public IEnumerator GetEnumerator()
{
Variant result;
unsafe
{
void * resultLocal = &result;
DISPPARAMS dispParams = new DISPPARAMS();
Guid guid = Guid.Empty;
Dispatch.Invoke(
DISPID_NEWENUM,
ref guid,
LCID_DEFAULT,
InvokeFlags.DISPATCH_METHOD | InvokeFlags.DISPATCH_PROPERTYGET,
ref dispParams,
new IntPtr(resultLocal),
IntPtr.Zero,
IntPtr.Zero);
}
object resultAsObject = result.ToObject();
if (!(resultAsObject is IEnumVARIANT enumVariant))
{
throw new InvalidOperationException(SR.InvalidOp_InvalidNewEnumVariant);
}
return((IEnumerator)EnumeratorToEnumVariantMarshaler.GetInstance(null).MarshalNativeToManaged(Marshal.GetIUnknownForObject(enumVariant)));
}
public static ICustomMarshaler GetInstance(string pstrCookie)
{
if (instance == null)
{
instance = new EnumeratorToEnumVariantMarshaler();
}
return(instance);
}
public System.Collections.IEnumerator GetEnumerator()
{
Variant result;
unsafe
{
void * resultLocal = &result;
DISPPARAMS dispParams = default;
Guid guid = Guid.Empty;
Dispatch.Invoke(
DISPID_NEWENUM,
ref guid,
LCID_DEFAULT,
InvokeFlags.DISPATCH_METHOD | InvokeFlags.DISPATCH_PROPERTYGET,
ref dispParams,
new IntPtr(resultLocal),
IntPtr.Zero,
IntPtr.Zero
);
}
Debug.Assert(OperatingSystem.IsWindows());
IntPtr enumVariantPtr = IntPtr.Zero;
try
{
object?resultAsObject = result.ToObject();
if (!(resultAsObject is IEnumVARIANT enumVariant))
{
throw new InvalidOperationException(SR.InvalidOp_InvalidNewEnumVariant);
}
enumVariantPtr = Marshal.GetIUnknownForObject(enumVariant);
return((System.Collections.IEnumerator)EnumeratorToEnumVariantMarshaler
.GetInstance(null)
.MarshalNativeToManaged(enumVariantPtr));
}
finally
{
result.Clear();
if (enumVariantPtr != IntPtr.Zero)
{
Marshal.Release(enumVariantPtr);
}
}
}
public static ICustomMarshaler GetInstance (string pstrCookie) {
if (instance == null)
instance = new EnumeratorToEnumVariantMarshaler ();
return instance;
}