System.Environment

Object –> Environment

• Information about and manipulation of the current environment and platform.
• Documentation: https://docs.microsoft.com/en-us/dotnet/api/system.environment?view=net-6.0

properties

• CommandLine Returns the command line arguments as a string where the first term is the command itself
• Current DirectoryGets or sets the CWD
• ExitCode
• Is64BitOperatingSystem Boolean if OS is 64-bit
• Is64BitProcess Boolean if the current process if 64-bit
• MachineName Returns the system’s name
• NewLine Returns a platform-independent newline (\r\n for non-Unix platforms; \n for Unix platforms)
• OSVersion Returns an OperatingSystem OSVersion object. See also: OSVersion.VersionString
• ProcessId Returns the PID of the current process as an int
• ProcessorCount Returns the number of processors available to the current process
• ProcessPath Returns the path of the executable that started the current process
• StackTrace Returns current stack trace information
• SystemDirectory Returns the path of the system directory
• TickCount64 Returns the number of milliseconds elapsed since the system started
• UserDomainName Returns the domain username of the current user
• UserName Returns the username of the current process

methods

• Exit(int) Terminate this process and return exit code int to the OS
• FailFast(string) Terminate this process immediately (do not run Catch blocks), and write string to Application event log
• GetCommandLineArgs() Returns the command line arguments as a string[]. [0] is the executable name
• GetEnvironmentVariable(string) Return environment variable string or null if not found
• GetEnvironmentVariables() Return all environment variables as a Dictionary
• GetFolderPath(Environment.SpecialFolder) Return the path of SpecialFolder
• GetLogicalDrives() Return all logical drives as an array of strings
• SetEnvironmentVariable(string variable, string value) Set environment variable to value.

SpecialFolder

Object –> ValueType –> Enum –> Environment.SpecialFolder
Enumerated constants for special system folders.

fields

ApplicationData MyDocuments Personal System