1 #include <Windows.h>
2
3 //处理消息的回调函数
4 LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
5
6 int WINAPI WinMain(HINSTANCE hinstance, HINSTANCE hpreinstance, PSTR szcmdline,
int icmdshow)
7 {
8 //设置窗口的名字
9 static TCHAR szappname[
100] = TEXT(
"mywindow");
10
11 //窗口类
12 WNDCLASS wndclass;
13 //风格
14 wndclass.style = CS_HREDRAW |
CS_VREDRAW;
15 wndclass.lpszClassName = szappname;
//设置名字
16 wndclass.lpszMenuName =
NULL;
17 wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
//设置背景
18 wndclass.lpfnWndProc = WndProc;
//设置回调函数处理窗口
19 wndclass.cbClsExtra = wndclass.cbWndExtra =
0;
//拓展
20 wndclass.hInstance = hinstance;
//窗口句柄
21 wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
//载入图标
22 wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
//载入鼠标风格
23
24 //通过名字,注册窗口
25 if (!RegisterClass(&
wndclass))
26 {
27 MessageBoxA(
0,
"窗口注册失败",
"提示",
0);
28 return 0;
29 }
30
31 //通过名字,创建窗口
32 HWND hwnd = CreateWindow(szappname,
//窗口名字
33 TEXT(
"窗口"),
//窗口标题
34 WS_OVERLAPPEDWINDOW,
//窗口风格
35 CW_USEDEFAULT,
//默认显示位置x
36 CW_USEDEFAULT,
//默认显示位置y
37 CW_USEDEFAULT,
//默认宽度
38 CW_USEDEFAULT,
//默认高度
39 NULL,
//子窗口
40 NULL,
//子菜单
41 hinstance,
//窗口句柄
42 NULL);
43
44 ShowWindow(hwnd, SW_SHOW);
45 UpdateWindow(hwnd);
//显示并更新
46 MSG msg;
//消息
47 //消息循环(GetMessage 创建事件 TranslateMessage DispatchMessage响应事件)
48 while (GetMessage(&msg,NULL,
0,
0))
49 {
50 TranslateMessage(&
msg);
51 //调用回调函数
52 DispatchMessage(&
msg);
53 }
54
55 return msg.wParam;
56 }
57
58 LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam)
59 {
60 //设备环境
61 HDC hdc;
62 PAINTSTRUCT ps;
63 RECT rect;
64 switch (message)
65 {
66 case WM_LBUTTONDOWN:
67 MessageBoxA(
0,
"按下鼠标左键",
"提示",
0);
68 break;
69 case WM_RBUTTONDOWN:
70 MessageBoxA(
0,
"按下鼠标左键",
"提示",
0);
71 break;
72 case WM_CLOSE:
73 if (MessageBoxA(
0,
"是否关闭窗口",
"提示",
1) ==
1)
74 {
75 //关闭窗口,发送WM_DESTROY消息
76 DestroyWindow(hwnd);
77 }
78 else
79 {
80 return 0;
81 }
82 break;
83 case WM_DESTROY:
84 MessageBoxA(
0,
"已成功关闭",
"提示",
0);
85 exit(
0);
86 break;
87 default:
88 break;
89 }
90 return DefWindowProc(hwnd, message, wparam, lparam);
91 }
转载于:https://www.cnblogs.com/xiaochi/p/8538613.html
相关资源：数据结构—成绩单生成器
