internal void Initialize(Type t)
{
InitializeApartmentDetails();
// Guard multiple invocation.
if (iunknown != IntPtr.Zero)
{
return;
}
ObjectCreationDelegate ocd = ExtensibleClassFactory.GetObjectCreationCallback(t);
if (ocd != null)
{
iunknown = ocd(IntPtr.Zero);
if (iunknown == IntPtr.Zero)
{
throw new COMException(string.Format("ObjectCreationDelegate for type {0} failed to return a valid COM object", t));
}
}
else
{
int hr = CoCreateInstance(GetCLSID(t), IntPtr.Zero, 0x1 | 0x4 | 0x10, IID_IUnknown, out iunknown);
Marshal.ThrowExceptionForHR(hr);
}
}
internal void Initialize(Type t)
{
if (this.iunknown != IntPtr.Zero)
{
return;
}
ObjectCreationDelegate objectCreationCallback = ExtensibleClassFactory.GetObjectCreationCallback(t);
if (objectCreationCallback != null)
{
this.iunknown = objectCreationCallback(IntPtr.Zero);
if (this.iunknown == IntPtr.Zero)
{
throw new COMException(string.Format("ObjectCreationDelegate for type {0} failed to return a valid COM object", t));
}
}
else
{
int errorCode = __ComObject.CoCreateInstance(__ComObject.GetCLSID(t), IntPtr.Zero, 21u, __ComObject.IID_IUnknown, out this.iunknown);
Marshal.ThrowExceptionForHR(errorCode);
}
}
internal static IntPtr CreateIUnknown(Type t)
{
System.Runtime.CompilerServices.RuntimeHelpers.RunClassConstructor(t.TypeHandle);
IntPtr iunknown;
ObjectCreationDelegate ocd = ExtensibleClassFactory.GetObjectCreationCallback(t);
if (ocd != null)
{
iunknown = ocd(IntPtr.Zero);
if (iunknown == IntPtr.Zero)
{
throw new COMException(string.Format("ObjectCreationDelegate for type {0} failed to return a valid COM object", t));
}
}
else
{
int hr = CoCreateInstance(GetCLSID(t), IntPtr.Zero, 0x1 | 0x4 | 0x10, IID_IUnknown, out iunknown);
Marshal.ThrowExceptionForHR(hr);
}
return(iunknown);
}
static TestClass()
{
ExtensibleClassFactory.RegisterObjectCreationCallback(new ObjectCreationDelegate(CreateObject));
;
}