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Release notes of CallbackFilter 4.1

The main change in CallbackFilter 4.1 is that if you use Minifilter mode, you are required to set Altitude of the mini-filter driver. Here's the list of changes, related to this requirement:

  • InstallDriverEx() method got an extra Altitude parameter
  • FilterMode property can not be set to MinifilterMode if you have not set Altitude before
  • An attempt to read Altitude property can lead to an exception being thrown in the case when the altitude has not been set.
Please also check What's New in this version.

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