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Folder Size Information in the Windows Explorer Details View

, 18 Aug 2010 CPOL
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This code displays the folder size information in the Explorer's Details view.
Sample Image - DirSize.jpg

Introduction

In day to day life, when one wants to know the size of a folder, (s)he has to right click on the folder name and has to choose the Properties. Using this DLL, one can view the folder size as one of the columns of the Explorer as shown in the image. We also have the facility to sort according to the folder size. (I did not do anything to sort, it is done by Explorer. Smile | :) )

This class implements the Shell interface called IColumnProvider. Using this interface, one can customize the Explorer's Details view. This class adds one more column to the Details view, which displays the consolidated folder size.

To build this project, you must install Microsoft Platform SDK, or click here [53.5 KB] to download SHLOBJ.h.

How to Use the DLL

Well, if you build the project, you need not do anything, since the IDE automatically registers the DLL. If demo project is downloaded, then unzip the DLL and register it using the command "regsvr32 <Path of the unzipped DLL>". E.g., Regsvr32 c:\DirSize.DLL, if the DLL is present in C:.

Scope for Further Improvements

This code can be modified to display the number of files/folders in the folder. Or maybe, you can pack two more classes to display columns for number of files and number of folders into the same DLL to do so.

Performance Issues

When the user selects the "Folder Size" item from the Explorer context menu, the Explorer starts calculating the folder size by traversing all the files and nested folders. First time, it might take some minutes depending upon the contents of the folder. But all the operations are done in the background (Explorer is smart enough!.. Ehh). So this won't stop you from traversing through other files.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Sharan Basappa
Team Leader
India India
He is a graduate, currently working as a Software Engineer in Bangalore, India. You can reach him at sharan34@yahoo.com

Comments and Discussions

 
Questiongood code PinmemberMember 102766608-Apr-14 0:40 
GeneralMy vote of 5 PinmvpMichael Haephrati מיכאל האפרתי20-Feb-13 6:07 
QuestionFolder Size working but Ascending and Descending order not working! PinmemberAniljpatil2-Dec-11 22:56 
QuestionThanks! - Folder Size is what I was looking for. Pinmemberww dd19-Oct-11 7:29 
GeneralGood Job! Pinmemberomzig2-Sep-11 7:03 
Questionadd a column for file/path length in windows explorer PinmemberMember 435848925-Aug-11 12:32 
GeneralMany Thanks!!! PinmemberMember 791160310-May-11 3:14 
GeneralNew DLL uploaded PinmemberSharan Basappa18-Aug-10 18:55 
GeneralBoth downloads contain the DirSize.dll but no code PinmemberThomas Schedl16-Aug-10 23:50 
GeneralRe: Both downloads contain the DirSize.dll but no code PinmemberSharan Basappa17-Aug-10 3:01 
GeneralNew DLL to show SIZE in MBs KBs and Bytes and number of Files and folders is uploaded. PinmemberSharan Basappa15-Aug-10 21:19 
GeneralGreat code doesn't work on XP x64 Pinmemberdband12-Apr-09 20:32 
QuestionHow to get Foldersize? Pinmembertallapareddy23-Jul-08 21:42 
AnswerRe: How to get Foldersize? Pinmember9ijnbhu87ygv14-Jun-09 1:35 
Questionleft click /selection on the file / folder for the path Pinmembertechbie2-Aug-07 1:51 
GeneralUsing Scripting.FileSystemObject Pinmemberclharidon6-Jun-07 0:54 
QuestionVista support? Pinmemberjordanbowness5-Mar-07 8:34 
AnswerRe: Vista support? Pinmemberalpdoruk20-Mar-07 21:49 
GeneralRe: Vista support? PinmemberVikrant for VC++2-Apr-07 0:33 
GeneralRe: Vista support? Pinmemberyarp12-Apr-07 22:03 
AnswerRe: Vista support? Pinmemberm78787816-Nov-07 7:40 
GeneralFolder size in MB PinmemberKala Kasba30-Nov-06 8:33 
GeneralFor newbies Pinmemberezekiel6544-May-05 9:55 
GeneralRe: For newbies Pinmemberpinkmoon30-Jun-05 12:21 
GeneralRe: For newbies PinsussBrio133730-Jun-05 14:25 

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