Index: trunk/Include/Classes/System/IO/StreamWriter.ab
===================================================================
--- trunk/Include/Classes/System/IO/StreamWriter.ab	(revision 469)
+++ trunk/Include/Classes/System/IO/StreamWriter.ab	(revision 470)
@@ -86,4 +86,8 @@
 	Override Sub Dispose(disposing As Boolean)
 		If disposing Then
+			Dim len = buf.Length
+			If len > 0 Then
+				s.Write(StrPtr(buf) As *Byte, 0, len)
+			End If
 			s.Dispose()
 		End If