Made it so when multiple FX3s are available, form remembers the last …

…FX3 connected and selects that board by default from the drop down menu

src/App.config

@@ -43,6 +43,9 @@
    <setting name="BackColor" serializeAs="String">
     <value>Control</value>
    </setting>
+   <setting name="LastFX3Board" serializeAs="String">
+    <value />
+   </setting>
   </iSensorFX3Eval.My.MySettings>
  </userSettings>
 </configuration>

src/My Project/Settings.settings

@@ -32,5 +32,8 @@
     <Setting Name="BackColor" Type="System.Drawing.Color" Scope="User">
       <Value Profile="(Default)">Control</Value>
     </Setting>
+    <Setting Name="LastFX3Board" Type="System.String" Scope="User">
+      <Value Profile="(Default)" />
+    </Setting>
   </Settings>
 </SettingsFile>

src/SelectFX3GUI.vb

@@ -18,6 +18,11 @@ Public Class SelectFX3GUI
 
         'Set combo box to read-only
         SelectFX3ComboBox.DropDownStyle = ComboBoxStyle.DropDownList
+
+        'if last connected fx3 is available select it by default
+        If m_TopGUI.FX3.AvailableFX3s.Contains(m_TopGUI.LastFX3SN) Then
+            SelectFX3ComboBox.SelectedItem = m_TopGUI.LastFX3SN
+        End If
     End Sub
 
     Private Sub SelectFX3ComboBox_SelectedIndexChanged(sender As Object, e As EventArgs) Handles SelectFX3ComboBox.SelectedIndexChanged

src/TopGUI.vb

@@ -419,6 +419,7 @@ Public Class TopGUI
         My.Settings.ErrorColor = ERROR_COLOR
         My.Settings.IdleColor = IDLE_COLOR
         My.Settings.BackColor = BACK_COLOR
+        My.Settings.LastFX3Board = FX3.ActiveFX3SerialNumber
         My.Settings.Save()
     End Sub
 
@@ -531,6 +532,16 @@ Public Class TopGUI
 
 #Region "Helper Functions"
 
+    ''' <summary>
+    ''' Friend getter for last connected FX3 board SN
+    ''' </summary>
+    ''' <returns></returns>
+    Friend ReadOnly Property LastFX3SN As String
+        Get
+            Return My.Settings.LastFX3Board
+        End Get
+    End Property
+
     ''' <summary>
     ''' Loads default color scheme
     ''' </summary>