log4net SDK Reference |

# RollingFileAppender Methods

The methods of the RollingFileAppender class are listed below. For a complete list of RollingFileAppender class members, see the RollingFileAppender Members topic.

#### Public Instance Methods

ActivateOptions | Initialize the appender based on the options set
AddFilter (inherited from AppenderSkeleton) | Adds a filter to the end of the filter chain.
ClearFilters (inherited from AppenderSkeleton) | Clears the filter list for this appender.
Close (inherited from AppenderSkeleton) | Closes the appender and release resources.
DoAppend (inherited from AppenderSkeleton) | Overloaded. Performs threshold checks and invokes filters before delegating actual logging to the subclasses specific Append method.
Equals (inherited from Object) | Determines whether the specified Object is equal to the current Object.
GetHashCode (inherited from Object) | Serves as a hash function for a particular type, suitable for use in hashing algorithms and data structures like a hash table.
GetType (inherited from Object) | Gets the Type of the current instance.
ToString (inherited from Object) | Returns a String that represents the current Object.

#### Protected Instance Methods

AdjustFileBeforeAppend | Performs any required rolling before outputting the next event
Append | Overloaded. Write out an array of logging events.
CloseFile (inherited from FileAppender) | Closes the previously opened file.
CloseWriter (inherited from FileAppender) | Closes the underlying TextWriter.
DeleteFile | Deletes the specified file if it exists.
ExistingInit | Initializes based on existing conditions at time of ActivateOptions.
FileExists | Test if a file exists at a specified path
FilterEvent (inherited from AppenderSkeleton) | Test if the logging event should we output by this appender
Finalize (inherited from AppenderSkeleton) | Finalizes this appender by calling the implementation's Close method.
GetNextOutputFileName | Get the current output file name
IsAsSevereAsThreshold (inherited from AppenderSkeleton) | Checks if the message level is below this appender's threshold.
MemberwiseClone (inherited from Object) | Creates a shallow copy of the current Object.
NextCheckDate | Get the start time of the next window for the current rollpoint
OnClose (inherited from TextWriterAppender) | Close this appender instance. The underlying stream or writer is also closed.
OpenFile | Creates and opens the file for logging. If StaticLogFileName is false then the fully qualified name is determined and used.
PreAppendCheck (inherited from TextWriterAppender) | This method determines if there is a sense in attempting to append.
PrepareWriter (inherited from FileAppender) | Called to initialize the file writer
RenderLoggingEvent (inherited from AppenderSkeleton) | Overloaded. Renders the LoggingEvent to a string.
Reset (inherited from FileAppender) | Closes any previously opened file and calls the parent's Reset.
RollFile | Renames file fromFile to file toFile.
RollOverRenameFiles | Implements file roll.
RollOverSize | Implements file roll base on file size.
RollOverTime | Rollover the file(s) to date/time tagged file(s).
SafeOpenFile (inherited from FileAppender) | Sets and opens the file where the log output will go. The specified file must be writable.
SetQWForFiles | Overloaded. Sets the quiet writer being used.
SetQWForFiles (inherited from FileAppender) | Overloaded. Sets the quiet writer being used.
WriteFooter (inherited from FileAppender) | Writes a footer as produced by the embedded layout's Footer property.
WriteFooterAndCloseWriter (inherited from TextWriterAppender) | Writes the footer and closes the underlying TextWriter.
WriteHeader (inherited from FileAppender) | Writes a header produced by the embedded layout's Header property.

#### See Also

RollingFileAppender Class | log4net.Appender Namespace