lean OAuthTool by: lean .NET Framework This package is compatible with all versions of .NET Framework. 3,320 total downloads last updated 12/11/2025 Latest version: 3.0.8 oauth Help Tool Class. EnvironmentTool by: lean .NET Framework 4.5 This package targets .NET Framework 4.5. The package is compatible with this framework or higher. 1,219 total downloads last updated 12/11/2025 Latest version: 1.0.3 读取环境变量工具类