//1 Sample1 main frame for the graph program.
			hDC=BeginPaint(hWnd,&PtStr);
			hPen=(HPEN)GetStockObject(NULL_PEN);//get empty brush
			SelectObject(hDC,hPen);
			hBrush=(HBRUSH)GetStockObject(BLACK_BRUSH);
			SelectObject(hDC,hBrush);
			
			hPen=CreatePen(PS_SOLID,2,RGB(255,0,0));//create pen
			SelectObject(hDC,hPen);
			
			//main part of drawing
			
			DeleteObject(hPen);
			DeleteObject(hBrush);
			EndPaint(hWnd,&PtStr);
			
			
//Ulti function for draw
				1)
				MoveToEx(hDC,posX+(j-1)*step,posY,NULL);
				2)
				LineTo(hDC,posX+(j-1)*step,posY+400);
				3)
				Ellipse(hDC,posX+arr[i]*50,posY+(j-1)*50,posX+(arr[i]+1)*50,posY+j*50);
				4)
				POINT points[6]={{100,212},{70,227},{70,250},{130,250},{130,227},{100,212}};
				Polyline(hDC,points,6);
				5)
				Arc(hDC,63,137,138,212,100,137,100,137);
				6)
				Rectangle(hDC,213,212,287,250);
				7)
				RoundRect(hDC,213,100,287,137,20,20);