Color Picker

// Launch Color Picker from code
using ColorPicker.ModuleServices;

await ColorPickerService.Instance.OpenPickerAsync();

// Retrieve saved color history (ColorPickerService.cs:39)
public Task<OperationResult<IReadOnlyList<SavedColor>>> GetSavedColorsAsync()
{
    var historyPath = Path.Combine(
        Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
        "Microsoft", "PowerToys", "ColorPicker", "colorHistory.json"
    );
    
    // Returns list of SavedColor objects with:
    // - Hex representation
    // - ARGB values
    // - Formatted strings for all enabled formats
}

%LOCALAPPDATA%\Microsoft\PowerToys\ColorPicker\colorHistory.json

// Hotkey structure (from dllmain.cpp:)
struct Hotkey {
    bool win;     // Windows key
    bool alt;     // Alt key
    bool shift;   // Shift key
    bool ctrl;    // Ctrl key
    UINT code;    // Virtual key code
};

// Format conversion (ColorPickerService.cs:66)
private static Dictionary<string, string> BuildFormats(
    Color color, 
    ColorPickerSettings settings)
{
    var formats = new Dictionary<string, string>();
    
    // Add each enabled format
    if (settings.ShowHex)
        formats["HEX"] = $"#{color.R:X2}{color.G:X2}{color.B:X2}";
    
    if (settings.ShowRgb)
        formats["RGB"] = $"rgb({color.R}, {color.G}, {color.B})";
    
    // ... additional format conversions
    
    return formats;
}

// Module interface (from dllmain.cpp)
class ColorPickerModule : public PowertoyModuleIface
{
public:
    virtual void enable() override;
    virtual void disable() override;
    virtual bool is_enabled() override;
    
    // Hotkey handling
    virtual bool on_hotkey(DWORD hotkeyId) override;
    
    // Settings management
    virtual void set_config(const wchar_t* config) override;
};

// Signal Color Picker to show (ColorPickerService.cs:90)
private static Task<OperationResult> SignalEventAsync(
    string eventName, 
    string actionDescription)
{
    using var eventHandle = new EventWaitHandle(
        false, 
        EventResetMode.AutoReset, 
        eventName
    );
    
    if (!eventHandle.Set())
        return Task.FromResult(OperationResult.Fail(
            $"Failed to signal {actionDescription}."));
    
    return Task.FromResult(OperationResult.Ok());
}

[
  "#FF5733",
  "#3498DB",
  "#2ECC71",
  "#F39C12",
  "#9B59B6"
]