SmtpPermission.IsSubsetOf(IPermission) Method

Definition

Returns a value indicating whether the current permission is a subset of the specified permission.

public:
 override bool IsSubsetOf(System::Security::IPermission ^ target);
public override bool IsSubsetOf (System.Security.IPermission target);
override this.IsSubsetOf : System.Security.IPermission -> bool
Public Overrides Function IsSubsetOf (target As IPermission) As Boolean

Parameters

target
IPermission

An IPermission that is to be tested for the subset relationship. This permission must be of the same type as the current permission.

Returns

true if the current permission is a subset of the specified permission; otherwise, false.

Exceptions

target is not an SmtpPermission.

Examples

The following code example displays the subset relationship between two permissions.

static bool CheckSubSet(
    SmtpPermission^ permission)
{
    SmtpPermission^ allAccess = 
        gcnew SmtpPermission(PermissionState::Unrestricted);
    return permission->IsSubsetOf(allAccess);
}
public static bool CheckSubSet(SmtpPermission permission)
{
    SmtpPermission allAccess = new 
        SmtpPermission(System.Security.Permissions.PermissionState.Unrestricted);
    return permission.IsSubsetOf(allAccess);
}

Remarks

The current permission is a subset of the specified permission if the current permission specifies a state that is wholly contained by the specified permission. If this method returns true, the current permission represents no more access to the protected resource than does the specified permission.

Applies to