From PDF XChange PDF SDK
Adds new Launch action to the actions list.
HRESULT AddLaunch([in] BSTR pFileName, [out, retval] IPXC_Action** ppAction);
- [in] Path to source file.
- [out, retval] Pointer to IPXC_Action containing the newly created action.
Returns S_OK if the operation was successful, or will return an error code if it fails.