The GetWatermarkTextCount method retrieves the number of image watermarks.
HRESULT GetWatermarkTextCount(
[ out ] SHORT* p_pnCount
);
Parameters:
p_pnCount
[out] count of image watermarks
Return values:
S_OK on success or COM error code
NV_NOT_INITIALIZED - Initialize was not called
NV_UNKNOWN_PROFILE - no profile loaded