SafeArrayGetDim

项目
06/30/2006

This function returns the number of dimensions in the array.

HRESULT SafeArrayGetDim( 
  SAFEARRAY FAR* psa 
);

Parameters

psa
[in] Pointer to an array descriptor created by SafeArrayCreate.

Return Values

This function returns the number of dimensions in the array.

Remarks

Passing invalid (and under some circumstances NULL) pointers to this function causes an 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.
  if(SafeArrayGetDim(psa) != 1)
    return ReportResult(0, E_INVALIDARG, 0, 0);

  // Code omitted here for brevity.

}

Requirements

OS Versions: Windows CE 2.0 and later.
Header: Oleauto.h.
Link Library: Oleaut32.lib.

通过