extern "C" __declspec( dllimport ) __stdcall BOOL EP_TrialDateTillDate( int* StartYear, int* StartMonth, int* StartDay, int* EndYear, int* EndMonth, int* EndDay );

function EP_TrialDateTillDate( var StartYear, StartMonth, StartDay, EndYear, EndMonth, EndDay : integer) : boolean; stdcall;

Public Declare Function EP_TrialDateTillDate Lib "enigma_ide.dll" (ByRef StartYear As Long, ByRef StartMonth As Long, ByRef StartDay As Long, ByRef EndYear As Long, ByRef EndMonth As Long, ByRef EndDay As Long) As Byte

public class Enigma_IDE
{
    [DllImport("enigma_ide.dll", CallingConvention = CallingConvention.StdCall)]
    public static extern bool EP_TrialDateTillDate(ref Int32 StartYear, ref Int32 StartMonth, ref Int32 StartDay, ref Int32 EndYear, ref Int32 EndMonth, ref Int32 EndDay);
}