initial build
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NinjaPug
299
MainForm.cs
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299
MainForm.cs
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using System;
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using System.Collections.Generic;
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using System.IO.Ports;
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using System.Text;
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using System.Windows.Forms;
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using LibreHardwareMonitor.Hardware;
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namespace OledMonitor
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{
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public partial class MainForm : Form
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{
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private readonly Computer _computer;
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private SerialPort? _serialPort;
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private readonly System.Windows.Forms.Timer _updateTimer = new();
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private readonly Dictionary<string, float> _sensorValues = new();
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private bool _autoUpdate = true;
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public MainForm()
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{
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InitializeComponent();
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// Initialize LibreHardwareMonitor
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_computer = new Computer
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{
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IsCpuEnabled = true,
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IsGpuEnabled = true,
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IsMemoryEnabled = true,
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IsMotherboardEnabled = true,
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IsControllerEnabled = false,
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IsNetworkEnabled = false,
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IsStorageEnabled = false
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};
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_computer.Open();
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// Find available serial ports
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RefreshComPorts();
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// Setup timer for updates
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_updateTimer.Interval = 1000; // 1 second updates
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_updateTimer.Tick += UpdateTimer_Tick;
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// Add sensor variable examples to help text
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UpdateHelpText();
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}
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private void UpdateHelpText()
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{
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// Collect available sensors to show as examples
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StringBuilder sb = new StringBuilder();
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sb.AppendLine("Available sensor variables:");
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sb.AppendLine();
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// Update hardware readings
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foreach (var hardware in _computer.Hardware)
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{
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hardware.Update();
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foreach (var sensor in hardware.Sensors)
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{
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if (sensor.Value.HasValue &&
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(sensor.SensorType == SensorType.Load ||
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sensor.SensorType == SensorType.Temperature ||
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sensor.SensorType == SensorType.Clock ||
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sensor.SensorType == SensorType.Power))
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{
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string sensorId = GetSensorVariableName(hardware.Name, sensor.Name);
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_sensorValues[sensorId] = sensor.Value.Value;
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string unit = GetSensorUnit(sensor.SensorType);
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sb.AppendLine($"{sensorId} = {sensor.Value.Value:F1}{unit}");
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}
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}
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}
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txtHelpText.Text = sb.ToString();
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}
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private string GetSensorVariableName(string hardwareName, string sensorName)
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{
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// Create a simplified and safe variable name
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string name = $"{hardwareName}_{sensorName}"
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.Replace(" ", "_")
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.Replace("%", "Percent")
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.Replace("#", "Num")
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.Replace("/", "_")
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.Replace("\\", "_")
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.Replace("(", "")
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.Replace(")", "")
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.Replace(",", "");
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return name;
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}
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private string GetSensorUnit(SensorType sensorType)
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{
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return sensorType switch
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{
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SensorType.Temperature => "°C",
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SensorType.Load => "%",
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SensorType.Clock => "MHz",
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SensorType.Power => "W",
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_ => ""
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};
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}
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private void RefreshComPorts()
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{
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comboBoxPorts.Items.Clear();
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foreach (string port in SerialPort.GetPortNames())
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{
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comboBoxPorts.Items.Add(port);
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}
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if (comboBoxPorts.Items.Count > 0)
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comboBoxPorts.SelectedIndex = 0;
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}
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private void btnConnect_Click(object? sender, EventArgs e)
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{
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if (_serialPort != null && _serialPort.IsOpen)
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{
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DisconnectFromDevice();
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btnConnect.Text = "Connect";
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lblStatus.Text = "Disconnected";
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_updateTimer.Stop();
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}
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else
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{
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try
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{
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string selectedPort = comboBoxPorts.SelectedItem?.ToString() ?? "";
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if (string.IsNullOrEmpty(selectedPort))
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{
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MessageBox.Show("Please select a COM port.");
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return;
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}
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_serialPort = new SerialPort(selectedPort, 115200);
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_serialPort.Open();
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btnConnect.Text = "Disconnect";
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lblStatus.Text = $"Connected to {selectedPort}";
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_updateTimer.Start();
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// Send immediately after connecting
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SendMarkupToDevice();
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}
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catch (Exception ex)
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{
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MessageBox.Show($"Error connecting to device: {ex.Message}");
