using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Runtime.InteropServices;namespace App{ class ClearRecycle {  [DllImportAttribute("shell32.dll")]  private static extern int SHEmptyRecycleBin(IntPtr handle, string root, int falgs);  const int SHERB_NOCONFIRMATION = 0x000001;  const int SHERB_NOPROGRESSUI = 0x000002;  const int SHERB_NOSOUND = 0x000004;  /// <summary>  /// 清空回收站  /// </summary>  /// <param name="tip">是否提示</param>  /// <param name="form">當(dāng)前窗體，一般傳入this</param>  public static void Clear(bool tip, System.Windows.Forms.Form form)  {   System.Windows.Forms.DialogResult result = System.Windows.Forms.DialogResult.No;   if (tip)    result = System.Windows.Forms.MessageBox.Show("確定要清空回收站嗎?", "友情提示", System.Windows.Forms.MessageBoxButtons.YesNo, System.Windows.Forms.MessageBoxIcon.Information);   else    result = System.Windows.Forms.DialogResult.Yes;   if (result == System.Windows.Forms.DialogResult.Yes)   {    SHEmptyRecycleBin(form.Handle, "", SHERB_NOCONFIRMATION + SHERB_NOPROGRESSUI + SHERB_NOSOUND);   }  } }}