代碼如下:
public class LhaUtity
    {
        ///取得DLL的版本
        [DllImport("unlha32")]
        private static extern UInt16 UnlhaGetVersion();

        /// <summary>
        /// '取得DLL的執(zhí)行情況
        /// </summary>
        /// <returns>是否成功</returns>
        [DllImport("unlha32")]
        private static extern  Boolean UnlhaGetRunning();

        /// <summary>
        /// '文件檢查
        /// </summary>
        /// <param name="szFileName"></param>
        /// <param name="iMode"></param>
        /// <returns></returns>
        [DllImport("unlha32")]
        private static extern Boolean UnlhaCheckArchive(String szFileName, Int32 iMode);

        /// <summary>
        /// 文件解壓縮
        /// </summary>
        /// <param name="hwnd"></param>
        /// <param name="szCmdLine"></param>
        /// <param name="szOutput"></param>
        /// <param name="dwSize"></param>
        /// <returns></returns>
        [DllImport("unlha32")]
        private static extern int Unlha(int hwnd, string szCmdLine, string szOutput, int dwSize);

        /// <summary>
        /// 需要解壓的文件
        /// </summary>
        /// <param name="archiveFile">解壓文件路徑</param>
        /// <param name="extractDir">解壓到路徑</param>
        /// <param name="isDeleteFile">是否刪除</param>
        public static bool UnCompress(string archiveFile, string extractDir,bool  isDeleteFile)
        {
            string extractFullPath = string.Empty;