The GetWatermarkText2 method retrieves an existing image watermark properties.
HRESULT GetWatermarkText2(
[ in ] LONG p_nIndex,
[ out, string ] BSTR* p_pwsWatermarkId
);
Parameters:
p_nIndex,
[in] - watermark index
p_pwsWatermarkId
[out, string] - watermark id
Return values:
S_OK on success or COM error code
NV_NOT_INITIALIZED - Initialize was not called
NV_UNKNOWN_PROFILE - no profile loaded
NV_INVALID_WATERMARK_IMG - wrong image watermark index