public DownloadCallBack(IIPSMobileDownloadCallbackInterface CBImp)
{
IntPtr callback = GCHandle.ToIntPtr(GCHandle.Alloc(CBImp, 2));
this.errFunc = new DownloadCallBack.OnDownloadErrorFunc(DownloadCallBack.OnDownloadError);
this.succFunc = new DownloadCallBack.OnDownloadSuccessFunc(DownloadCallBack.OnDownloadSuccess);
this.progressFunc = new DownloadCallBack.OnDownloadProgressFunc(DownloadCallBack.OnDownloadProgress);
this.mCallBack = DownloadCallBack.CreateDownlaodMgrCallBack(this.errFunc, this.succFunc, this.progressFunc, callback);
}
private static extern IntPtr CreateDownlaodMgrCallBack(DownloadCallBack.OnDownloadErrorFunc onDownloadError, DownloadCallBack.OnDownloadSuccessFunc onDownloadSuccess, DownloadCallBack.OnDownloadProgressFunc onDownloadProgress, IntPtr callback);