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FileIOPermission Constructor (PermissionState)

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.

ExceptionCondition
ArgumentException

The state parameter is not a valid value of PermissionState.

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

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

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

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

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