CompressPenData

Compresses or decompresses the data in an HPENDATA object.

int CompressPenData( HPENDATA hpndt, UINT fuFlags, DWORD dwReserved )

Parameters
hpndt

Handle to the HPENDATA object.

fuFlags

Specifies whether to compress or decompress the data, as follows:

dwReserved

Must be 0.

Return Value
This function returns one of the following:

Constant	Description
PDR_OK	Successful completion. Redundant operations, such as compressing an HPENDATA object that has already been compressed, are not errors.
PDR_ERROR	Illegal parameter or other error.
PDR_MEMERR	Memory error.
PDR_PNDTERR	Invalid pen data.
PDR_VERSIONERR	Could not convert old pen data.

Comments
This function replaces the the version 1.0 Pen API function CompactPenData, which is supported for compatibility only.

For a discussion of data compression, see "Compressing Pen Data" in Chapter 4, "The Inking Process."

See Also
CompactPenData, TrimPenData

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