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C++ API Reference - Initialization

Method	Description
`InitLicense`	Sets product key and activates the SDK.
`InitLTSConnectionParameters`	Initializes a DM_LTSConnectionParameters struct with default values.
`InitLicenseFromLTS`	Initializes the label recognition license and connects to the specified server for online verification.

InitLicense

Sets product key and activate the SDK.

int InitLicense (const char *license)

Parameters [in] license The product key.

Return Value Returns error code. Returns 0 if the function completed successfully, otherwise call GetErrorString to get detailed message.

Possible returns are: DLR_OK;

Code Snippet

CLabelRecognition* recognizer = new CLabelRecognition();
recognizer->InitLicense("t0260NwAAAHV***************");
delete recognizer;

InitLTSConnectionParameters

Initializes a DM_LTSConnectionParameters struct with default values.

static int dynamsoft::dlr::CLabelRecognition::InitLTSConnectionParameters (DM_LTSConnectionParameters *pLTSConnectionParameters)

Parameters [in, out] pLTSConnectionParameters The struct of DM_LTSConnectionParameters.

Return Value Returns error code (returns 0 if the function operates successfully).
You can call GetErrorString to get detailed error message.

Code Snippet

char errorBuf[512];
DMLTSConnectionParameters paramters;
InitLTSConnectionParameters(&paramters);
paramters.handshakeCode = "Your handshake code";
InitLicenseFromLTS(&paramters, errorBuf, 512);

InitLicenseFromLTS

Initializes the label recognition license and connects to the specified server for online verification.

static int dynamsoft::dlr::CLabelRecognition::InitLicenseFromLTS(DM_LTSConnectionParameters *pLTSConnectionParameters, char errorMsgBuffer[], const int errorMsgBufferLen)

Parameters [in] pLTSConnectionParameters The struct DM_LTSConnectionParameters with customized settings.
[in, out] errorMsgBuffer The buffer is allocated by caller and the recommending length is 256. The error message will be copied to the buffer.
[in] errorMsgBufferLen The length of allocated buffer.

Return Value Returns error code (returns 0 if the function operates successfully).
You can call GetErrorString to get detailed error message.

Code Snippet

char errorBuf[512];
DMLTSConnectionParameters paramters;
InitLTSConnectionParameters(&paramters);
paramters.handshakeCode = "Your handshake code";
InitLicenseFromLTS(&paramters, errorBuf, 512);