public static void UnregisterTemporaryProtocolHandler(Type protocolHandlerClass, string protocol)
{
if (protocolHandlerClass == null)
{
throw new ArgumentNullException("protocolHandlerClass");
}
lock ( temporaryHandlerCFList )
{
HandlerAndProtocol token = new HandlerAndProtocol(protocolHandlerClass, protocol);
IntPtr handlerCF;
if (temporaryHandlerCFList[token] == null)
{
throw new InvalidOperationException(string.Format(
"Protocol handler is not registered.", protocolHandlerClass.FullName));
}
else
{
handlerCF = (IntPtr)temporaryHandlerCFList[token];
}
NativeMethods.IInternetSession session = GetSession();
try
{
session.UnregisterNameSpace(
handlerCF,
token.Protocol);
}
finally
{
Marshal.ReleaseComObject(session);
session = null;
}
temporaryHandlerCFList[token] = null;
}
}
public static void RegisterTemporaryProtocolHandler(Type protocolHandlerClass, string protocol)
{
if( protocolHandlerClass==null )
throw new ArgumentNullException("protocolHandlerClass");
lock( temporaryHandlerCFList )
{
HandlerAndProtocol token=new HandlerAndProtocol(protocolHandlerClass,protocol);
if( temporaryHandlerCFList[token]!=null )
throw new InvalidOperationException(string.Format(
"Handler for this protocol already registered.", protocolHandlerClass.FullName ));
CheckHandlerType(protocolHandlerClass);
Guid handlerGuid=protocolHandlerClass.GUID;
Guid iid_IUknown=NativeMethods.IID_IUnknown;
Guid iid=NativeMethods.IID_IClassFactory;
IntPtr handlerCF;
int hResult=NativeMethods.DllGetClassObject(
ref handlerGuid,
ref iid,
out handlerCF );
Marshal.ThrowExceptionForHR(hResult);
if( handlerCF==IntPtr.Zero )
{
RegistryKey inprocServer32=Registry.ClassesRoot.OpenSubKey(
@"CLSID\"+protocolHandlerClass.GUID.ToString("B")+@"\InprocServer32" );
if( inprocServer32==null
|| (inprocServer32.GetValue(null)+"").ToLower()!="mscoree.dll"
|| (inprocServer32.GetValue("Assembly")+"")==""
|| (inprocServer32.GetValue("Class")+"")=="" )
throw new InvalidOperationException(
"Class seems to be not registered." );
else
throw new ExternalException(
"DllGetClassObject failed.", hResult );
}
string emptyStr=null;
NativeMethods.IInternetSession session=GetSession();
try
{
session.RegisterNameSpace(
handlerCF,
ref handlerGuid,
protocol,
0,
ref emptyStr,
0 );
}
finally
{
Marshal.ReleaseComObject(session);
session=null;
}
temporaryHandlerCFList[token]=handlerCF;
}
}
public static void UnregisterTemporaryProtocolHandler(Type protocolHandlerClass,string protocol)
{
if( protocolHandlerClass==null )
throw new ArgumentNullException("protocolHandlerClass");
lock( temporaryHandlerCFList )
{
HandlerAndProtocol token=new HandlerAndProtocol(protocolHandlerClass,protocol);
IntPtr handlerCF;
if( temporaryHandlerCFList[token]==null )
throw new InvalidOperationException(string.Format(
"Protocol handler is not registered.", protocolHandlerClass.FullName ));
else
handlerCF=(IntPtr)temporaryHandlerCFList[token];
NativeMethods.IInternetSession session=GetSession();
try
{
session.UnregisterNameSpace(
handlerCF,
token.Protocol );
}
finally
{
Marshal.ReleaseComObject(session);
session=null;
}
temporaryHandlerCFList[token]=null;
}
}
public static void RegisterTemporaryProtocolHandler(Type protocolHandlerClass, string protocol)
{
if (protocolHandlerClass == null)
{
throw new ArgumentNullException("protocolHandlerClass");
}
lock ( temporaryHandlerCFList )
{
HandlerAndProtocol token = new HandlerAndProtocol(protocolHandlerClass, protocol);
if (temporaryHandlerCFList[token] != null)
{
throw new InvalidOperationException(string.Format(
"Handler for this protocol already registered.", protocolHandlerClass.FullName));
}
CheckHandlerType(protocolHandlerClass);
Guid handlerGuid = protocolHandlerClass.GUID;
Guid iid_IUknown = NativeMethods.IID_IUnknown;
Guid iid = NativeMethods.IID_IClassFactory;
IntPtr handlerCF;
int hResult = NativeMethods.DllGetClassObject(
ref handlerGuid,
ref iid,
out handlerCF);
Marshal.ThrowExceptionForHR(hResult);
if (handlerCF == IntPtr.Zero)
{
RegistryKey inprocServer32 = Registry.ClassesRoot.OpenSubKey(
@"CLSID\" + protocolHandlerClass.GUID.ToString("B") + @"\InprocServer32");
if (inprocServer32 == null ||
(inprocServer32.GetValue(null) + "").ToLower() != "mscoree.dll" ||
(inprocServer32.GetValue("Assembly") + "") == "" ||
(inprocServer32.GetValue("Class") + "") == "")
{
throw new InvalidOperationException(
"Class seems to be not registered.");
}
else
{
throw new ExternalException(
"DllGetClassObject failed.", hResult);
}
}
string emptyStr = null;
NativeMethods.IInternetSession session = GetSession();
try
{
session.RegisterNameSpace(
handlerCF,
ref handlerGuid,
protocol,
0,
ref emptyStr,
0);
}
finally
{
Marshal.ReleaseComObject(session);
session = null;
}
temporaryHandlerCFList[token] = handlerCF;
}
}
