Important:
This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.
A version of this page is also available for
4/8/2010

This function allocates memory for a safearray, based on a descriptor created with SafeArrayAllocDescriptor.

Syntax 

HRESULT SafeArrayAllocData(
  SAFEARRAY FAR* 
psa 
);

Parameters

psa

[in] Pointer to an array descriptor created by SafeArrayAllocDescriptor.

Return Value

Returns the HRESULT values shown in the following table.

Value Description

S_OK

Success.

E_INVALIDARG

The psaparameter was not a valid safearray descriptor.

E_UNEXPECTED

The array could not be locked.

Remarks

Passing invalid (and under some circumstances NULL) pointers to this function causes an unexpected termination of the application.

Example

The following code example creates a safearray using the SafeArrayAllocDescriptorand SafeArrayAllocDatafunctions.
Copy Code 
SAFEARRAY FAR* FAR*ppsa;
unsigned int ndim = 2;
HRESULT HRESULT = SafeArrayAllocDescriptor(ndim, ppsa);
if( FAILED(hresult))
  return ERR_OutOfMemory;
(*ppsa)->rgsabound[ 0 ].lLbound = 0;
(*ppsa)->rgsabound[ 0 ].cElements = 5;
(*ppsa)->rgsabound[ 1 ].lLbound = 1;
(*ppsa)->rgsabound[ 1 ].cElements = 4;
HRESULT = SafeArrayAllocData(*ppsa);
if( FAILED(hresult)) {
  SafeArrayDestroyDescriptor(*ppsa)
  return ERR_OutOfMemory;
}

Requirements

Header oleauto.h
Library oleaut32.lib
Windows Embedded CE Windows CE 2.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also