CM_EXPANDTREE - Parameters

pRecord (PRECORDCORE)

Pointer to the RECORDCORE structure that is to be expanded.

If this is NULL, all collapsed parent items are expanded.

Note: If the CCS_MINIRECORDCORE style bit is specified when a container is created, then MINIRECORDCORE should be used instead of RECORDCORE and PMINIRECORDCORE should be used instead of PRECORDCORE in all applicable data structures and messages.

ulReserved (ULONG)

Reserved value, should be 0.

rc (BOOL)

Success indicator.

TRUE

The item was successfully expanded.
FALSE
An error occurred. The WinGetLastError function may return the following error:

PMERR_INVALID_PARAMETERS.

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