Handle when Process V2 isn't available

App.config

@@ -29,6 +29,9 @@
 			<setting name="FirstRun" serializeAs="String">
 				<value>True</value>
 			</setting>
+			<setting name="ShowProcessId" serializeAs="String">
+				<value>False</value>
+			</setting>
 		</ProcessCpuUsageStatusWindow.Properties.Settings>
 	</userSettings>
 </configuration>

Options/GeneralOptionsPanel.xaml

@@ -15,6 +15,7 @@
             <ColumnDefinition Width="*" />
         </Grid.ColumnDefinitions>
         <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"></RowDefinition>
             <RowDefinition Height="Auto"></RowDefinition>
             <RowDefinition Height="Auto"></RowDefinition>
             <RowDefinition Height="*"></RowDefinition>
@@ -23,20 +24,34 @@
                   Name="StartWithWindows"
                   VerticalAlignment="Top"
                   VerticalContentAlignment="Center"
+                  Grid.Column="0"
+                  Grid.Row="0"
                   Grid.ColumnSpan="2" />
-        <Label Grid.Column="0" 
+        <Label Grid.Column="0"
                Grid.Row="1"
                Content="{x:Static properties:Resources.NumberOfProcesses}"
-               Margin="0,4,6,0"
-               Padding="0"               
-               VerticalContentAlignment="Center" VerticalAlignment="Center" Target="{x:Reference NumberOfProcesses}" />
+               Margin="0,4,6,4"
+               Padding="0"
+               VerticalContentAlignment="Center"
+               VerticalAlignment="Center"
+               Target="{x:Reference NumberOfProcesses}" />
         <xctk:IntegerUpDown Grid.Column="1"
-                            Grid.Row="1" x:Name="NumberOfProcesses"
-                            Minimum="1" Maximum="20"
-                            TextAlignment="Left" Margin="0,12,6,6"
+                            Grid.Row="1"
+                            x:Name="NumberOfProcesses"
+                            Minimum="1"
+                            Maximum="20"
+                            TextAlignment="Left"
+                            Margin="0,12,6,12"
                             Width="50"
                             VerticalContentAlignment="Center"
                             VerticalAlignment="Center"
                             HorizontalAlignment="Left" />
+        <CheckBox Content="{x:Static properties:Resources.ShowProcessId}"
+                  Name="ShowProcessId"
+                  VerticalAlignment="Top"
+                  VerticalContentAlignment="Center"
+                  Grid.Column="0"
+                  Grid.Row="2"
+                  Grid.ColumnSpan="2" />
     </Grid>
-</windows:CategoryPanel>
+</windows:CategoryPanel>

Options/GeneralOptionsPanel.xaml.cs

@@ -5,9 +5,13 @@ namespace ProcessCpuUsageStatusWindow.Options
 {
     public partial class GeneralOptionsPanel
     {
-        public GeneralOptionsPanel()
+        private bool IsV2 { get; }
+
+        public GeneralOptionsPanel(bool isV2)
         {
             InitializeComponent();
+
+            IsV2 = isV2;
         }
 
         public override void LoadPanel(object data)
@@ -18,6 +22,9 @@ namespace ProcessCpuUsageStatusWindow.Options
 
             StartWithWindows.IsChecked = settings.AutoStart;
             NumberOfProcesses.Text = settings.ProcessCount.ToString();
+            ShowProcessId.IsChecked = settings.ShowProcessId;
+
+            ShowProcessId.Visibility = IsV2 ? Visibility.Visible : Visibility.Collapsed;
         }
 
         public override bool ValidatePanel()
@@ -34,6 +41,9 @@ namespace ProcessCpuUsageStatusWindow.Options
 
             settings.ProcessCount = int.Parse(NumberOfProcesses.Text);
 
+            if (ShowProcessId.IsChecked.HasValue && settings.ShowProcessId != ShowProcessId.IsChecked.Value)
+                settings.ShowProcessId = ShowProcessId.IsChecked.Value;
+
             Application.Current.SetStartWithWindows(settings.AutoStart);
         }
 

ProcessCpuUsageWatcher.cs

@@ -28,6 +28,8 @@ namespace ProcessCpuUsageStatusWindow
 
         public Dictionary<string, ProcessCpuUsage> CurrentProcessList;
 
+        public bool IsV2 => _processCategory.CategoryName == "Process V2";
+
         #endregion
 
         #region Initialize and terminate
@@ -40,7 +42,8 @@ namespace ProcessCpuUsageStatusWindow
             CurrentProcessList = new Dictionary<string, ProcessCpuUsage>();
 
             // Get the category for process performance info
-            _processCategory = PerformanceCounterCategory.GetCategories().FirstOrDefault(category => category.CategoryName == "Process V2");
+            _processCategory = PerformanceCounterCategory.GetCategories().FirstOrDefault(category => category.CategoryName == "Process V2") ?? 
+                               PerformanceCounterCategory.GetCategories().FirstOrDefault(category => category.CategoryName == "Process");
 
             if (_processCategory == null)
                 return;

