SafeArrayGetDim (Compact 2013)

项目
11/04/2015

3/26/2014

This function retrieves the number of dimensions in the array.

Syntax

HRESULT SafeArrayGetDim( 
  SAFEARRAY FAR* psa 
);

Parameters

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

Return Value

Returns an HRESULT value.

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

Header	oleauto.h
Library	oleaut32.lib

通过