C++ API Reference - CBarcodeReader License Methods
Method | Description |
---|---|
InitLicense |
Read product key and activate the SDK. |
InitLicenseFromServer |
Initialize license and connect to the specified server for online verification. |
InitLicenseFromLicenseContent |
Initialize license from the license content on client machine for offline verification. |
OutputLicenseToString |
Output the license content to a string from the license server. |
OutputLicenseToStringPtr |
Output the license content to a string from the license server. |
FreeLicenseString |
Free memory allocated for the license string. |
InitLicense
Read product key and activate the SDK.
int CBarcodeReader::InitLicense (const char* pLicense)
Parameters
[in] pLicense
The product keys.
Return value
Returns error code (returns 0 if the function operates successfully).
You can call GetErrorString
to get detailed error message.
Code Snippet
CBarcodeReader* reader = new CBarcodeReader();
reader->InitLicense("t0260NwAAAHV***************");
delete reader;
InitLicenseFromServer
Initialize the license and connect to the specified server for online verification.
int CBarcodeReader::InitLicenseFromServer (const char* pLicenseServer, const char* pLicenseKey)
Parameters
[in] pLicenseServer
The URL of the license server.
[in] pLicenseKey
The license key.
Return value
Returns error code (returns 0 if the function operates successfully).
You can call GetErrorString
to get detailed error message.
InitLicenseFromLicenseContent
Initialize barcode reader license from the license content on the client machine for offline verification.
int CBarcodeReader::InitLicenseFromLicenseContent (const char* pLicenseKey, const char* pLicenseContent)
Parameters
[in] pLicenseKey
The license key.
[in] pLicenseContent
An encrypted string representing the license content (quota, expiration date, barcode type, etc.) obtained from the method OutputLicenseToString
.
Return value
Returns error code (returns 0 if the function operates successfully).
You can call GetErrorString
to get detailed error message.
OutputLicenseToString
Output the license content as an encrypted string from the license server to be used for offline license verification.
int CBarcodeReader::OutputLicenseToString (char content[], const int contentLen)
Parameters
[in,out] content
The output string which stores the content of license.
[in] contentLen
The length of output string. The recommended length is 512 per license key.
Return value
Returns error code (returns 0 if the function operates successfully).
You can call GetErrorString
to get detailed error message.
Remark
InitLicenseFromServer
has to be successfully called before calling this method.
OutputLicenseToStringPtr
Output the license content as an encrypted string from the license server to be used for offline license verification.
int CBarcodeReader::OutputLicenseToStringPtr (char** content)
Parameters
[in,out] content
The output string which stores the content of license.
Return value
Returns error code (returns 0 if the function operates successfully).
You can call GetErrorString
to get detailed error message.
Remarks
InitLicenseFromServer
has to be successfully called before calling this method.
FreeLicenseString
Free memory allocated for the license string.
void CBarcodeReader::FreeLicenseString (char** content)
Parameters
[in] content
The output string which stores the content of license.
Remark
OutputLicenseToStringPtr
has to be successfully called before calling this method.