I'm trying under windows7, ImageMagick-6.7.3-Q16, to read the first page of a pdf.
So :
ret = MagickReadImage(mw, "qt-vs-java-whitepaper.pdf[0]");
Gives me "unknown 32 no decode delegate for this image format `qt-vs-java-whitepaper.pdf[0]' @ error/constitute.c/ReadImage/532"
note:
I tried under cmd.exe :
convert convert qt-vs-java-whitepaper.pdf[0] ooo.jpg
and get
Magick: unable to open image `qt-vs-java-whitepaper.pdf[0]': No such file or directory @ error/blob.c/OpenBlob/2589.
Of course without [0] everything works fine, but all the pdf is parsed

Where my mistake ?
Could you help me please ?