IOPermission Access Enum
Specifies the type of file access requested.
This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.
public enum class FileIOPermissionAccess
[System.Flags] [System.Runtime.InteropServices.ComVisible(true)] [System.Serializable] public enum FileIOPermissionAccess
type FileIOPermissionAccess =
Public Enum FileIOPermissionAccess
Append, Read, Write, and PathDiscovery access to a file or directory. AllAccess represents multiple FileIOPermissionAccess values and causes an ArgumentException when used as the
Access to append material to a file or directory.
No access to a file or directory. NoAccess represents no valid FileIOPermissionAccess values and causes an ArgumentException when used as the parameter for GetPathList(FileIOPermissionAccess), which expects a single value.
Access to the information in the path itself. This helps protect sensitive information in the path, such as user names, as well as information about the directory structure revealed in the path. This value does not grant access to files or folders represented by the path.
For performance reasons,
Access to read from a file or directory.
Access to write to or delete a file or directory. Write access includes deleting and overwriting files or directories.
This enumeration is used with the FileIOPermission class.
Write access to an assembly is similar to granting it Full Trust. If an application should not write to the file system, it should not have Write access.
AllAccess are members of
FileIOPermissionAccess, they are not valid for use as the parameter for GetPathList because they describe no file access types or all file access types, respectively. FileIOPermission.GetPathList expects a single file access type.