internal __ComObject(IntPtr pItf, ComInteropProxy p)
{
proxy = p;
InitializeApartmentDetails();
Guid iid = IID_IUnknown;
int hr = Marshal.QueryInterface(pItf, ref iid, out iunknown);
Marshal.ThrowExceptionForHR(hr);
}
public static object GetObjectForIUnknown(IntPtr pUnk)
{
object obj = GetObjectForCCW(pUnk);
// was not a CCW
if (obj == null)
{
ComInteropProxy proxy = ComInteropProxy.GetProxy(pUnk, typeof(__ComObject));
obj = proxy.GetTransparentProxy();
}
return(obj);
}
public static object GetObjectForIUnknown(IntPtr pUnk)
{
#if !MOBILE
object obj = GetObjectForCCW(pUnk);
// was not a CCW
if (obj == null)
{
ComInteropProxy proxy = ComInteropProxy.GetProxy(pUnk, typeof(__ComObject));
obj = proxy.GetTransparentProxy();
}
return(obj);
#else
throw new NotImplementedException();
#endif
}
public static object GetTypedObjectForIUnknown(IntPtr pUnk, Type t)
{
ComInteropProxy proxy = new ComInteropProxy(pUnk, t);
__ComObject co = (__ComObject)proxy.GetTransparentProxy();
foreach (Type itf in t.GetInterfaces())
{
if ((itf.Attributes & TypeAttributes.Import) == TypeAttributes.Import)
{
if (co.GetInterface(itf) == IntPtr.Zero)
{
return(null);
}
}
}
return(co);
}
public static object CreateWrapperOfType(object o, Type t)
{
__ComObject co = o as __ComObject;
if (co == null)
{
throw new ArgumentException("o must derive from __ComObject", "o");
}
if (t == null)
{
throw new ArgumentNullException("t");
}
Type[] itfs = o.GetType().GetInterfaces();
foreach (Type itf in itfs)
{
if (itf.IsImport && co.GetInterface(itf) == IntPtr.Zero)
{
throw new InvalidCastException();
}
}
return(ComInteropProxy.GetProxy(co.IUnknown, t).GetTransparentProxy());
}
internal void Initialize(IntPtr pUnk, ComInteropProxy p)
{
proxy = p;
InitializeApartmentDetails();
iunknown = pUnk;
}