Properties/Resources.Designer.cs

@@ -225,7 +225,7 @@ namespace ProcessCpuUsageStatusWindow.Properties {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to CPU: {1,4:f1}% - {0} ({2}).
+        ///   Looks up a localized string similar to CPU: {1,4:f1}% - {0}.
         /// </summary>
         public static string ProcessLine {
             get {
@@ -233,6 +233,15 @@ namespace ProcessCpuUsageStatusWindow.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to CPU: {1,4:f1}% - {0} ({2}).
+        /// </summary>
+        public static string ProcessLineWithProcessId {
+            get {
+                return ResourceManager.GetString("ProcessLineWithProcessId", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Restarting application....
         /// </summary>
@@ -242,6 +251,15 @@ namespace ProcessCpuUsageStatusWindow.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Show _process ID.
+        /// </summary>
+        public static string ShowProcessId {
+            get {
+                return ResourceManager.GetString("ShowProcessId", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to _Start when Windows starts.
         /// </summary>

Properties/Resources.resx

@@ -173,7 +173,7 @@
     <value>Options</value>
   </data>
   <data name="ProcessLine" xml:space="preserve">
-    <value>CPU: {1,4:f1}% - {0} ({2})</value>
+    <value>CPU: {1,4:f1}% - {0}</value>
   </data>
   <data name="StartWithWindows" xml:space="preserve">
     <value>_Start when Windows starts</value>
@@ -184,4 +184,10 @@
   <data name="RestartingAfterUpdate" xml:space="preserve">
     <value>Restarting application...</value>
   </data>
+  <data name="ProcessLineWithProcessId" xml:space="preserve">
+    <value>CPU: {1,4:f1}% - {0} ({2})</value>
+  </data>
+  <data name="ShowProcessId" xml:space="preserve">
+    <value>Show _process ID</value>
+  </data>
 </root>

Properties/Settings.Designer.cs

@@ -82,5 +82,17 @@ namespace ProcessCpuUsageStatusWindow.Properties {
                 this["FirstRun"] = value;
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("False")]
+        public bool ShowProcessId {
+            get {
+                return ((bool)(this["ShowProcessId"]));
+            }
+            set {
+                this["ShowProcessId"] = value;
+            }
+        }
     }
 }

Properties/Settings.settings

@@ -17,5 +17,8 @@
     <Setting Name="FirstRun" Type="System.Boolean" Scope="User">
       <Value Profile="(Default)">True</Value>
     </Setting>
+    <Setting Name="ShowProcessId" Type="System.Boolean" Scope="User">
+      <Value Profile="(Default)">False</Value>
+    </Setting>
   </Settings>
 </SettingsFile>

WindowSource.cs

@@ -62,7 +62,7 @@ namespace ProcessCpuUsageStatusWindow
         {
             var panels = new List<CategoryPanel>
             {
-                new GeneralOptionsPanel(),
+                new GeneralOptionsPanel(_processCpuUsageWatcher.IsV2),
                 new AboutOptionsPanel()
             };
 
@@ -114,7 +114,8 @@ namespace ProcessCpuUsageStatusWindow
         private static class PredefinedProcessName
         {
             public const string Total = "_Total";
-            public const string Idle = "Idle:0";
+            public const string Idle = "Idle";
+            public const string IdleWithProcessId = "Idle:0";
         }
 
         private void UpdateDisplay(Dictionary<string, ProcessCpuUsage> currentProcessList)
@@ -123,7 +124,7 @@ namespace ProcessCpuUsageStatusWindow
             var validProcessList = (currentProcessList.Values.Where(
                 process =>
                     process.UsageValid && process.ProcessName != PredefinedProcessName.Total &&
-                    process.ProcessName != PredefinedProcessName.Idle)).ToList();
+                    process.ProcessName != (_processCpuUsageWatcher.IsV2 ? PredefinedProcessName.IdleWithProcessId : PredefinedProcessName.Idle))).ToList();
 
             // Calculate the total usage by adding up all the processes we know about
             var totalUsage = validProcessList.Sum(process => process.PercentUsage);
@@ -149,13 +150,24 @@ namespace ProcessCpuUsageStatusWindow
                 if (stringBuilder.Length != 0)
                     stringBuilder.AppendLine();
 
-                var colonPosition = processCpuUsage.ProcessName.LastIndexOf(':');
+                if (_processCpuUsageWatcher.IsV2)
+                {
+                    // Split the process name from the process ID
+                    var colonPosition = processCpuUsage.ProcessName.LastIndexOf(':');
 
-                var processName = colonPosition == -1 ? processCpuUsage.ProcessName : processCpuUsage.ProcessName.Substring(0, colonPosition);
-                var processId = colonPosition == -1 ? string.Empty : processCpuUsage.ProcessName.Substring(colonPosition + 1);
+                    var processName = processCpuUsage.ProcessName.Substring(0, colonPosition);
+                    var processId = processCpuUsage.ProcessName.Substring(colonPosition + 1);
 
-                // Format the process information into a string to display
-                stringBuilder.AppendFormat(Resources.ProcessLine, processName, processCpuUsage.PercentUsage, processId);
+                    var formatString = Settings.Default.ShowProcessId ? Resources.ProcessLineWithProcessId : Resources.ProcessLine;
+
+                    // Format the process information into a string to display
+                    stringBuilder.AppendFormat(formatString, processName, processCpuUsage.PercentUsage, processId);
+                }
+                else
+                {
+                    // Format the process information into a string to display
+                    stringBuilder.AppendFormat(Resources.ProcessLine, processCpuUsage.ProcessName, processCpuUsage.PercentUsage);
+                }
             }
 
             // Add the footer line (if any)