SafeArrayGetLBound

This function returns the lower bound for any dimension of a safe array.

At a Glance

Header file: Oleauto.h
Windows CE versions: 2.0 and later

Syntax

HRESULT SafeArrayGetLBound(SAFEARRAY FAR* psa,
unsigned int nDim, long FAR* plLbound);

Parameters

psa

Pointer to an array descriptor created by SafeArrayCreate.

nDim

Specifies the array dimension for which to get the lower bound.

plLbound

Pointer to the location to return the lower bound.

Return Values

One of the values obtained from the returned HRESULT and described in the following table is returned.

Value Description
S_OK Success.
DISP_E_BADINDEX The specified index is out of bounds.
E_INVALIDARG One of the arguments is invalid.

Remarks

Passing into this function any invalid and, under some circumstances, NULL pointers will result in unexpected termination of the application.

Example

HRESULT
CEnumPoint::Create(SAFEARRAY FAR* psa, CEnumPoint FAR* FAR* ppenum)
{
   long lBound;
   HRESULT hresult;
   CEnumPoint FAR* penum;


   // Verify that the SafeArray is the proper shape.
   HRESULT = SafeArrayGetLBound(psa, 1, &lBound);
   if(FAILED(hresult))
      return hresult;

   // Code omitted here for brevity.


}