Konwenter

#include "stdafx.h"
#include <Windows.h>
#include "stdio.h"
#include <ctime>

#define ID_PRZELICZ 501
#define ID_C 502
#define ID_F 503
#define ID_licz 504


TCHAR Class_Name[] = TEXT("OKNO_TEST");
MSG Komunikat;
int zmienna = 0;
char ilosc[128];
char value[32];
HINSTANCE *hInst;

HWND okno1, okno2;
HWND pole, przycisk, checkbox_C, checkbox_F, edit;

double wynik = 0;

LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{



    switch (msg) {

    case WM_CREATE:

        CheckDlgButton(okno1, ID_C, BST_CHECKED); //ustaw "fajeczkę"
        CheckDlgButton(okno1, ID_F, BST_UNCHECKED); //usuń "fajeczkę"
        break;

    case WM_COMMAND:
        switch (wParam)
        {
        case ID_licz:
            GetWindowTextA(edit, value, 32);

            SetWindowTextA(pole, value);
            break;
        case ID_C:
            CheckDlgButton(okno1, ID_C, BST_CHECKED); //ustaw "fajeczkę"
            CheckDlgButton(okno1, ID_F, BST_UNCHECKED); //usuń "fajeczkę"
            break;
        case ID_F:
            CheckDlgButton(okno1, ID_F, BST_CHECKED); //ustaw "fajeczkę"
            CheckDlgButton(okno1, ID_C, BST_UNCHECKED); //usuń "fajeczkę"
            break;
        case ID_PRZELICZ:
            GetWindowTextA(edit, value, 32);

            wynik = atof(value);

            if (IsDlgButtonChecked(hwnd, ID_C) == BST_CHECKED)
            {
                wynik = ((5.0 / 9.0) * (wynik - 32.0));
            }
            else
            {
                wynik = ((5.0 / 9.0) * wynik + 32.0);
            }

            sprintf_s(value, "%f", wynik);

            SetWindowTextA(pole, value);
            break;

        default:
            //MessageBox(hwnd, TEXT("Zrobiłeś coś innego ;-)"), TEXT("Test"), MB_ICONINFORMATION);
            break;
        }
        break;


    case WM_LBUTTONDOWN:
        zmienna++;
        sprintf_s(ilosc, "%d", zmienna);
        SetWindowTextA(hwnd, ilosc);
        break;
    case WM_CLOSE:
        if ((MessageBox(hwnd, TEXT("Czy chcesz wyłączyć okno ?"), TEXT("Pytanie"), MB_OKCANCEL)) == IDOK)
            DestroyWindow(hwnd);
        else break;
    case WM_DESTROY:
        PostQuitMessage(0);
        break;
    default:
        return DefWindowProcW(hwnd, msg, wParam, lParam);
    }
    return 0;
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
    hInst = &hInstance;
    WNDCLASSEX window;
    window.cbClsExtra = NULL;
    window.cbSize = sizeof(WNDCLASSEX);
    window.cbWndExtra = NULL;
    window.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
    window.hCursor = LoadCursor(*hInst, IDC_ARROW);
    window.hIcon = LoadIcon(*hInst, IDI_APPLICATION);
    window.hIconSm = NULL;
    window.hInstance = *hInst;
    window.lpfnWndProc = WndProc;
    window.lpszClassName = Class_Name;
    window.lpszMenuName = 0;
    window.style = NULL;

    if (!RegisterClassEx(&window)) {
        MessageBox(NULL, TEXT("Zarejestrowanie klasy nieudane! =("), TEXT("WARNING"), MB_OK | MB_ICONWARNING);
        return 1;
    }


    okno1 = CreateWindowEx(WS_EX_WINDOWEDGE, Class_Name, TEXT("Okno 1"), WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 400, 400, NULL, NULL, *hInst, NULL);

    if (okno1 == NULL) {
        MessageBox(NULL, TEXT("Stworzenie okna nieudane! =("), TEXT("WARNING"), MB_OK | MB_ICONWARNING);
        return 2;
    }

    pole = CreateWindowEx(WS_EX_CLIENTEDGE, TEXT("STATIC"), TEXT("0"), WS_CHILD | WS_VISIBLE | WS_BORDER, 20, 10, 150, 30, okno1, NULL, hInstance, NULL),

    checkbox_C  = CreateWindowEx(0, TEXT("BUTTON"), TEXT("Z F na C"), WS_CHILD | WS_VISIBLE | BS_CHECKBOX,  20, 45, 150, 30, okno1, (HMENU) ID_C, hInstance, NULL);

    checkbox_F  = CreateWindowEx(0, TEXT("BUTTON"), TEXT("Z C na F"), WS_CHILD | WS_VISIBLE | BS_CHECKBOX,  20, 75, 150, 30, okno1, (HMENU) ID_F, hInstance, NULL);

    edit = CreateWindowEx(WS_EX_CLIENTEDGE, TEXT("EDIT"), NULL, WS_CHILD | WS_VISIBLE | WS_BORDER,20, 105, 150, 20, okno1, (HMENU) ID_licz , hInstance, NULL);

    przycisk = CreateWindowEx(WS_EX_CLIENTEDGE, TEXT("BUTTON"), TEXT("Przelicz"), WS_CHILD | WS_VISIBLE | WS_BORDER, 20, 135, 150, 30, okno1, (HMENU)ID_PRZELICZ, hInstance, NULL),

    ShowWindow(okno1, nCmdShow);
    UpdateWindow(okno1);

    while (GetMessage(&Komunikat, NULL, 0, 0)) {

        TranslateMessage(&Komunikat);
        DispatchMessage(&Komunikat);
    }
    UnregisterClass(Class_Name, *hInst);
    return Komunikat.wParam;
}