Help Center
/
Help Center›AfxNova›DVARIANT Class

DVARIANT.ToLongArrayAllocmethod

Extracts an array of LONG values from DVARIANT.

COMmethodDVARIANT.INCdocumented

Syntax

FUNCTION ToLongArrayAlloc (BYVAL pprgn AS LONG PTR PTR) AS ULONG

Parameters

NameDescription
pprgnPointer to a LONG PTR variable that will recive a pointer to an array of LONG values extracted from the source DVARIANT.

Return value

The count of LONG elements extracted from the DVARIANT.

Description

Extracts an array of LONG values from DVARIANT.

Remarks

This helper function is used when the calling application expects a DVARIANT to hold an array of LONG values.

If DVARIANT is of type VT_ARRAY OR VT_I4, this function extracts an array of LONG values into a newly allocated array. The calling application is responsible for using CoTaskMemFree to release the array pointed to by pprgn when it is no longer needed.

Reference

  • Include file DVARIANT.INC
  • Defined in AfxNova/DVARIANT.inc:2070
  • Documented in COM/DVARIANT Class.md
  • Topic: DVARIANT Class