Files

Dave Friedel 0352c6b755 Add brightness/contrast sliders, input source switching, and 9-language localization

- Add VCP commands for brightness (10), contrast (12), input source (60)
- Fix UTF-16 encoding for monitor data parsing
- Add system tray app with monitor controls
- Add localization for en, es, fr, de, zh, ja, pt, it, hi
- Update to .NET 9.0
- Add LICENSE and README

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

2026-01-03 22:11:35 -05:00

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CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Project Overview

ControlMyMonitorManagement is a C# WPF desktop application for controlling monitor settings via DDC/CI (Display Data Channel/Command Interface). It allows controlling VCP (Virtual Control Panel) codes like brightness, contrast, and power state across multiple displays.

Build Commands

# Build entire solution
dotnet build ControlMyMonitorManagement.sln

# Build specific project
dotnet build ControlMyMonitorManagement/ControlMyMonitorManagement.csproj
dotnet build DellMonitorControl/DellMonitorControl.csproj

# Run tests
dotnet test Tester/Tester.csproj

# Run main application
dotnet run --project ControlMyMonitorManagement/ControlMyMonitorManagement.csproj

# Run Dell-specific application
dotnet run --project DellMonitorControl/DellMonitorControl.csproj

Architecture

Solution Structure (7 Projects)

ControlMyMonitorManagement.sln
├── ControlMyMonitorManagement    # Main WPF UI application
├── DellMonitorControl            # Dell-specific WPF app with system tray
├── Library                       # Core business logic and monitor control
├── CMMModel                      # Data models for monitor status/VCP codes
├── CMMService                    # Service layer (Interface/, Service/)
├── Language                      # Localization support (CulturesHelper)
└── Tester                        # NUnit test project

Key Components in Library Project

Method/CMMMgr.cs - Main manager class, initializes monitor collection
Method/CMMCommand.cs - Core monitor control commands (PowerOn, Sleep, SetBrightness, SetContrast, SetInputSource, etc.)
ViewModel/XMonitor.cs - Monitor data model (device name, adapter, serial number)
ViewModel/XMonitorStatus.cs - VCP feature status (code, value, max)
WinAPI/Win32Api.cs - Windows API interop for DDC/CI commands
Config/Config.cs - JSON configuration management
Helpers/ConsoleHelper.cs - Process wrapper for cmd.exe commands

VCP Codes Reference

Common VCP codes used in this project:

D6 (Power): 1=on, 4=sleep, 5=off
10 (Brightness): 0-100
12 (Contrast): 0-100
60 (Input Source): 1=VGA, 3=DVI, 15=DisplayPort, 17=HDMI

Localization

Supports 9 languages with auto-detection from system locale:

English (en), Spanish (es), French (fr), German (de)
Chinese (zh), Japanese (ja), Portuguese (pt), Italian (it), Hindi (hi)

Resource files: Language/StringResources.{locale}.xaml Helper: Language/CulturesHelper.cs - call ApplySystemLanguage() on startup

Embedded Resource

Library/Resource/ControlMyMonitor.exe - Third-party tool (by Nir Sofer) embedded for DDC/CI operations

Patterns Used

MVVM - PropertyBase class implements INotifyPropertyChanged
Async/Await - Monitor scanning operations are async
Dependency Injection - Used in DellMonitorControl for configuration

Target Framework

.NET 7.0-windows with WPF (UseWPF=true)

Versioning

Dynamic version format: Major.Minor.DaysSinceProjectStart.HourMinutes

Main app project start: 2017-09-17
DellMonitorControl start: 2023-07-02

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