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}
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}
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}
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private void DisconnectFromDevice()
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{
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if (_serialPort != null && _serialPort.IsOpen)
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{
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_serialPort.Close();
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_serialPort.Dispose();
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_serialPort = null;
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}
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}
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private void UpdateTimer_Tick(object? sender, EventArgs e)
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{
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if (_serialPort == null || !_serialPort.IsOpen)
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return;
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// Update all hardware readings
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UpdateSensorValues();
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// If set to auto-update, send markup to device
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if (_autoUpdate)
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{
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SendMarkupToDevice();
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}
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}
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private void UpdateSensorValues()
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{
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// Update all hardware readings
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foreach (var hardware in _computer.Hardware)
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{
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hardware.Update();
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foreach (var sensor in hardware.Sensors)
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{
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if (sensor.Value.HasValue)
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{
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string sensorId = GetSensorVariableName(hardware.Name, sensor.Name);
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_sensorValues[sensorId] = sensor.Value.Value;
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}
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}
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}
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}
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private void SendMarkupToDevice()
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{
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if (_serialPort == null || !_serialPort.IsOpen)
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return;
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try
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{
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string markup = ProcessVariablesInMarkup(txtMarkupEditor.Text);
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_serialPort.WriteLine(markup);
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txtMarkupPreview.Text = markup;
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}
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catch (Exception ex)
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{
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lblStatus.Text = $"Error: {ex.Message}";
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_updateTimer.Stop();
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DisconnectFromDevice();
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btnConnect.Text = "Connect";
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}
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}
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private string ProcessVariablesInMarkup(string markup)
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{
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// Replace variables with actual values
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foreach (var sensor in _sensorValues)
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{
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// Look for {variable} syntax in the markup
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string variablePattern = $"{{{sensor.Key}}}";
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// Format value based on type (integers vs decimals)
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string formattedValue;
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if (Math.Abs(sensor.Value - Math.Round(sensor.Value)) < 0.01)
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{
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formattedValue = $"{sensor.Value:F0}";
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}
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else
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{
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formattedValue = $"{sensor.Value:F1}";
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}
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markup = markup.Replace(variablePattern, formattedValue);
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}
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return markup;
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}
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private void btnRefreshPorts_Click(object? sender, EventArgs e)
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{
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RefreshComPorts();
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}
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private void btnRefreshSensors_Click(object? sender, EventArgs e)
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{
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UpdateSensorValues();
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UpdateHelpText();
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}
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private void btnSendNow_Click(object? sender, EventArgs e)
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{
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UpdateSensorValues();
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SendMarkupToDevice();
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}
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private void chkAutoUpdate_CheckedChanged(object? sender, EventArgs e)
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{
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_autoUpdate = chkAutoUpdate.Checked;
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}
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private void Form_FormClosing(object? sender, FormClosingEventArgs e)
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{
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_updateTimer.Stop();
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DisconnectFromDevice();
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_computer.Close();
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}
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private void btnLoadExample_Click(object? sender, EventArgs e)
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{
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txtMarkupEditor.Text =
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"<text x=0 y=12 size=1>CPU: {CPU_Core_i7-6700K_Total_Load}%</text>" +
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"<bar x=0 y=16 w=100 h=8 val={CPU_Core_i7-6700K_Total_Load} />" +
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"<text x=0 y=32 size=1>GPU: {GPU_NVIDIA_GeForce_GTX_1080_Load_GPU_Core}%</text>" +
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"<bar x=0 y=36 w=100 h=8 val={GPU_NVIDIA_GeForce_GTX_1080_Load_GPU_Core} />" +
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"<text x=0 y=52 size=1>RAM: {Memory_Load}%</text>" +
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"<bar x=0 y=56 w=100 h=8 val={Memory_Load} />";
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}
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private void btnInsertIcon_Click(object? sender, EventArgs e)
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{
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using IconBrowser browser = new();
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if (browser.ShowDialog() == DialogResult.OK)
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{
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// Get the icon markup and insert it at the cursor position
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string iconMarkup = browser.GetIconMarkup();
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if (!string.IsNullOrEmpty(iconMarkup))
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{
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int selectionStart = txtMarkupEditor.SelectionStart;
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txtMarkupEditor.Text = txtMarkupEditor.Text.Insert(selectionStart, iconMarkup);
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txtMarkupEditor.SelectionStart = selectionStart + iconMarkup.Length;
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txtMarkupEditor.Focus();
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}
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}
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}
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}
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}
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