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Posted 24 Sep 2012

How to Delete a File or Folder to Recyclebin

, 24 Sep 2012
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How to delete a file or folder to Recyclebin

If we delete file or folder using C# code, it will be deleted from the system permanently. Yesterday, I was searching for a solution which helps me to delete file to recycle bin. There is no direct API* available in .NET which helps me to achieve this. Later, I found an option using SHFileOperation function. And here is the implementation, which helps to delete file or folder to Recyclebin.

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto, Pack = 1)]
public struct SHFILEOPSTRUCT
    public IntPtr hwnd;
    public int wFunc;
    public string pFrom;
    public string pTo;
    public short fFlags;
    public bool fAnyOperationsAborted;
    public IntPtr hNameMappings;
    public string lpszProgressTitle;

[DllImport("shell32.dll", CharSet = CharSet.Auto)]
public static extern int SHFileOperation(ref SHFILEOPSTRUCT FileOp);

public const int FO_DELETE = 3;
public const int FOF_ALLOWUNDO = 0x40;
public const int FOF_NOCONFIRMATION = 0x10; // Don't prompt the user

And you can use this function like this:

var shf = new Win32.SHFILEOPSTRUCT();
shf.wFunc = Win32.FO_DELETE;
shf.fFlags = Win32.FOF_ALLOWUNDO;
shf.pFrom = @"c:\myfile.txt" + '\0' + '\0';
Win32.SHFileOperation(ref shf);

The pFrom parameter can be either file or folder.

Happy programming! :)

* This is not 100% true. We can do this by using Microsoft.VisualBasic namespace. And here is the implementation.

using Microsoft.VisualBasic;

string path = @"c:\myfile.txt";

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


About the Author

Anuraj Parameswaran
Technical Lead
India India
Working as Tech. Lead

My blog :
You can follow me in twitter : @anuraj

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