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[wxWidgets.git] / docs / latex / wx / dir.tex

%
% automatically generated by HelpGen from
% include\wx\dir.h at 11/Dec/99 00:55:30
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\section{\class{wxDir}}\label{wxdir}

wxDir is a portable equivalent of Unix {open/read/close}dir functions which
allow enumerating of the files in a directory. wxDir allows enumerate files as
well as directories.

Example of use:

\begin{verbatim}
    wxDir dir(wxGetCwd());

    if ( !dir.IsOpened() )
    {
        // deal with the error here - wxDir would already log an error message
        // explaining the exact reason of the failure
        return;
    }

    puts("Enumerating object files in current directory:");

    wxString filename;

    bool cont = dir.GetFirst(&filename, filespec, flags);
    while ( cont )
    {
        printf("%s\n", filename.c_str());

        cont = dir.GetNext(&filename);
    }
\end{verbatim}

\wxheading{Derived from}

No base class

\wxheading{Constants}

These flags define what kind of filenames is included in the list of files
enumerated by GetFirst/GetNext

{\small
\begin{verbatim}
enum
{
    wxDIR_FILES     = 0x0001,       // include files
    wxDIR_DIRS      = 0x0002,       // include directories
    wxDIR_HIDDEN    = 0x0004,       // include hidden files
    wxDIR_DOTDOT    = 0x0008,       // include '.' and '..'

    // by default, enumerate everything except '.' and '..'
    wxDIR_DEFAULT   = wxDIR_FILES | wxDIR_DIRS | wxDIR_HIDDEN
}
\end{verbatim}
}

\wxheading{Include files}

<wx/dir.h>

\latexignore{\rtfignore{\wxheading{Members}}}

\membersection{wxDir::Exists}\label{wxdirexists}

\func{static bool}{Exists}{\param{const wxString\& }{dir}}

Test for existence of a directory with the given name

\membersection{wxDir::wxDir}\label{wxdirwxdir}

\func{}{wxDir}{\void}

Default constructor, use \helpref{Open()}{wxdiropen} afterwards.

\func{}{wxDir}{\param{const wxString\& }{dir}}

Opens the directory for enumeration, use \helpref{IsOpened()}{wxdirisopened} 
to test for errors.

\membersection{wxDir::\destruct{wxDir}}\label{wxdirdtor}

\func{}{\destruct{wxDir}}{\void}

Destructor cleans up the associated ressources. It is not virtual and so this
class is not meant to be used polymorphically.

\membersection{wxDir::Open}\label{wxdiropen}

\func{bool}{Open}{\param{const wxString\& }{dir}}

Open the directory for enumerating, returns TRUE on success or FALSE if an
error occured.

\membersection{wxDir::IsOpened}\label{wxdirisopened}

\constfunc{bool}{IsOpened}{\void}

Returns TRUE if the directory was successfully opened by a previous call to 
\helpref{Open}{wxdiropen}.

\membersection{wxDir::GetFirst}\label{wxdirgetfirst}

\constfunc{bool}{GetFirst}{\param{wxString* }{filename}, \param{const wxString\& }{filespec = wxEmptyString}, \param{int }{flags = wxDIR\_DEFAULT}}

Start enumerating all files matching {\it filespec} (or all files if it is
empty) and flags, return TRUE on success.

\membersection{wxDir::GetNext}\label{wxdirgetnext}

\constfunc{bool}{GetNext}{\param{wxString* }{filename}}

Continue enumerating files satisfying the criteria specified by the last call
to \helpref{GetFirst}{wxdirgetfirst}.