ProjFS functions

The following functions are declared in projectedfslib.h.

In this section

Topic	Description
PrjAllocateAlignedBuffer	Allocates a buffer that meets the memory alignment requirements of the virtualization instance's storage device.
PrjClearNegativePathCache	Purges the virtualization instance's negative path cache, if it is active.
PrjCompleteCommand	Indicates that the provider has completed processing a callback from which it had previously returned HRESULT_FROM_WIN32(ERROR_IO_PENDING).
PrjDeleteFile	Enables a provider to delete an item that has been cached on the local file system.
PrjDoesNameContainWildCards	Determines whether a name contains wildcard characters.
PrjFileNameCompare	Compares two file names and returns a value that indicates their relative collation order.
PrjFileNameMatch	Determines whether a file name matches a search pattern.
PrjFillDirEntryBuffer	Provides information for one file or directory to an enumeration.
PrjFillDirEntryBuffer2	Provides information for one file or directory to an enumeration and allows the caller to specify extended information.
PrjFreeAlignedBuffer	Frees an allocated buffer.
PrjGetOnDiskFileState	Gets the on-disk file state for a file or directory.
PrjGetVirtualizationInstanceInfo	Retrieves information about the virtualization instance.
PrjMarkDirectoryAsPlaceholder	Converts an existing directory to a directory placeholder.
PrjStartVirtualizing	Configures a ProjFS virtualization instance and starts it, making it available to service I/O and invoke callbacks on the provider.
PrjStopVirtualizing	Stops a running ProjFS virtualization instance, making it unavailable to service I/O or involve callbacks on the provider.
PrjUpdateFileIfNeeded	Enables a provider to update an item that has been cached on the local file system.
PrjWriteFileData	Sends file contents to ProjFS.
PrjWritePlaceholderInfo	Sends file or directory metadata to ProjFS.
PrjWritePlaceholderInfo2	Sends file or directory metadata to ProjFS and allows the caller to specify extended information.