| CreateCommand | Finds and instantiates the subcommand using the arguments from the EnvironmentGetCommandLineArgs method, using the first argument for the command name. If that fails, writes error and usage information. |
| CreateCommand(ReadOnlyMemoryString) | Finds and instantiates the subcommand with the name from the first argument, or if that fails, writes error and usage information. |
| CreateCommand(String) | Finds and instantiates the subcommand with the name from the first argument, or if that fails, writes error and usage information. |
| CreateCommand(String, ReadOnlyMemoryString) | Finds and instantiates the subcommand with the specified name, or if that fails, writes error and usage information. |
| CreateCommand(String, String) | Finds and instantiates the subcommand with the specified name, or if that fails, writes error and usage information. |