private static extern IntPtr XL_CreateTask([In] DownTaskParam stParam);
private static extern object XL_DelTempFile(DownTaskParam stParam);
public static IntPtr CreateTask(DownTaskParam param) { return(XL_CreateTask(param)); }
public static object DelTempFile(DownTaskParam param) { return(XL_DelTempFile(param)); }
public static extern object XL_DelTempFile(DownTaskParam stParam);
public static extern IntPtr XL_CreateTask([In()] DownTaskParam stParam);
public static extern bool XL_DelTempFile(DownTaskParam stParam);
public static extern bool DelTempFile([In()] DownTaskParam param);
public static extern IntPtr CreateTask([In()] DownTaskParam param);