Change return type of wxList::Member() to bool.

[wxWidgets.git] / interface / wx / file.h

diff --git a/interface/wx/file.h b/interface/wx/file.h
index bc1fc1501668652d8c059b188eed776a7d5edbd7..10efe6534d54453d2b182b4188e704fc22d44af7 100644 (file)
--- a/interface/wx/file.h
+++ b/interface/wx/file.h
@@ -102,6 +102,8 @@ class wxTempFile
 public:
     /**
         Associates wxTempFile with the file to be replaced and opens it.
+
+        @warning
         You should use IsOpened() to verify that the constructor succeeded.
     */
     wxTempFile(const wxString& strName);
@@ -127,6 +129,18 @@ public:
     */
     void Discard();
 
+    /**
+        Flush the data written to the file to disk.
+
+        This simply calls wxFile::Flush() for the underlying file and may be
+        necessary with file systems such as XFS and Ext4 under Linux. Calling
+        this function may however have serious performance implications and
+        also is not necessary with many other file systems so it is not done by
+        default -- but you can call it before calling Commit() to absolutely
+        ensure that the data was indeed written to the disk correctly.
+     */
+    bool Flush();
+
     /**
         Returns @true if the file was successfully opened.
     */
@@ -135,7 +149,7 @@ public:
     /**
         Returns the length of the file.
 
-        This method may return wxInvalidOffset if the length couldn't be
+        This method may return ::wxInvalidOffset if the length couldn't be
         determined or 0 even for non-empty files if the file is not seekable.
 
         In general, the only way to determine if the file for which this function
@@ -160,7 +174,7 @@ public:
                       wxSeekMode mode = wxFromStart);
 
     /**
-        Returns the current position or wxInvalidOffset if file is not opened or
+        Returns the current position or ::wxInvalidOffset if file is not opened or
         if another error occurred.
     */
     wxFileOffset Tell() const;
@@ -248,6 +262,9 @@ public:
             The filename.
         @param mode
             The mode in which to open the file.
+
+        @warning
+        You should use IsOpened() to verify that the constructor succeeded.
     */
     wxFile(const wxString& filename,
            wxFile::OpenMode mode = wxFile::read);
@@ -365,7 +382,7 @@ public:
         @param mode
             The mode in which to open the file.
         @param access
-            An OR-combination of wxPosixPermissions enumeration values.
+            An OR-combination of ::wxPosixPermissions enumeration values.
     */
     bool Open(const wxString& filename, wxFile::OpenMode mode = wxFile::read,
               int access = wxS_DEFAULT);
@@ -378,7 +395,7 @@ public:
         @param count
            Bytes to read
 
-        @return The number of bytes read, or the symbol wxInvalidOffset.
+        @return The number of bytes read, or the symbol ::wxInvalidOffset.
     */
     ssize_t Read(void* buffer, size_t count);
 
@@ -390,7 +407,7 @@ public:
         @param mode
             One of wxFromStart, wxFromEnd, wxFromCurrent.
 
-        @return The actual offset position achieved, or wxInvalidOffset on
+        @return The actual offset position achieved, or ::wxInvalidOffset on
                 failure.
     */
     wxFileOffset Seek(wxFileOffset ofs,
@@ -404,13 +421,13 @@ public:
         @param ofs
             Number of bytes before the end of the file.
 
-        @return The actual offset position achieved, or wxInvalidOffset on
+        @return The actual offset position achieved, or ::wxInvalidOffset on
                 failure.
     */
     wxFileOffset SeekEnd(wxFileOffset ofs = 0);
 
     /**
-        Returns the current position or wxInvalidOffset if file is not opened or
+        Returns the current position or ::wxInvalidOffset if file is not opened or
         if another error occurred.
     */
     wxFileOffset Tell() const;