Context in which the code that manages the newly created object will run.rclsid CLSID associated with the data and code that will be used to create the object.Return valueReturns S_OK on success, or REGDB_E_CLASSNOTREG, CLASS_E_NOAGGREGATION, CO_E_CLASSSTRING, or E_NOINTERFACE on failure...
The class describes an enumeration and a structure common to all specializations of class templatemoneypunct. Syntax C++Копіювати structpattern{charfield[_PATTERN_FIELD_SIZE]; }; Remarks The enumerationpartdescribes the possible values in elements of the array field in the structure patte...
Years ago (circa 2008?) Microsoft published the original C++ class and a sample service project that was once available at https://code.msdn.microsoft.com/windowsapps/CppWindowsService-cacf4948 This project is an attempt to improve on that original example in the areas of security, usability, ...
The C++ Standard has only a handful of requirements regarding how a class is laid out in memory, one of which is that the size of a most derived object shall have a non-zero size and shall occupy one or more bytes of storage. Because this requirement only extends to most derived ob...
// ios_base_register_callback.cpp // compile with: /EHsc #include <iostream> #include <fstream> using namespace std; void callback1( ios_base::event e, ios_base& stream, int arg ) { cout << "in callback1" << endl; switch ( e ) { case ios_base::erase_event: cout << "an...
Note that there are two Queue subobjects in the LunchCashierQueue object. The following code declares Queue to be a virtual base class: 复制 // deriv_VirtualBaseClasses.cpp // compile with: /LD class Queue {}; class CashierQueue : virtual public Queue {}; class LunchQueue : virtual publ...
// ios_base_register_callback.cpp // compile with: /EHsc #include <iostream> #include <fstream> using namespace std; void callback1( ios_base::event e, ios_base& stream, int arg ) { cout << "in callback1" << endl; switch ( e ) { case ios_base::erase_event: cout << "an...
class D : public B1, public B2 { public: int i; }; int main() { D dobj; D *dptr = &dobj; dptr->i = 5; // dptr->j = 10; dptr->B1::j = 10; // dobj.g(); dobj.B2::g(); } The statementdptr->j = 10is ambiguous because the namejappears both inB1andB2. The...
() template<class charT, class traits> const int mystream<charT, traits>::xindex = std::ios_base::xalloc(); // This I/O manipulator will be able to recognize ostreams that are mystreams // by looking up the pointer stored in pword template<class charT, class traits> std::basic_...
代码语言:txt 复制 © cppreference.com 在CreativeCommonsAttribution下授权-ShareAlike未移植许可v3.0。 http://en.cppreference.com/w/cpp/io/IOS[医]基/pword 本文档系腾讯云开发者社区成员共同维护,如有问题请联系 cloudcommunity@tencent.com最后更新于:2017-12-18 ...