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#include <windows.h>
#include <iostream>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <string.h>
#include <windowsx.h>
#include <stdio.h>

#define ID_EDIT 1
#define ID_EDIT1 2
#define ID_EDIT2 3

#define ID_LISTBOX 4
#define ID_BUTTMINY 5
#define ID_BUTTMAXY 12
#define ID_BUTSRY 7
#define ID_BUTRES 11

#define ID_EDIT3 8
#define ID_EDIT4 9
#define ID_EDIT5 10
#define CTLCOLOR_LISTBOX 15

double x, y;
double shag; 
double a, b, d;
double min, max;
double sry;
double sum;

HWND hlist;
HDC hdc;
HINSTANCE hInst;
PAINTSTRUCT ps;

HWND hedit;
HWND hedit1;
HWND hedit2;
HWND hedit3;
HWND hedit4;
HWND hedit5;

HWND hButton1, hButton2, hButton3, hButton4;


void makeneww(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam)
{
	hedit = CreateWindow("edit", "", WS_CHILD | WS_VISIBLE | WS_BORDER, 240, 10, 270, 30, hwnd, (HMENU)ID_EDIT, NULL, NULL);//ЕДИТ ДЛЯ ВВОДА MIN X
	hedit1 = CreateWindow("edit", "", WS_CHILD | WS_VISIBLE | WS_BORDER, 240, 45, 270, 30, hwnd, (HMENU)ID_EDIT1, NULL, NULL);//ЕДИТ ДЛЯ ВВОДА MAX X
	hedit2 = CreateWindow("edit", "", WS_CHILD | WS_VISIBLE | WS_BORDER, 240, 80, 270, 30, hwnd, (HMENU)ID_EDIT2, NULL, NULL);//ЕДИТ ДЛЯ ВВОДА ШКОЛИЧЕСТВА ШАГОВ X
	
	hlist = CreateWindow("listbox", "", WS_CHILD | WS_VISIBLE | WS_BORDER | ES_LEFT | WS_VSCROLL | WS_HSCROLL| LBS_NOTIFY, 10, 160, 500, 250, hwnd, (HMENU)ID_LISTBOX , NULL, NULL);
	hButton1 = CreateWindow("button", "Узнать min Y", WS_CHILD | WS_VISIBLE | WS_BORDER, 10, 420, 150, 50, hwnd, (HMENU)ID_BUTTMINY, NULL, NULL);
	hButton2 = CreateWindow("button", "Узнать max Y", WS_CHILD | WS_VISIBLE | WS_BORDER, 180, 420, 160, 50, hwnd, (HMENU)ID_BUTTMAXY, NULL, NULL);
	hButton3 = CreateWindow("button", "Узнать средний Y", WS_CHILD | WS_VISIBLE | WS_BORDER, 360, 420, 150, 50, hwnd, (HMENU)ID_BUTSRY, NULL, NULL);
	hButton4 = CreateWindow("button", "ВЫВЕСТИ РЕЗУЛЬТАТ", WS_CHILD | WS_VISIBLE | WS_BORDER, 20, 110, 200, 40, hwnd, (HMENU)ID_BUTRES, NULL, NULL);
	
	hedit3 = CreateWindow("edit", "", WS_CHILD | WS_VISIBLE | WS_BORDER, 10, 470, 150, 30, hwnd, (HMENU)ID_EDIT3, NULL, NULL); //ЕДИТ ДЛЯ ВЫВОДА min Y
	hedit4 = CreateWindow("edit", "", WS_CHILD | WS_VISIBLE | WS_BORDER, 180, 470, 160, 30, hwnd, (HMENU)ID_EDIT4, NULL, NULL);//ЕДИТ ДЛЯ ВЫВОДА max Y
	hedit5 = CreateWindow("edit", "", WS_CHILD | WS_VISIBLE | WS_BORDER, 360, 470, 150, 30, hwnd, (HMENU)ID_EDIT5, NULL, NULL);//ЕДИТ ДЛЯ ВЫВОДА средний Y Y
}


LRESULT CALLBACK WndProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam);


/* The 'main' function of Win32 GUI programs: this is where execution starts */
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
	WNDCLASSEX wc; /* A properties struct of our window */
	HWND hwnd; /* A 'HANDLE', hence the H, or a pointer to our window */
	MSG msg; /* A temporary location for all messages */

