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<HTML><HEAD><META http-equiv="Content-Type" content="text/html; charset=UTF-8"><TITLE>Perst.IFile</TITLE><LINK REL=STYLESHEET HREF="../CommentReport.css" TYPE="text/css"></HEAD><BODY topmargin=0 rightmargin=0 leftmargin=0 style="background-image: url(../titletile.jpg); background-repeat:repeat-x; background-position: 0 0;" ><DIV CLASS="PageHeading">Perst.IFile Interface</DIV><DIV CLASS="Description"> Interface of file.
Prorgemmer can provide its own impleentation of this interface, adding such features
as support of flash cards, encrypted files,...
Implentation of this interface should throw StorageError exception in case of failure
<P></DIV><IMG src="../GradLeft.jpg" width=7 height=378 alt="" border="0" style="position:absolute; left:10; top:18;z-Index:2"><IMG src="../GradTop.jpg" width=352 height=7 alt="" border="0" align="top" style="position:absolute; left:10; top:18; z-index:1"><DIV CLASS="Remarks"><SPAN CLASS="RemarkHdrX">Access: </SPAN>Public</DIV><TABLE CLASS="InfoTable" cellpadding=0 cellspacing=0><TR height=20><TD width=20> </TD><TD valign=top align=left width=9 bgcolor="#cccc66"><IMG SRC="../graycorner.jpg" align=top></TD><TD CLASS="TableLightLabel" WIDTH=206>Members</TD><TD CLASS="TableLightLabel" >Description</TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP125.HTM" TARGET="CNTFRAME">Write</A></TD><TD CLASS="TableLightDesc"> Write data to the file
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP126.HTM" TARGET="CNTFRAME">Read</A></TD><TD CLASS="TableLightDesc"> Reade data from the file
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP127.HTM" TARGET="CNTFRAME">Sync</A></TD><TD CLASS="TableLightDesc"> Flush all fiels changes to the disk
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP128.HTM" TARGET="CNTFRAME">Lock</A></TD><TD CLASS="TableLightDesc">
Prevent other processes from modifying the file
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP129.HTM" TARGET="CNTFRAME">Close</A></TD><TD CLASS="TableLightDesc"> Close file
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP130.HTM" TARGET="CNTFRAME">NoFlush</A></TD><TD CLASS="TableLightDesc">
Boolean property. Set to <c>true</c> to avoid flushing the stream, or <c>false</c> to flush the stream with every calls to <see cref="Sync"/>
<P></TD><TD width=20> </TD></TR><TR height=20><TD width=20> </TD><TD CLASS="TableLightDesc"> </TD><TD CLASS="TableLightDesc"><A HREF="CWP132.HTM" TARGET="CNTFRAME">Length</A></TD><TD CLASS="TableLightDesc">
Length of the file
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