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 程式師世界 >> 編程語言 >> C語言 >> C++ >> C++入門知識 >> C++ Preprosessor import

C++ Preprosessor import

編輯:C++入門知識

#import Attributes
Provides links to attributes used with the #import directive.

Microsoft Specific

The following attributes are available to the #import directive.

Attribute
 Description
 
auto_rename
 Renames C++ reserved words by appending two underscores (__) to the variable name to resolve potential name conflicts.
 
auto_search
 Specifies that, when a type library is referenced with #import and itself references another type library, the compiler can do an implicit #import for the other type library.
 
embedded_idl
 Specifies that the type library is written to the .tlh file with the attribute-generated code preserved.
 
exclude (#import)
 Excludes items from the type library header files being generated.
 
high_method_prefix
 Specifies a prefix to be used in naming high-level properties and methods.
 
high_property_prefixes
 Specifies alternate prefixes for three property methods.
 
implementation_only
 Suppresses the generation of the .tlh header file (the primary header file).
 
include()
 Disables automatic exclusion.
 
inject_statement
 Inserts its argument as source text into the type-library header.
 
named_guids
 Tells the compiler to define and initialize GUID variables in old style, of the form LIBID_MyLib, CLSID_MyCoClass,IID_MyInterface, and DIID_MyDispInterface.
 
no_auto_exclude
 Disables automatic exclusion.
 
no_dual_interfaces
 Changes the way the compiler generates wrapper functions for dual interface methods.
 
no_implementation
 Suppresses the generation of the .tli header, which contains the implementations of the wrapper member functions.
 
no_namespace
 Specifies that the namespace name is not generated by the compiler.
 
no_registry
 Tells the compiler not to search the registry for type libraries.
 
no_search_namespace
 Has the same functionality as the no_namespace attribute but is used on type libraries that you use the #import directive with the auto_search attribute.
 
no_smart_pointers
 Suppresses the creation of smart pointers for all interfaces in the type library.
 
raw_dispinterfaces
 Tells the compiler to generate low-level wrapper functions for dispinterface methods and properties that callIDispatch::Invoke and return the HRESULT error code.
 
raw_interfaces_only
 Suppresses the generation of error-handling wrapper functions and property (C++) declarations that use those wrapper functions.
 
raw_method_prefix
 Specifies a different prefix to avoid name collisions.
 
raw_native_types
 Disables the use of COM support classes in the high-level wrapper functions and forces the use of low-level data types instead.
 
raw_property_prefixes
 Specifies alternate prefixes for three property methods.
 
rename (#import)
 Works around name collision problems.
 
rename_namespace
 Renames the namespace that contains the contents of the type library.
 
rename_search_namespace
 Has the same functionality as the rename_namespaceattribute but is used on type libraries that you use the #import directive with the auto_search attribute.
 
tlbid
 Allows for loading libraries other than the primary type library.
 

END Microsoft Specific

 

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