	/* zero out the struct and set the stuff we want to modify */
	memset(&wc,0,sizeof(wc));
	wc.cbSize		 = sizeof(WNDCLASSEX);
	wc.lpfnWndProc	 = WndProc; /* This is where we will send messages to */
	wc.hInstance	 = hInstance;
	wc.hCursor		 = LoadCursor(NULL, IDC_ARROW);
	
	/* White, COLOR_WINDOW is just a #define for a system color, try Ctrl+Clicking it */
	wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
	wc.lpszClassName = "WindowClass";
	wc.hIcon		 = LoadIcon(NULL, IDI_APPLICATION); /* Load a standard icon */
	wc.hIconSm		 = LoadIcon(NULL, IDI_APPLICATION); /* use the name "A" to use the project icon */

	if(!RegisterClassEx(&wc)) {
		MessageBox(NULL, "Window Registration Failed!","Error!",MB_ICONEXCLAMATION|MB_OK);
		return 0;
	}

	hwnd = CreateWindowEx(WS_EX_CLIENTEDGE,"WindowClass","Курсовая Чистяков 1 вариант",WS_VISIBLE|WS_OVERLAPPEDWINDOW,
		CW_USEDEFAULT, /* x */
		CW_USEDEFAULT, /* y */
		540, /* width */
		550, /* height */
		NULL,NULL,hInstance,NULL);

	if(hwnd == NULL) {
		MessageBox(NULL, "Window Creation Failed!","Error!",MB_ICONEXCLAMATION|MB_OK);
		return 0;
	}

	while(GetMessage(&msg, NULL, 0, 0) > 0) { /* If no error is received... */
		TranslateMessage(&msg); /* Translate key codes to chars if present */
		DispatchMessage(&msg); /* Send it to WndProc */
	}
	return msg.wParam;
}

LRESULT CALLBACK WndProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam) {
	switch(Message) {
		
		case WM_CREATE:{
			makeneww(hwnd,Message,wParam,lParam);
			break;
		}
			
		case WM_COMMAND:{
		
			if ((HWND)lParam ==  hButton4){
				
			SendMessage(hlist, LB_RESETCONTENT, 0, 0);
			
			char number1[10];
            Edit_GetLine(hedit,0,number1,10);
            a = atof(number1);
            
            Edit_GetLine(hedit1,0,number1,10);
            b = atof(number1);
            
            Edit_GetLine(hedit2,0,number1,10);
            shag = atof(number1);
            
            
            d = (b - a) / shag;
            
            y = ((a*a+pow(2.3,a))/(a*+log(pow(a,3)+1)))*(a+cos(a));
			min = y;
			max = y;
			sum=0;
			for (x = a;  x<b; x+=d)	{
	
				char itogx[100] = {"x = "};
				char resultx[100]={0};
				sprintf(resultx,"%lf",x);
				strcat (itogx,resultx);
				
				y = ((x*x+pow(2.3,x))/(x*+log(pow(x,3)+1)))*(x+cos(x));
				
				char itogy[100] = {" y = "};
				char resulty[100]={0};
				sprintf(resulty,"%lf",y);
				strcat (itogy,resulty);
				
				strcat (itogx,itogy);
				
				SendMessage(hlist, LB_ADDSTRING, 0, (LPARAM) itogx);
				
				if (y>max) {
					max = y;
				}
	
				if (y<min) {
					min = y;
				}
				sum=sum+y;	
			
			}
			sry=sum/shag;
			
			}
			if((HWND)lParam ==  hButton1){
			
			char minyy[100];
				sprintf(minyy,"%lf",min);
				SetWindowText(hedit3,minyy);}
				
				if((HWND)lParam ==  hButton2){
			
			char maxyy[100];
				sprintf(maxyy,"%lf",max);
				SetWindowText(hedit4,maxyy);}
				
				if((HWND)lParam ==  hButton3){
			
			char temp[100];
				sprintf(temp,"%lf",sry);
				SetWindowText(hedit5,temp);}
				
		break;
		}
		
		/* Upon destruction, tell the main thread to stop */
		case WM_DESTROY: {
			PostQuitMessage(0);
			break;
		}
		
		/* All other messages (a lot of them) are processed using default procedures */
		default:
			return DefWindowProc(hwnd, Message, wParam, lParam);
	}
	return 0;
}

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