// <Snippet1>
private void MyUnion()
{
// Create a DnsPermission instance that is the union of the current DnsPermission
// instance and the specified DnsPermission instance.
DnsPermission permission = (DnsPermission)dnsPermission1.Union(dnsPermission2);
// Print the attributes and the values of the union instance of DnsPermission.
PrintKeysAndValues(permission.ToXml().Attributes);
}
public void Union()
{
DnsPermission dpn = new DnsPermission(PermissionState.None);
DnsPermission dpu = new DnsPermission(PermissionState.Unrestricted);
DnsPermission result = (DnsPermission)dpn.Union(null);
Assert.IsFalse(result.IsUnrestricted(), "None U null");
result = (DnsPermission)dpu.Union(null);
Assert.IsTrue(result.IsUnrestricted(), "Unrestricted U null");
result = (DnsPermission)dpn.Union(dpn);
Assert.IsFalse(result.IsUnrestricted(), "None U None");
result = (DnsPermission)dpu.Union(dpu);
Assert.IsTrue(result.IsUnrestricted(), "Unrestricted U Unrestricted");
result = (DnsPermission)dpn.Union(dpu);
Assert.IsTrue(result.IsUnrestricted(), "None U Unrestricted");
result = (DnsPermission)dpu.Union(dpn);
Assert.IsTrue(result.IsUnrestricted(), "Unrestricted U None");
}
public void Union_BadPermission()
{
DnsPermission dp = new DnsPermission(PermissionState.None);
dp.Union(new SecurityPermission(PermissionState.Unrestricted));
}