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| #include <windows.h>
#include <windowsx.h>
#include <stdlib.h>
#include <string.h>
#include <tchar.h>
// Global variables
#define idEdit 101
#define idButton 201
// The main window class name.
static TCHAR szWindowClass[] = _T("win32app");
// The string that appears in the application's title bar.
static TCHAR szTitle[] = _T("Win32 Guided Tour Application");
HINSTANCE hInst;
// Forward declarations of functions included in this code module:
LRESULT CALLBACK WindowProcedure(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
HWND edit1, edit2, edit3;
int WINAPI WinMain(HINSTANCE hInst, HINSTANCE, LPSTR, int)
{
char Class[] = "Window_Class";
WNDCLASS wc = { 0 };
ZeroMemory(&wc, sizeof(wc));
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = WindowProcedure;
wc.hInstance = hInst;
wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = GetStockBrush(WHITE_BRUSH);
wc.lpszClassName = szWindowClass;
wc.lpszMenuName = NULL;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
if (!RegisterClass(&wc))
{
MessageBox(NULL, L"Window Registration Failed!", L"Error!", MB_OK | MB_ICONERROR);
return 0;
}
HWND hwnd = CreateWindow(
szWindowClass,
szTitle,
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
150, 150,
NULL,
NULL,
hInst,
NULL
);
if (!hwnd)
{
MessageBox(NULL, L"Window Creation Failed!", L"Error!", MB_OK | MB_ICONERROR);
return 0;
}
ShowWindow(hwnd, SW_SHOW);
UpdateWindow(hwnd);
MSG msg;
while (GetMessage(&msg, NULL, 0, 0))
{
DispatchMessage(&msg);
TranslateMessage(&msg);
}
UnregisterClass(szWindowClass, hInst);
return (int)msg.wParam;
}
LRESULT CALLBACK WindowProcedure(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg)
{
case WM_CREATE:
{
DWORD dwEditStyle = WS_CHILDWINDOW | WS_VISIBLE | ES_AUTOHSCROLL | WS_BORDER | ES_NUMBER;
edit1 = CreateWindow(L"EDIT", L"0", dwEditStyle, 10, 10, 80, 20, hwnd, (HMENU)0, NULL, NULL);
edit2 = CreateWindow(L"EDIT", L"0", dwEditStyle, 10, 40, 80, 20, hwnd, (HMENU)0, NULL, NULL);
edit3 = CreateWindow(L"EDIT", L"0", dwEditStyle, 10, 70, 80, 20, hwnd, (HMENU)0, NULL, NULL);
CreateWindow(L"BUTTON", L"+", WS_CHILDWINDOW | WS_VISIBLE, 100, 40, 20, 20, hwnd, (HMENU)1, NULL, NULL);
}
break;
case WM_COMMAND:
{
switch (wParam)
{
case 1:
{
char buff1[128] = { "" };
char buff2[128] = { "" };
SendMessage(edit1, WM_GETTEXT, MAX_PATH, (LPARAM)buff1);
SendMessage(edit2, WM_GETTEXT, MAX_PATH, (LPARAM)buff2);
char out[128] = { "" };
wsprintf((LPWSTR)out, L"%d", atoi(buff1) + atoi(buff2));
SetWindowText(edit3, (LPWSTR)out);
}
break;
default:
DefWindowProc(hwnd, msg, wParam, lParam);
}
break;
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
}
return DefWindowProc(hwnd, msg, wParam, lParam);
} |
(
