Finding the Remaining Days on a Trial License

You may want to display the number of days remaining on a trial license whenever your application opens.

This section describes the prerequisites:

Include Libraries

Licensing library specific to your platform, including the dependent libraries specific to your environment.

Include Header File(s )

lserv.h

Declare Variables

unsigned char     *feature_name;
unsigned char     *version;
int                index=0;
VLStrialUsageInfo  trial_usage_info;

API Calls

>VLSinitialize();

>trial_usage_info.structSz=sizeOf(trial_usage_info);

>VLSgetTrialUsageInfo(feature_name, version, index, trial_usage_info);

>Printf ("Trial calendar_period left :%d", trial_usage_info.cumulative_trial_calendar_period_left);

>Printf ("Trial elapsed period left :%d", trial_usage_info.cumulative_trial_elapsed_period_left);

>Printf ("Trial elapsed period left :%d", trial_usage_info.cumulative_trial_executions_left);