c#实现清理回收站垃圾

/// <summary>
/// 清理回收站垃圾
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, EventArgs e)//按钮事件
{
Clear(true,this);
}

[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">当前窗体，一般传入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("确定要清空回收站吗?", "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);
}
}