Dear Sirs,
I made one dll for one indicator bu VC++ 2008. I want make one change in this code that after for example 7 days expire that.
I mean works it only for 7 days after first start and time that defined on that.
In below you can see one my sample code in C++ and I want add some line in this code for making this limitation time:

#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
#include <windows.h>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
//----
#define MT4_EXPFUNC __declspec(dllexport)
/

//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
int Len = 14;
double ld_0;
double ld_8;
double ld_16;
double ld_24;
double ld_32;
double ld_40;
double ld_48;
double ld_56;
double ld_64;
double ld_72;
double ld_80;
double ld_88;
double ld_96;
double ld_104;
double ld_112;
double ld_120;
double ld_128;
double ld_136;
double ld_144;
double ld_152;
double ld_160;
double ld_168;
double ld_176;
double ld_184;
double ld_192;
double ld_200;
double ld_208;

MT4_EXPFUNC double __stdcall Sig(double Ba,int ld_216,double Hi,double Lo,double Clo)
{

for (int li_224 = ld_216; li_224 >= 0; li_224--) {
if (ld_8 == 0.0) {
ld_8 = 1.0;
ld_16 = 0.0;
if (Len - 1 >= 5) ld_0 = Len - 1.0;
else ld_0 = 5.0;
ld_80 = 100.0 * ((Hi + Lo + Clo) / 3.0);
ld_96 = 3.0 / (Len + 2.0);
ld_104 = 1.0 - ld_96;
} else {
if (ld_0 <= ld_8) ld_8 = ld_0 + 1.0;
else ld_8 += 1.0;
ld_88 = ld_80;
ld_80 = 100.0 * ((Hi + Lo + Clo) / 3.0);
ld_32 = ld_80 - ld_88;
ld_112 = ld_104 * ld_112 + ld_96 * ld_32;
ld_120 = ld_96 * ld_112 + ld_104 * ld_120;
ld_40 = 1.5 * ld_112 - ld_120 / 2.0;
ld_128 = ld_104 * ld_128 + ld_96 * ld_40;
ld_208 = ld_96 * ld_128 + ld_104 * ld_208;
ld_48 = 1.5 * ld_128 - ld_208 / 2.0;
ld_136 = ld_104 * ld_136 + ld_96 * ld_48;
ld_152 = ld_96 * ld_136 + ld_104 * ld_152;
ld_56 = 1.5 * ld_136 - ld_152 / 2.0;
ld_160 = ld_104 * ld_160 + ld_96 * fabs(ld_32);
ld_168 = ld_96 * ld_160 + ld_104 * ld_168;
ld_64 = 1.5 * ld_160 - ld_168 / 2.0;
ld_176 = ld_104 * ld_176 + ld_96 * ld_64;
ld_184 = ld_96 * ld_176 + ld_104 * ld_184;
ld_144 = 1.5 * ld_176 - ld_184 / 2.0;
ld_192 = ld_104 * ld_192 + ld_96 * ld_144;
ld_200 = ld_96 * ld_192 + ld_104 * ld_200;
ld_72 = 1.5 * ld_192 - ld_200 / 2.0;
if (ld_0 >= ld_8 && ld_80 != ld_88) ld_16 = 1.0;
if (ld_0 == ld_8 && ld_16 == 0.0) ld_8 = 0.0;
}
if (ld_0 < ld_8 && ld_72 > 0.0000000001) {
ld_24 = 50.0 * (ld_56 / ld_72 + 1.0);
if (ld_24 > 100.0) ld_24 = 100.0;
if (ld_24 < 0.0) ld_24 = 0.0;
} else ld_24 = 50.0;
return(ld_24);
}

}

Best Regards,
Reza.