CxImage存储多页Tif的问题

//... create a multipage TIFF
CxImage *pimage[3];
pimage[0]=&image1;
pimage[1]=&image2;
pimage[2]=&image3;FILE* hFile;
hFile = fopen("multipage.tif","w+b");CxImageTIF multiimage;
multiimage.Encode(hFile,pimage,3);fclose(hFile);//orFILE* hFile;
hFile = fopen("c:\\multi.tif","w+b");CxImageTIF image;
image.Load("c:\\1.tif",CXIMAGE_FORMAT_TIF);
image.Encode(hFile,true);
image.Load("c:\\2.bmp",CXIMAGE_FORMAT_BMP);
image.Encode(hFile,true);
image.Load("c:\\3.png",CXIMAGE_FORMAT_PNG);
image.Encode(hFile);fclose(hFile);