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FileIOPermission Constructor (PermissionState)

.NET Framework 4.5

Initializes a new instance of the FileIOPermission class with fully restricted or unrestricted permission as specified.

Namespace: System.Security.Permissions
Assembly: mscorlib (in mscorlib.dll)

public FileIOPermission(
	PermissionState state
)

Parameters

state: Type: System.Security.Permissions.PermissionState
One of the PermissionState enumeration values.

Exceptions

Exception	Condition
ArgumentException	The state parameter is not a valid value of PermissionState.

Remarks

Creates either fully restricted (None) or Unrestricted access to files and directories.

Examples

The following code example creates a new instance of the FileIOPermission class with fully restricted read access.

C++

            FileIOPermission f = new FileIOPermission(PermissionState.None);
            f.AllLocalFiles = FileIOPermissionAccess.Read;
            try
            {
                f.Demand();
            }
            catch (SecurityException s)
            {
                Console.WriteLine(s.Message);
            }

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

FileIOPermission Class

FileIOPermission Overload

System.Security.Permissions Namespace

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