pass member function pointer
跳到 How do I pass a pointer-to-member-function to a signal ... - The system call that starts a thread, for example, might require you to pass a function pointer along with a void* , so you can pass the object pointer in the void* . , In order to call a member function, you need both pointer to member function and the object. However, given that member function type actually ..., Member functions require instance of object to be invoked. While standard components offer ways to do so, none lead to production of function ..., To call a member function by pointer, you need two things: A pointer to the object and a pointer to the function. You need both in ..., All the suggestions have been useful and I think if I collate them all and return to the original problem, I may have a solution that works for me.,If you need to access any non-static member of your class and you need to stick with function pointers, e.g., because the function is part of a C interface, your best option is to always pass a void* to your function taking function pointers and call your, You cannot cast a function pointer to void* . If you want a function pointer to point to a member function you must declare the type as, ClassName::add is a non-static member function, an instance of ClassName is needed for it to be ... or use std::bind and bind this pointer:, Take boost::function<signature> pass the result of boost::bind() ... With member function - just use C++03 std::mem_fun/bind1st from C++03 ...
| 相關軟體 Jnes 資訊 | |
|---|---|
 pass member function pointer 相關參考資料
Pointers to Member Functions, C++ FAQ - Iso C++
跳到 How do I pass a pointer-to-member-function to a signal ... - The system call that starts a thread, for example, might require you to pass a function pointer along with a void* , so you can pass th... https://isocpp.org C++ How to pass member function pointer to another class? - Stack ...
In order to call a member function, you need both pointer to member function and the object. However, given that member function type actually ... https://stackoverflow.com Can I pass a member function pointer from within a constructor ...
Member functions require instance of object to be invoked. While standard components offer ways to do so, none lead to production of function ... https://stackoverflow.com How do you pass a member function pointer? - Stack Overflow
To call a member function by pointer, you need two things: A pointer to the object and a pointer to the function. You need both in ... https://stackoverflow.com How do I Pass a Member Function to a Function as a Function ...
All the suggestions have been useful and I think if I collate them all and return to the original problem, I may have a solution that works for me. https://stackoverflow.com How can I pass a member function where a free function is expected ...
If you need to access any non-static member of your class and you need to stick with function pointers, e.g., because the function is part of a C interface, your best option is to always pass a void* ... https://stackoverflow.com Passing a pointer to a class member function as a parameter ...
You cannot cast a function pointer to void* . If you want a function pointer to point to a member function you must declare the type as https://stackoverflow.com Pass Member Function as Parameter to other Member Function (C++ 11 ...
ClassName::add is a non-static member function, an instance of ClassName is needed for it to be ... or use std::bind and bind this pointer: https://stackoverflow.com Pass member OR non-member function pointers as parameters - Stack ...
Take boost::function<signature> pass the result of boost::bind() ... With member function - just use C++03 std::mem_fun/bind1st from C++03 ... https://stackoverflow.com |