#include   <stdio.h>
#include <windows.h>




////////////////////////////////////////////////////////////////////////////////
int main()                                                                    //
{


   HWND    hWnd = GetForegroundWindow();
   COORD   P    = {0};
   RECT    pRECT= {0};




   GetClientRect(hWnd, &pRECT);

   HPEN    hPen1  = CreatePen(PS_SOLID, 2, RGB(255,   0,   0)),
           hPen2  = CreatePen(PS_SOLID, 7, RGB( 25, 220,   0)),
           hPen3  = CreatePen(PS_SOLID, 2, RGB( 84,  79, 171)),
           hPen4  = CreatePen(PS_SOLID, 2, RGB(214,  73, 151));

   HDC hdc = GetWindowDC(hWnd);

   SetBkMode(hdc, 1);  //  TRANSPARENT

   P.X = 100;
   P.Y = 200;

   EXTLOGPEN pINFO;

   GetObject(hPen1, sizeof(EXTLOGPEN), &pINFO);



   SelectObject(hdc, hPen3);

   for(int i = 0; i < 200; i+=20)
   {
     MoveToEx(hdc,  50,  120+i, 0);
     LineTo  (hdc, 230,  120+i   );
     MoveToEx(hdc,  50+i,  120, 0);
     LineTo  (hdc,  50+i,  300   );
   }

}