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added and documented wxDir::HasFiles/SubDirs(), use the latter in wxDirDialog - it is several orders of magniture faster than wxFindFirstFile!

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11161 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2001-07-23 13:28:39 +00:00
parent 8f99a08fc0
commit d9ff0f91fb
3 changed files with 37 additions and 24 deletions
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16
docs/latex/wx/dir.tex
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@@ -126,6 +126,22 @@ empty) and flags, return TRUE on success.
Continue enumerating files satisfying the criteria specified by the last call
to \helpref{GetFirst}{wxdirgetfirst}.
\membersection{wxDir::HasFiles}\label{wxdirhasfiles}
\func{bool}{HasFiles}{\param{const wxString& }{filespec = wxEmptyString}}
Returns {\tt TRUE} if the directory contains any files matching the given
{\it filespec}. If {\it filespec} is empty, look for any files at all. In any
case, even hidden files are taken into account.
\membersection{wxDir::HasSubDirs}\label{wxdirhassubdirs}
\func{bool}{HasSubDirs}{\param{const wxString& }{dirspec = wxEmptyString}}
Returns {\tt TRUE} if the directory contains any subdirectories (if a non
empty {\it filespec} is given, only check for directories matching it).
The hidden subdirectories are taken into account as well.
\membersection{wxDir::Traverse}\label{wxdirtraverse}
\func{size\_t}{Traverse}{\param{wxDirTraverser& }{sink}, \param{const wxString& }{filespec = wxEmptyString}, \param{int }{flags = wxDIR\_DEFAULT}}