IPXS_PDFVariant::Arr_GetStringR Method
From PDF XChange PDF SDK
The Returns the value of a specified element of an array as array of bytes (raw data from PDF). If specified element type is not PVT_String
or index is out of range function return S_FALSE
and Len
is set to 0 (zero).
Syntax
HRESULT Arr_GetStringR([in] ULONG Index, [out] UCHAR* Buf, [in] ULONG BufLen, [out] ULONG* Len);
Parameters
- Index
- [in] Specifies the index of the array element.
- Buf
- [out] Pointer to UCHAR buffer, to which string data will be copied. If it is
NULL
no data copying required andLen
will receive size of raw data. If both of these pointers areNULL
function will returnE_INVALIDARG
. - BufLen
- [in] Specify maximum size of raw data to be copied.
- Len
- [out] Pointer to variable which receive raw data size (always, even when function copy some data into buffer with truncation).
Return Value
Returns S_OK if operation was successful or error code in other cases.