Empties the Recycle Bin on the specified drive
#include <WinAPIShellEx.au3>
_WinAPI_ShellEmptyRecycleBin ( [$sRoot = '' [, $iFlags = 0 [, $hParent = 0]]] )
| $sRoot | [optional] The string that contains the path of the root drive on which the Recycle Bin is located. This string can be formatted with the drive, folder, and subfolder names, for example "c:\windows\system\". If this parameter is empty string (Default), all Recycle Bins on all drives will be emptied. |
| $iFlags | [optional] This parameter can be one or more of the following values. $SHERB_NOCONFIRMATION $SHERB_NOPROGRESSUI $SHERB_NOSOUND $SHERB_NO_UI |
| $hParent | [optional] Handle to the parent window of any dialog boxes that might be displayed during the operation. |
| Success: | 1. |
| Failure: | 0 and sets the @error flag to non-zero, @extended flag may contain the HRESULT error code. |
Search SHEmptyRecycleBin in MSDN Library.