IPB_Session interface:
GetBlob method
Description
Returns a pointer to the data buffer for a blob.
Syntax
GetBlob(pbblob bin)Argument |
Description |
|---|---|
bin |
A pointer to the source buffer |
Return Values
void*.
Examples
In this CASE clause, the value returned from GetBlob is cast to the LPCTSTR variable pStr. If it is not null, the return value in the PBCallInfo structure is set to the value of the blob:
case pbvalue_blob:
pStr = (LPCTSTR)Session-> GetBlob(retVal.blob_val);
if (strncmp(pStr, "null", 4)==0 )
ci -> returnValue ->SetToNull();
else
{
ci -> returnValue->SetBlob(retVal.blob_val);
Session -> ReleaseValue(retVal);
}
break;