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SecurityPermissionAttribute.UnmanagedCode Property

Gets or sets a value indicating whether permission to call unmanaged code is declared.

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

public bool UnmanagedCode { get; set; }

Property Value

Type: System.Boolean
true if permission to call unmanaged code is declared; otherwise, false.

The following code example shows the use of the UnmanagedCode property to deny the ability to call unmanaged code. For the complete code example, see the SecurityPermissionAttribute constructor.

    // Set the UnmanagedCode property.
[SecurityPermissionAttribute(SecurityAction.Deny, UnmanagedCode = true)]

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