lcEntXData

Allocates extra data buffer inside of entity.

BOOL lcEntXData (
   HANDLE hEntity,
   int Id,
   int Flags,
   int nBytes
);

Parameters

hEntity
	Handle to a graphic object.
Id
	Application specific identifier of the extra data (entity property LC_PROP_ENT_XDATAID). The value varies from 0 to 10'000
Flags
	Application specific flags (entity property LC_PROP_ENT_XDATAFLAGS)
nBytes
	Size of data buffer, in bytes (entity property LC_PROP_ENT_XDATASIZE)

Return Value

If the function succeeds, the return value is nonzero (TRUE).

Remarks

After buffer is allocated, you can get its memory pointer by LC_PROP_ENT_XDATA, and read/write the data using this pointer.