各大神好,下面是我创建的字符串二维数组:
SAFEARRAYBOUND Bound[2];
Bound[0].lLbound=0;
Bound[0].cElements=2;
Bound[1].lLbound=0;
Bound[1].cElements=3;
SAFEARRAY* pArray=SafeArrayCreate(VT_BSTR,2,Bound);
CString strInfos[3][3];
strInfos[0][0] = "0001";
strInfos[0][1] = "1";
strInfos[0][2] = "1";
strInfos[1][0] = "0002";
strInfos[1][1] = "2";
strInfos[1][2] = "2";
long Demen[2];
for(long i=0;i<2;++i)
{
for(long j=0;j<3;++j)
{
Demen[1]=i;
Demen[0]=j;
BSTR bstrText = strInfos[i][j].AllocSysString();
SafeArrayPutElement(pArray,Demen,&bstrText);
SysFreeString(bstrText);
}
}
VARIANT info;
VariantInit(&info);
info.vt = VT_ARRAY|VT_BSTR;
info.parray = pArray;
return info;
创建完成后读取
BSTR strInfo;
long lDimension[2];
lDimension[1]=1;//行
lDimension[0]=1;//列
SafeArrayGetElement(info.parray,lDimension,&strInfo);
怎么获取不到1行1列的信息呢? 是我创建的有问题 还是我读取的有问题?