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.
}