System.Core 4.0.0.0 System.Enum To be added. Specifies whether the underlying handle is inheritable by child processes. Field 4.0.0.0 System.IO.HandleInheritability Specifies that the handle is inheritable by child processes. Field 4.0.0.0 System.IO.HandleInheritability Specifies that the handle is not inheritable by child processes.