#include <windows.h>
const char g_szClassName[] = "myWindowClass"; /* 程式名稱 */
// Step 4: the Window Procedure
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch(msg)
{
case WM_CLOSE:
DestroyWindow(hwnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 0;
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpCmdLine, int nCmdShow)
{
WNDCLASSEX wc;
HWND hwnd;
MSG Msg;
//Step 1: Registering the Window Class
// -------------------------------------------------------------
// system
wc.cbSize = sizeof(WNDCLASSEX); // 固定
wc.lpfnWndProc = WndProc; // 訊息處理
wc.cbClsExtra = 0; // 設0
wc.cbWndExtra = 0; // 設0
wc.hInstance = hInstance; // 固定
// -------------------------------------------------------------
// style
wc.style = 0; // 風格
wc.lpszClassName = g_szClassName; // class namme
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1); // 背景顏色
// -------------------------------------------------------------
// resource
wc.hCursor = LoadCursor(NULL, IDC_ARROW); // 設定 curosr
wc.lpszMenuName = NULL; // 載入 menu
wc.hIcon = LoadIcon(NULL, IDI_APPLICATION); // 設定 icon
wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION); // icon
// -------------------------------------------------------------
if(!RegisterClassEx(&wc))
{
MessageBox(NULL, "Window Registration Failed!", "Error!",
MB_ICONEXCLAMATION | MB_OK);
return 0;
}
// Step 2: Creating the Window
hwnd = CreateWindowEx(
WS_EX_CLIENTEDGE,
g_szClassName,
"The title of my window",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, 240, 120,
NULL, NULL, hInstance, NULL);
if(hwnd == NULL)
{
MessageBox(NULL, "Window Creation Failed!", "Error!",
MB_ICONEXCLAMATION | MB_OK);
return EXIT_FAILURE;
}
ShowWindow(hwnd, nCmdShow);
UpdateWindow(hwnd);
// Step 3: The Message Loop
while(GetMessage(&Msg, NULL, 0, 0) > 0)
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}

