SafeArrayLock

psa)
SAFEARRAY FAR* psa

Increments the lock count of an array and places a pointer to the array data in pvData of the array descriptor.

Parameters

psa

Pointer to an array descriptor created by SafeArrayCreate.

Comments

The pointer in the array descriptor is valid until SafeArrayUnlock is called. Calls to SafeArrayLock can be nested; an equal number of calls to SafeArrayUnlock are required.

An array can't be deleted while it is locked.

Return Value

The SCODE obtained from the returned HRESULT is one of the following:

SCODE	Meaning
S_OK	Success.
E_INVALIDARG	The argument psa was not a valid safe array descriptor.
E_UNEXPECTED	The array could not be locked.

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