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Programming Windows®, Fifth Edition by Charles Petzold

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Enhanced Metafiles

The "enhanced metafile" format was introduced in the 32-bit versions of Windows. It involves a bunch of new function calls, a couple of new data structures, a new clipboard format, and a new filename extension of .EMF.

The most important enhancement is that the new metafile format includes more extensive header information accessible through a function call. This information aids in helping an application display the metafile image.

Some of the enhanced metafile functions allow you to translate back and forth between the enhanced metafile (EMF) format and the old metafile format, which is also called the Windows metafile (WMF) format. Of course, this conversion may not proceed without hitches because the old metafile format does ...

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