make RollingFileAppender.RollFile virtual

FreeAndNil · FreeAndNil · commit b7a816f0ef9b · 2025-03-28T19:41:39.000+01:00
fixes #234
diff --git a/src/log4net/Appender/RollingFileAppender.cs b/src/log4net/Appender/RollingFileAppender.cs
@@ -1112,7 +1112,7 @@ protected void RollOverTime(bool fileIsOpen)
   /// also checks for existence of target file and deletes if it does.
   /// </para>
   /// </remarks>
-  protected void RollFile(string fromFile, string toFile)
+  protected virtual void RollFile(string fromFile, string toFile)
   {
     if (FileExists(fromFile))
     {

Original file line number	Diff line number	Diff line change
`@@ -1112,7 +1112,7 @@ protected void RollOverTime(bool fileIsOpen)`
`1112`	`1112`	`/// also checks for existence of target file and deletes if it does.`
`1113`	`1113`	`/// </para>`
`1114`	`1114`	`/// </remarks>`
`1115`		`- protected void RollFile(string fromFile, string toFile)`
	`1115`	`+ protected virtual void RollFile(string fromFile, string toFile)`
`1116`	`1116`	`{`
`1117`	`1117`	`if (FileExists(fromFile))`
`1118`	`1118`	`{`