Environment

EnvironmentVariableTarget	Used to indicate the source or destination of the environment variables when read from or written to the system.
SpecialFolder	This enum represents a list of folders accessible using GetFolderPath. These definitions are from the Microsoft Dot NET 1.1 MSDN Library.

CommandLine (get)	Returns the command specified when executing the current application, including any arguments typed after the application name.
CurrentDirectory (get)	Returns the current directy of the executing application.
CurrentDirectory (let)	Sets the current directory for the executing application.
MachineName (get)	Returns the name of the local computer.
NewLine (get)	Returns string of a newline character for the local computer.
OSVersion (get)	Returns an object representing the current operating system.
ProcessorCount (get)	Returns the number of processors on the current machine.
SystemDirectory (get)	Returns the System directory for the current OS.
TickCount (get)	Returns the number of milliseconds the system has been running since it started.
UserDomainName (get)	Returns the name of the local machine within a domain
UserInteractive (get)	Determines if the current application is allowed to have user interaction.
UserName (get)	Returns the name of the currently logged in user of the local computer.
WorkingSet (get)	Returns the amount of physical memory the current application is allocated.

ExpandEnvironmentVariables	Replaces environment tags within a string with the actual values.
GetCommandLineArgs	Returns an array of parsed Arguments from the command line.
GetEnvironmentVariable	Returns an environment variable value.
GetEnvironmentVariables	Returns an IDictionary object containing all environment variables as name/value pairs.
GetFolderPath	Returns the path for a specified folder type.
GetLogicalDrives	Returns the logical drives installed on the local machine.
ParseCommandLineArgs	Provides a mechanism to parse arguments from a command line string.
SetEnvironmentVariable	Sets, creates, or deletes an environment variable in the specified region.