IsNull
bool IsNull();
Returns true if the CDocBuilderValue object is null.
Please note, that for the .docbuilder file the CDocBuilderValue.IsNll method is not used.
Example
.Net
string workDirectory = "C:/Program Files/ONLYOFFICE/DocumentBuilder";
CDocBuilder.Initialize(workDirectory);
CDocBuilder oBuilder = new CDocBuilder();
CContext oContext = oBuilder.GetContext();
CValue oGlobal = oContext.GetGlobal();
bool bNull = oGlobal.IsNull();
CDocBuilder.Destroy();