FD00" Height="21">75</ComboBoxItem>
+        <ComboBoxItem Background="#FF008800" Height="21">76</ComboBoxItem>
+        <ComboBoxItem Background="#FF00FC7A" Height="21">77</ComboBoxItem>
+        <ComboBoxItem Background="#FF00A7FF" Height="21">78</ComboBoxItem>
+        <ComboBoxItem Background="#FF001BFF" Height="21">79</ComboBoxItem>
+
+        <ComboBoxItem Background="#FF3500FF" Height="21">80</ComboBoxItem>
+        <ComboBoxItem Background="#FF7700FF" Height="21">81</ComboBoxItem>
+        <ComboBoxItem Background="#FFB4177E" Height="21">82</ComboBoxItem>
+        <ComboBoxItem Background="#FF412000" Height="21">83</ComboBoxItem>
+        <ComboBoxItem Background="#FFFF4A00" Height="21">84</ComboBoxItem>
+        <ComboBoxItem Background="#FF83E100" Height="21">85</ComboBoxItem>
+        <ComboBoxItem Background="#FF65FD00" Height="21">86</ComboBoxItem>
+        <ComboBoxItem Background="#FF00FD00" Height="21">87</ComboBoxItem>
+
+        <ComboBoxItem Background="#FF00FD00" Height="21">88</ComboBoxItem>
+        <ComboBoxItem Background="#FF45FD61" Height="21">89</ComboBoxItem>
+        <ComboBoxItem Background="#FF00FCCA" Height="21">90</ComboBoxItem>
+        <ComboBoxItem Background="#FF5086FF" Height="21">91</ComboBoxItem>
+        <ComboBoxItem Background="#FF274DC9" Height="21">92</ComboBoxItem>
+        <ComboBoxItem Background="#FF827AED" Height="21">93</ComboBoxItem>
+        <ComboBoxItem Background="#FFD30CFF" Height="21">94</ComboBoxItem>
+        <ComboBoxItem Background="#FFFF065A" Height="21">95</ComboBoxItem>
+
+        <ComboBoxItem Background="#FFFF7D00" Height="21">96</ComboBoxItem>
+        <ComboBoxItem Background="#FFB9B100" Height="21">97</ComboBoxItem>
+        <ComboBoxItem Background="#FF8AFD00" Height="21">98</ComboBoxItem>
+        <ComboBoxItem Background="#FF825D00" Height="21">99</ComboBoxItem>
+        <ComboBoxItem Background="#FF392800" Height="21">100</ComboBoxItem>
+        <ComboBoxItem Background="#FF0D4C05" Height="21">101</ComboBoxItem>
+        <ComboBoxItem Background="#FF005037" Height="21">102</ComboBoxItem>
+        <ComboBoxItem Background="#FF131329" Height="21">103</ComboBoxItem>
+
+        <ComboBoxItem Background="#FF101F5A" Height="21">104</ComboBoxItem>
+        <ComboBoxItem Background="#FF6A3C17" Height="21">105</ComboBoxItem>
+        <ComboBoxItem Background="#FFAC0400" Height="21">106</ComboBoxItem>
+        <ComboBoxItem Background="#FFE15135" Height="21">107</ComboBoxItem>
+        <ComboBoxItem Background="#FFDC6900" Height="21">108</ComboBoxItem>
+        <ComboBoxItem Background="#FFDC6900" Height="21">109</ComboBoxItem>
+        <ComboBoxItem Background="#FFFFE100" Height="21">110</ComboBoxItem>
+        <ComboBoxItem Background="#FF99E100" Height="21">111</ComboBoxItem>
+
+        <ComboBoxItem Background="#FF1B1B31" Height="21">112</ComboBoxItem>
+        <ComboBoxItem Background="#FFDCFD54" Height="21">113</ComboBoxItem>
+        <ComboBoxItem Background="#FF76FCB8" Height="21">114</ComboBoxItem>
+        <ComboBoxItem Background="#FF9697FF" Height="21">115</ComboBoxItem>
+        <ComboBoxItem Background="#FF8B61FF" Height="21">116</ComboBoxItem>
+        <ComboBoxItem Background="#FF404040" Height="21">117</ComboBoxItem>
+        <ComboBoxItem Background="#FF747474" Height="21">118</ComboBoxItem>
+        <ComboBoxItem Background="#FFDEFCFC" Height="21">119</ComboBoxItem>
+
+        <ComboBoxItem Background="#FFA40400" Height="21">120</ComboBoxItem>
+        <ComboBoxItem Background="#FF350000" Height="21">121</ComboBoxItem>
+        <ComboBoxItem Background="#FF00D100" Height="21">122</ComboBoxItem>
+        <ComboBoxItem Background="#FF004000" Height="21">123</ComboBoxItem>
+        <ComboBoxItem Background="#FFB9B100" Height="21">124</ComboBoxItem>
+        <ComboBoxItem Background="#FF3D3000" Height="21">125</ComboBoxItem>
+        <ComboBoxItem Background="#FFB45D00" Height="21">126</ComboBoxItem>
+        <ComboBoxItem Background="#FF4A1400" Height="21">127</ComboBoxItem>
+      </ComboBox>
+    </Grid>
   </Grid>
 </Window>
diff --git a/MidiTest/MainWindow.xaml.cs b/MidiTest/MainWindow.xaml.cs
index 151286f..3d79719 100644
--- a/MidiTest/MainWindow.xaml.cs
+++ b/MidiTest/MainWindow.xaml.cs
@@ -32,5 +32,9 @@ namespace MidiTest {
 
       outp.Send(new Byte[] { 146, 88, 81 }, 0, 3, 0);
     }
+
+    private void ShowPopup(Object sender, System.Windows.Input.MouseButtonEventArgs e) {
+
+    }
   }
 }