public object MarshalNativeToManaged(IntPtr pNativeData)
{
IEnumVARIANT ienumvariant = (IEnumVARIANT)Marshal.GetObjectForIUnknown(pNativeData);
VARIANTEnumerator e = new VARIANTEnumerator(ienumvariant);
return(e);
}
public ComWrapperEnumerator(object source, Func <object, TWrapperItem> itemWrapper)
{
_itemWrapper = itemWrapper;
if (source != null)
{
_enumeratorRCW = (IEnumVARIANT)IDispatchHelper.PropertyGet_NoArgs((IDispatch)source, (int)IDispatchHelper.StandardDispIds.DISPID_ENUM);
((IEnumerator)this).Reset(); // precaution
}
}
public static IEnumerable <T> ToEnumerable <T>(this IEnumVARIANT enumVariant, int count)
{
enumVariant.Reset();
var buffer = new object[count];
var bufferLengthPointer = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(int)));
enumVariant.Next(buffer.Length, buffer, bufferLengthPointer);
var bufferLength = Marshal.ReadInt32(bufferLengthPointer);
Marshal.FreeCoTaskMem(bufferLengthPointer);
for (var i = 0; i < Math.Min(bufferLength, count); i++)
{
yield return((T)buffer[i]);
}
}
private IEnumerable<FirewallRulePayload> GetPayloads()
{
INetFwRules rules = _firewallPolicy.Rules;
int count = rules.Count;
IEnumVARIANT enumVARIANT = rules.get__NewEnum();
object[] obj = new object[1];
for (int i = 0; i < count; i++)
{
if (enumVARIANT.Next(1, obj, IntPtr.Zero) == 0)
{
var rule = (INetFwRule)obj[0];
if (!ShouldHandleRule(rule))
{
continue;
}
FirewallRulePayload payload = new FirewallRulePayload();
payload.Action = rule.Action.ToIoTValue();
payload.Direction = rule.Direction.ToIoTValue();
payload.Enabled = rule.Enabled;
payload.Application = rule.ApplicationName;
payload.SourceAddress = rule.Direction == NET_FW_RULE_DIRECTION_.NET_FW_RULE_DIR_IN ? rule.RemoteAddresses : rule.LocalAddresses;
payload.SourcePort = rule.Direction == NET_FW_RULE_DIRECTION_.NET_FW_RULE_DIR_IN ? rule.RemotePorts : rule.LocalPorts;
payload.DestinationAddress = rule.Direction == NET_FW_RULE_DIRECTION_.NET_FW_RULE_DIR_IN ? rule.LocalAddresses : rule.RemoteAddresses;
payload.DestinationPort = rule.Direction == NET_FW_RULE_DIRECTION_.NET_FW_RULE_DIR_IN ? rule.LocalPorts : rule.RemotePorts;
payload.Protocol = ((FirewallRuleProtocol)rule.Protocol).ToString();
payload.Priority = null;
payload.ExtraDetails = new Dictionary<string, string>() { { RuleNameExtraDetailsKey, rule.Name } };
yield return payload;
}
}
}
public EnumeratorViewOfEnumVariant(IEnumVARIANT enumVariantObject)
{
_enumVariantObject = enumVariantObject;
_fetchedLastObject = false;
_current = null;
}
public EnumeratorWrapper(IEnumVARIANT enumVariant)
{
this.enumVariant = enumVariant;
}
public ComEnumerator(IEnumVARIANT enumVariant, Func <TSource, TTarget> resolveFunction)
{
_enumVariant = enumVariant;
_resolveFunction = resolveFunction;
_bufferLengthPointer = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(int)));
}
public VARIANTEnumerator (IEnumVARIANT com_enum)
{
this.com_enum = com_enum;
}
public VARIANTEnumerator (IEnumVARIANT com_enum) {
this.com_enum = com_enum;
}
