Office Open XML uses OPC to store documents. Here's how to use packages for your own purposes.
by Rich Quackenbush
March 20, 2009
et's say you've been tasked with writing an application that stores some related information, such as an album of pictures. You also need to store some metadata about each picture.
One traditional way to store is to use a directory of files. This approach is simple, but opens the door to the files getting out of sync. For example, someone might inadvertently delete either a picture without deleting the associated metadata file, or vice versa. Also, when sharing this data, all the data needs to be put together (often in a zip file). Finally, such an application would be completely custom—you would be able to share the pictures and associated metadata only by publishing the exact data format so others could write programs that read and write the same format.
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et's say you've been tasked with writing an application that stores some related information, such as an album of pictures. You also need to store some metadata about each picture.
