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Has C++/WinRT or WinRT/ABI a CRTP “feature” with _declspec(novtable)?
How to enumerate folder contents in Oct 2018Build Qt project with VS C++ Compiler 15.0 with C++17 to use WinRT APIsHow to call a method on the GUI thread in C++/winrtsynchronizing SDK with Windows 10 update and using WinRT with Standard C++C++-WinRT's com_ptr reset?handle drop event of drag and drop from ListView to ListView with UWP and C++/WinRT appActivation from C++/WinRT DLLWhat's the EntryPoint in AppxManifest.xml for C++/WinRT console UWP apps?Using C++/WinRT dll in WPF with elevated rights applicationHow do you add a C++/WinRT Button Click handler?
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Coming from ATL(Active Template Library) there is a coclass an abstract base class and hence it is secure to tag the coclass with ATL_NO_VTABLE ( _declspec(novtable)). So you can use only the Microsoft C++ compiler to use the ATL classes. Has C++/winRT or WinRT/ABI such a CRTP-"feature" also for other C++ compilers ? And if, how does it work ?
c++-winrt
asked Mar 24 at 8:43
axel47608axel47608
1
add a comment |
Coming from ATL(Active Template Library) there is a coclass an abstract base class and hence it is secure to tag the coclass with ATL_NO_VTABLE ( _declspec(novtable)). So you can use only the Microsoft C++ compiler to use the ATL classes. Has C++/winRT or WinRT/ABI such a CRTP-"feature" also for other C++ compilers ? And if, how does it work ?
c++-winrt
asked Mar 24 at 8:43
axel47608axel47608
1
add a comment |
Coming from ATL(Active Template Library) there is a coclass an abstract base class and hence it is secure to tag the coclass with ATL_NO_VTABLE ( _declspec(novtable)). So you can use only the Microsoft C++ compiler to use the ATL classes. Has C++/winRT or WinRT/ABI such a CRTP-"feature" also for other C++ compilers ? And if, how does it work ?
c++-winrt
asked Mar 24 at 8:43
axel47608axel47608
1
Coming from ATL(Active Template Library) there is a coclass an abstract base class and hence it is secure to tag the coclass with ATL_NO_VTABLE ( _declspec(novtable)). So you can use only the Microsoft C++ compiler to use the ATL classes. Has C++/winRT or WinRT/ABI such a CRTP-"feature" also for other C++ compilers ? And if, how does it work ?
c++-winrt
c++-winrt
asked Mar 24 at 8:43
axel47608axel47608
1
asked Mar 24 at 8:43
axel47608axel47608
1
asked Mar 24 at 8:43
axel47608axel47608
1
asked Mar 24 at 8:43
axel47608axel47608
1
asked Mar 24 at 8:43
axel47608axel47608
1
1
add a comment |
add a comment |
1 Answer
1
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__declspec(novtable) is an implementation detail, unrelated to the CRTP. It is handled in C++/WinRT like pretty much any other platform specific implementation in virtually any other C or C++ library: By use of preprocessor macros. You'll find the following in <base.h>:
#if defined(_MSC_VER)
...
#define WINRT_NOVTABLE __declspec(novtable)
...
#else
...
#define WINRT_NOVTABLE
...
#endif
The respective base types in namespace winrt::impl are appropriately tagged WINRT_NOVTABLE.
answered Mar 24 at 13:51
IInspectableIInspectable
27k645104
Please just use __declspec(novtable) directly if you need it (or define your own macro). The C++/WinRT macros are not meant for public use.
– Kenny Kerr
Mar 25 at 15:00
add a comment |
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1 Answer
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__declspec(novtable) is an implementation detail, unrelated to the CRTP. It is handled in C++/WinRT like pretty much any other platform specific implementation in virtually any other C or C++ library: By use of preprocessor macros. You'll find the following in <base.h>:
#if defined(_MSC_VER)
...
#define WINRT_NOVTABLE __declspec(novtable)
...
#else
...
#define WINRT_NOVTABLE
...
#endif
The respective base types in namespace winrt::impl are appropriately tagged WINRT_NOVTABLE.
answered Mar 24 at 13:51
IInspectableIInspectable
27k645104
Please just use __declspec(novtable) directly if you need it (or define your own macro). The C++/WinRT macros are not meant for public use.
– Kenny Kerr
Mar 25 at 15:00
add a comment |
__declspec(novtable) is an implementation detail, unrelated to the CRTP. It is handled in C++/WinRT like pretty much any other platform specific implementation in virtually any other C or C++ library: By use of preprocessor macros. You'll find the following in <base.h>:
#if defined(_MSC_VER)
...
#define WINRT_NOVTABLE __declspec(novtable)
...
#else
...
#define WINRT_NOVTABLE
...
#endif
The respective base types in namespace winrt::impl are appropriately tagged WINRT_NOVTABLE.
answered Mar 24 at 13:51
IInspectableIInspectable
27k645104
Please just use __declspec(novtable) directly if you need it (or define your own macro). The C++/WinRT macros are not meant for public use.
– Kenny Kerr
Mar 25 at 15:00
add a comment |
__declspec(novtable) is an implementation detail, unrelated to the CRTP. It is handled in C++/WinRT like pretty much any other platform specific implementation in virtually any other C or C++ library: By use of preprocessor macros. You'll find the following in <base.h>:
#if defined(_MSC_VER)
...
#define WINRT_NOVTABLE __declspec(novtable)
...
#else
...
#define WINRT_NOVTABLE
...
#endif
The respective base types in namespace winrt::impl are appropriately tagged WINRT_NOVTABLE.
answered Mar 24 at 13:51
IInspectableIInspectable
27k645104
__declspec(novtable) is an implementation detail, unrelated to the CRTP. It is handled in C++/WinRT like pretty much any other platform specific implementation in virtually any other C or C++ library: By use of preprocessor macros. You'll find the following in <base.h>:
#if defined(_MSC_VER)
...
#define WINRT_NOVTABLE __declspec(novtable)
...
#else
...
#define WINRT_NOVTABLE
...
#endif
The respective base types in namespace winrt::impl are appropriately tagged WINRT_NOVTABLE.
answered Mar 24 at 13:51
IInspectableIInspectable
27k645104
answered Mar 24 at 13:51
IInspectableIInspectable
27k645104
answered Mar 24 at 13:51
IInspectableIInspectable
27k645104
answered Mar 24 at 13:51
IInspectableIInspectable
27k645104
27k645104
Please just use __declspec(novtable) directly if you need it (or define your own macro). The C++/WinRT macros are not meant for public use.
– Kenny Kerr
Mar 25 at 15:00
add a comment |
Please just use __declspec(novtable) directly if you need it (or define your own macro). The C++/WinRT macros are not meant for public use.
– Kenny Kerr
Mar 25 at 15:00
Please just use __declspec(novtable) directly if you need it (or define your own macro). The C++/WinRT macros are not meant for public use.
– Kenny Kerr
Mar 25 at 15:00
Please just use __declspec(novtable) directly if you need it (or define your own macro). The C++/WinRT macros are not meant for public use.
– Kenny Kerr
Mar 25 at 15:00
add a comment |
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