pointer const std::filesystem::directory_entry* reference const std::filesystem::directory_entry& iterator_category std::input_iterator_tag 成员函数 (constructor) constructs a directory iterator (public member function) (destructor) default destructor (public member function) ...
pointer const std::filesystem::directory_entry* reference const std::filesystem::directory_entry& iterator_category std::input_iterator_tag 成员函数 (constructor) constructs a recursive directory iterator (public member function) (destructor)
Initial File Pointer Position at: 34 After seekp(-1, ios::cur),File Pointer Position at: 33 After seekg(5, ios::beg), File Pointer at: 5 After seekg(1, ios::cur), File Pointer at: 6 As shown in the above program, we have a file created in which we write a line of text. T...
[out, optional] lpNewFilePointer 要接收新檔案指標之變數的指標。 如果此參數為NULL,則不會傳回新的檔案指標。 [in] dwMoveMethod 檔案指標移動的起點。 此參數可以是下列其中一個值。 值意義 FILE_BEGIN 0 起點為零或檔案的開頭。 如果指定這個旗標,liDistanceToMove參數會解譯為不帶正負號的值。
cpp BOOLSetFilePointerEx( [in] HANDLE hFile, [in] LARGE_INTEGER liDistanceToMove, [out, optional] PLARGE_INTEGER lpNewFilePointer, [in] DWORD dwMoveMethod ); 参数 [in] hFile 文件的句柄。 文件句柄必须已使用GENERIC_READ或GENERIC_WRITE访问权限创建。 有关详细信息,请参阅文件安全性和访问权限。
false- if the file pointer doesn't point to the end of the file For example, // variable to store file contentstringline;// loop until the end of the filewhile(!my_file.eof()) {// store the current line of the file// in the "line" variablegetline(my_file, line);// print the...
Allows to observe its value via a pointer expected: Allows to observe its value via a pointer to constant expected: Allows to modify its value via a pointer expected: Allows to observe its value via a l-value reference expected: Allows to observe its value via a r-value reference expected...
// Input file pointer (g for get) istream & seekg (streampos pos); // absolute position relative to beginning istream & seekg (streamoff offset, ios::seekdir way); // with offset (positive or negative) relative to seekdir: // ios::beg (beginning), ios::cur (current), ios::end (...
T *any_cast<T>( any * )pointer to obtained value Swapvoidswap( any & x, any & y )exchange contents If the compiler supports__has_include(),any litesupports thetweak headermechanism. Provide yourtweak headerasnonstd/any.tweak.hppin a folder in the include-search-path. In the tweak hea...
[in] Pointer to the file name. The pszFilename parameter can be null; it instructs the object to save using its current file. If the object is in the untitled state and null is passed as the pszFilename, the object returns E_INVALIDARG. You must specify a valid file name parameter...