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title: "includelib (C++) | Microsoft Docs"
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---
# includelib (C++)
Causes an .idl or .h file to be included in the generated .idl file.  
  
## Syntax  
  
```  
  
      [ includelib(  
   name.idl  
) ];  
```  
  
#### Parameters  
 *name.idl*  
 The name of the .idl file that you want included as part of the generated .idl file.  
  
## Remarks  
 The `includelib` C++ attribute causes an .idl or .h file to be included in the generated .idl file, after the `importlib` statement.  
  
## Example  
 The following code is shown in a .cpp file:  
  
```  
// cpp_attr_ref_includelib.cpp  
// compile with: /LD  
[module(name="MyLib")];  
[includelib("includelib.idl")];  
```  
  
## Requirements  
  
### Attribute Context  
  
|||  
|-|-|  
|**Applies to**|Anywhere|  
|**Repeatable**|Yes|  
|**Required attributes**|None|  
|**Invalid attributes**|None|  
  
 For more information, see [Attribute Contexts](../windows/attribute-contexts.md).  
  
## See Also  
 [IDL Attributes](../windows/idl-attributes.md)   
 [Stand-Alone Attributes](../windows/stand-alone-attributes.md)   
 [import](../windows/import.md)   
 [importidl](../windows/importidl.md)   
 [include](../windows/include-cpp.md)   
 [importlib](../windows/importlib.md)