// <Snippet1>
public void UseDns()
{
// Create a DnsPermission instance.
DnsPermission myPermission = new DnsPermission(PermissionState.Unrestricted);
// Check for permission.
myPermission.Demand();
// Create an identical copy of the above 'DnsPermission' object.
DnsPermission myPermissionCopy = (DnsPermission)myPermission.Copy();
Console.WriteLine("Attributes and Values of 'DnsPermission' instance :");
// Print the attributes and values.
PrintKeysAndValues(myPermission.ToXml().Attributes);
Console.WriteLine("Attribute and values of copied instance :");
PrintKeysAndValues(myPermissionCopy.ToXml().Attributes);
}
public void PermissionState_Unrestricted()
{
PermissionState ps = PermissionState.Unrestricted;
DnsPermission dp = new DnsPermission(ps);
Assert.IsTrue(dp.IsUnrestricted(), "IsUnrestricted");
SecurityElement se = dp.ToXml();
Assert.AreEqual("true", se.Attribute("Unrestricted"), "Xml-Unrestricted");
Assert.AreEqual(3, se.Attributes.Count, "Xml-Attributes#");
Assert.IsNull(se.Children, "Xml-Children");
DnsPermission copy = (DnsPermission)dp.Copy();
Assert.IsFalse(Object.ReferenceEquals(dp, copy), "ReferenceEquals");
Assert.AreEqual(dp.IsUnrestricted(), copy.IsUnrestricted(), "IsUnrestricted ()");
}
public void PermissionState_None()
{
PermissionState ps = PermissionState.None;
DnsPermission dp = new DnsPermission(ps);
Assert.IsFalse(dp.IsUnrestricted(), "IsUnrestricted");
SecurityElement se = dp.ToXml();
// only class and version are present
Assert.AreEqual(2, se.Attributes.Count, "Xml-Attributes#");
Assert.IsNull(se.Children, "Xml-Children");
DnsPermission copy = (DnsPermission)dp.Copy();
Assert.IsFalse(Object.ReferenceEquals(dp, copy), "ReferenceEquals");
Assert.AreEqual(dp.IsUnrestricted(), copy.IsUnrestricted(), "IsUnrestricted ()");
}