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    std::basic_ofstream::is_open

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    <metanoindex/>

     
    C++
     
    Input / Output-Bibliothek
    I / O-Manipulatoren
    C-style I / O
    Puffern
    Original:
    Buffers
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    basic_streambuf
    basic_filebuf
    basic_stringbuf
    strstreambuf(veraltet)
    Streams
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    Streams
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    Abstraktionen
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    Abstractions
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    ios_base
    basic_ios
    basic_istream
    basic_ostream
    basic_iostream
    Datei-I / O
    Original:
    File I/O
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    basic_ifstream
    basic_ofstream
    basic_fstream
    String I / O
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    String I/O
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    basic_istringstream
    basic_ostringstream
    basic_stringstream
    Array I / O
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    Array I/O
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    istrstream(veraltet)
    ostrstream(veraltet)
    strstream(veraltet)
    Types
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    Types
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    streamoff
    streamsize
    fpos
    Fehler Kategorie Schnittstelle
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    Error category interface
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    iostream_category(C++11)
    io_errc(C++11)
     
    std::basic_ofstream
    Member-Funktionen
    Original:
    Member functions
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    basic_ofstream::basic_ofstream
    basic_ofstream::operator=(C++11)
    basic_ofstream::swap(C++11)
    basic_ofstream::rdbuf
    Datei-Operationen
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    File operations
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    basic_ofstream::is_open
    basic_ofstream::open
    basic_ofstream::close
    Non-Member-Funktionen
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    Non-member functions
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    basic_ofstream::swap(std::basic_ofstream)(C++11)
     
    <tbody> </tbody>
    bool is_open() const;
    Prüft, ob die Datei-Stream hat eine zugehörige Datei .
    Original:
    Checks if the file stream has an associated file.
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    Effektiv nennt rdbuf()->is_open() .
    Original:
    Effectively calls rdbuf()->is_open().
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    Parameter

    (None)
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    (none)
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    Rückgabewert

    true, wenn die Datei-Stream eine zugehörige Datei hat, false anders
    Original:
    true if the file stream has an associated file, false otherwise
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    Beispiel

    This section is incomplete
    Reason: no example

    Siehe auch
    öffnet eine Datei und ordnet sie mit dem Strom
    Original:
    opens a file and associates it with the stream
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    (öffentliche Elementfunktion) [edit]
    schließt die zugehörige Datei
    Original:
    closes the associated file
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    (öffentliche Elementfunktion) [edit]