CreateUndefined
创建 undefined 值，相当于 JS 中的 undefined。
备注
对于 .docbuilder 文件，不使用 CDocBuilderContext.CreateUndefined 方法。
语法
- Python
- C++
- COM
- Java
- .Net
def CreateUndefined(self) -> CDocBuilderValue
CDocBuilderValue CreateUndefined();
HRESULT CreateUndefined([out, retval] I_DOCBUILDER_VALUE** result);
CDocBuilderValue createUndefined();
CDocBuilderValue^ CreateUndefined();
参数
仅限 COM
- COM
| 名称 | 类型 | 描述 |
|---|---|---|
| result | I_DOCBUILDER_VALUE** | 返回的 undefined 值。 |
示例
- Python
- C++
- COM
- Java
- .Net
builder = docbuilder.CDocBuilder()
context = builder.GetContext()
content = context.CreateUndefined()
std::wstring sWorkDirectory = NSUtils::GetBuilderDirectory();
CDocBuilder::Initialize(sWorkDirectory.c_str());
CDocBuilder oBuilder;
CContext oContext = oBuilder.GetContext();
CValue oUndefined = oContext.CreateUndefined();
CDocBuilder::Dispose();
CoInitialize(NULL);
IONLYOFFICEDocBuilder* oBuilder = NULL;
IONLYOFFICEDocBuilderContext* oContext = NULL;
IONLYOFFICEDocBuilderValue* oContent = NULL;
oBuilder->Initialize();
oBuilder->GetContext(&oContext);
oContext->CreateUndefined(&oContent);
oBuilder->Dispose();
CDocBuilder.initialize("");
CDocBuilder builder = new CDocBuilder();
CDocBuilderContext context = builder.getContext();
CDocBuilderValue undefinedValue = context.createUndefined();
CDocBuilder.dispose();
string workDirectory = "C:/Program Files/ONLYOFFICE/documentBuilder";
CDocBuilder.Initialize(workDirectory);
CDocBuilder oBuilder = new CDocBuilder();
CContext oContext = oBuilder.GetContext();
CValue oUndefined = oContext.CreateUndefined();
CDocBuilder.Destroy();