ImageGear Professional DLL v17.1 for Windows Accusoft
Inquiring Format Filters for Supported Features
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ImageGear Professional DLL v17.1 for Windows > User Guide > Using ImageGear > Loading and Saving Images > Format Filter Utility Functions > Inquiring Format Filters for Supported Features

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Each format filter has its own list of supported features determined by IG_FLTR_ flags. The table below describes the meaning of each of these flags:

IG_FLTR_DETECTSUPPORT Supports auto-detection.
IG_FLTR_PAGEREADSUPPORT Supports reading a single page file.
IG_FLTR_MPAGEREADPSUPPORT Supports reading a multi-page file.
IG_FLTR_PAGEINSERTSUPPORT Supports writing a single-page file.
IG_FLTR_MPAGEWRITEPSUPPORT Supports writing multi-page file.
IG_FLTR_PAGEDELETESUPPORT Supports deleting a page from a multi-page file.
IG_FLTR_PAGESWAPSUPPORT Supports page-swapping in multi-page files.
IG_FLTR_MPDATASUPPORT Supports faster multi-page access by storing private format data (used only with IG_mpi_... and IG_mpf_... API).

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