//Set product key function

HRESULT SetLicenseKey(LPCSTR lpcsKey);

//Generate the signed License file function, first call CFileReadWrite:: CreateFile, and then call

//CDictionary::AddInfoToDic to generate the dictionary, and then extract the information from the dictionary and call

//CFileReadWrite::WriteStringToFile

HRESULT CreateLicenseFile (LPCSTR lpcsPath);

//Get device signature function, SN+key->MD5

HRESULT GetEsnInfo(CString& strEsn);

//License File authentication function, in this function first call SetLicenseFilePath to set the License file location

//Then call SetProductKey, call GetFileSectionNUM, then call SetDictionaryNum, then call InitDictionary(),

//Then Write the read License information into the dictionary

HRESULT VerifyLicenseFile(LPCSTR lpcsPath);

//Get the license segment number function and take the value of CDictionary::m_iDicCount

HRESULT GetSectionCount(UINT& uiNum);

//To get the number of nodes in the section, call CDictionary::GetKeyInfo

HRESULT GetKeyCount(UINT uiID, UINT& uiKeyNum);

//The function to get the node name, call CDictionary::GetKeyI

HRESULT GetKeyInfo(UINT uiID, UINT uiIndex, CString& strKey);

//Get the node information Corresponding value function, call CDictionary::GetKeyValue

HRESULT GetKeyValue(UINT uiID, UINT uiIndex, CString& strValue);

//Call to set the number of sections in the license file when generating a license , call CDictionary::SetDictionaryNum to implement

HRESULTSetSectionCount(UINTuiCount);//This function initializes the dictionary together;

//Set the nodes and nodes in each section in the License file Its value function, this interface function calls

//AddInfoToDic in the class CDictionary to implement and generate a dictionary

HRESULT SetKeyValue(UINT uiID, LPCSTR lpcsKey, LPCSTR lpcsValue);