Protection API - SDP_GetKeyExpirationDate

SDP_GetKeyExpirationDate

The SDP_GetKeyExpirationDate function is used to read in expiration date of a license key.

  For C++:

        int SDP_GetKeyExpirationDate(
            LPSYSTEMTIME lpSystemTime // expiration date 
            );
  For Delphi:

         function SDP_GetKeyExpirationDate(
            lpSystemTime :PSystemTime // expiration date
            ): Integer;  

Parameters

lpSystemTime

[out] Pointer to a SYSTEMTIME structure to receive expiration date of a license key.

Return Values

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero.

Remarks

If there is no valid license key found in user's computer, the return value is zero.

Example

for C/C++

#include "SDProtector.h"

//...

void GetExpirationDate()
{
    SYSTEMTIME ExpirationDate;
    char szInfo[256];
    if(SDP_GetKeyExpirationDate(&ExpirationDate))
    {
       //If succeeded
       sprintf(szInfo,"License key will be expired on %4d,%02d,%02d",
               ExpirationDate.wYear,ExpirationDate.wMonth,ExpirationDate.wDay);

       ::MessageBox(NULL,szInfo,"Expiration Info",MB_ICONINFORMATION); 
    } 
    else
    {
       //if failed
       ::MessageBox(NULL,"This an unregistered version","Error",MB_ICONINFORMATION); 
    } 

}

for Delphi

        
procedure GetExpirationDate;
var ExpirationDate: SYSTEMTIME;
    szInfo: String;
begin

   if SDP_GetKeyExpirationDate(@ExpirationDate) = 1 then
      begin
          szInfo=format('License key will be expired on %4d,%02d,%02d',
                        [ExpirationDate.wYear,ExpirationDate.wMonth,ExpirationDate.wDay]);
          MessageBox(0,@szInfo[1],'Expiration Info', MB_ICONINFORMATION);
      end
   else
      MessageBox(0,'This an unregistered version','Error',MB_ICONINFORMATION);
end;