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Polling Interval Update - Installation Instructions

✅ Files Updated Based on Your GitHub Source

I've applied the changes to YOUR actual source code from the zip file.

Namespace verified: nvGPUMonitor (lowercase 'nv') ✓

📦 Files to Replace

Simply replace these 2 files in your project:

  1. MainWindow.xaml - Added interval dropdown ComboBox
  2. MainWindow.xaml.cs - Added IntervalComboBox_SelectionChanged handler

🔧 What Changed

MainWindow.xaml

Added before the "Folder To Monitor" button:

<TextBlock Text="Update Interval:" VerticalAlignment="Center" Margin="0,0,8,0" FontWeight="SemiBold"/>
<ComboBox x:Name="IntervalComboBox" Width="100" Margin="0,0,16,0" SelectionChanged="IntervalComboBox_SelectionChanged">
  <ComboBoxItem Content="0.1 sec" Tag="100"/>
  <ComboBoxItem Content="0.2 sec" Tag="200"/>
  ...
  <ComboBoxItem Content="1.0 sec" Tag="1000" IsSelected="True"/>
  ...
  <ComboBoxItem Content="5.0 sec" Tag="5000"/>
</ComboBox>

MainWindow.xaml.cs

Added new event handler at the end (before the closing braces):

private void IntervalComboBox_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
{
    if (sender is System.Windows.Controls.ComboBox comboBox && comboBox.SelectedItem is System.Windows.Controls.ComboBoxItem item)
    {
        if (item.Tag is string intervalStr && int.TryParse(intervalStr, out int intervalMs))
        {
            _tick.Stop();
            _tick.Interval = intervalMs;
            _tick.Start();
        }
    }
}

🚀 Installation Steps

  1. Backup your current files (just in case)
  2. Replace MainWindow.xaml with the new version
  3. Replace MainWindow.xaml.cs with the new version
  4. Rebuild your project
  5. Run the application

✨ Result

You'll see the interval dropdown in the bottom-right:

[Update Interval: ▼ 1.0 sec] [Folder To Monitor] [Start Log] [Stop Log]

📊 Available Intervals

Fine-grained (GPU Profiling):

  • 0.1s, 0.2s, 0.3s, 0.4s, 0.5s, 0.6s, 0.7s, 0.8s, 0.9s, 1.0s

Coarse (Low CPU Usage):

  • 2.0s, 3.0s, 4.0s, 5.0s

Default: 1.0 second

🧪 Testing

  1. Build and run the application
  2. Select different intervals from the dropdown
  3. Watch the gauges update at the selected rate
  4. Verify all metrics update correctly

❓ Troubleshooting

If it doesn't build:

  • Make sure you replaced BOTH files
  • Check that the namespace is nvGPUMonitor (lowercase 'nv')
  • Clean and rebuild the solution

If it builds but crashes:

  • Check the error message
  • Verify the ComboBox name is IntervalComboBox
  • Ensure the SelectionChanged event is connected

If the dropdown doesn't appear:

  • Check MainWindow.xaml was updated correctly
  • Verify the StackPanel section was replaced

📝 Notes

  • Changes take effect immediately (no restart needed)
  • The interval persists while the app is running
  • Resets to default (1.0s) when you restart the app
  • Lower intervals (0.1-0.5s) will use more CPU but provide finer detail
  • Higher intervals (2-5s) reduce CPU usage for background monitoring