IsNull

HRESULT IsNull([out, retval] VARIANT_BOOL* result));

Returns true if the CDocBuilderValue object is null.

Parameters:

Name	Type	Description
result	VARIANT_BOOL*	Specifies whether the CDocBuilderValue object is null.

Example

COM

CoInitialize(NULL);
IONLYOFFICEDocBuilder* oBuilder = NULL;
IONLYOFFICEDocBuilderContext* oContext = NULL;
IONLYOFFICEDocBuilderValue* oGlobal = NULL;
VARIANT_BOOL b;
oBuilder->Initialize();
oBuilder->GetContext(&oContext);
oContext->GetGlobal(&oGlobal);
oGlobal->IsNull(&b);
oBuilder->Dispose();