15 Windows编程——系统内置窗口子类型之button

button子类型BS_3STATE、BS_AUTO3STATE、BS_AUTOCHECKBOX

源码

  1 #include<Windows.h>
  2 #include<Windowsx.h>
  3 
  4 LRESULT CALLBACK WindProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
  5 
  6 int WinMain(HINSTANCE hInst, HINSTANCE tmp, LPSTR szCmd, int nShow)
  7 {
  8     WNDCLASS WndClass;
  9     TCHAR* ClassName = TEXT("MyClass");
 10     HWND hwnd;
 11     MSG msg;
 12 
 13     WndClass.cbClsExtra = 0;
 14     WndClass.cbWndExtra = 0;
 15     WndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
 16     WndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
 17     WndClass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
 18     WndClass.hInstance = hInst;
 19     WndClass.lpfnWndProc = WindProc;
 20     WndClass.lpszClassName = ClassName;
 21     WndClass.lpszMenuName = NULL;
 22     WndClass.style = CS_VREDRAW | CS_HREDRAW;
 23 
 24     if (!RegisterClass(&WndClass))
 25     {
 26         MessageBox(NULL, TEXT("Gegister Class Fail!!"), TEXT("error"), MB_OK);
 27         return 0;
 28     }
 29 
 30     //CreateWindow返回之前，会发送WM_CREATE消息
 31     hwnd = CreateWindow(ClassName, TEXT("Hello"), WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 500, 300, NULL, NULL, hInst, NULL);
 32     if (hwnd == NULL)
 33     {
 34         MessageBox(NULL, TEXT("Create Window Fail!!"), TEXT("error"), MB_OK);
 35         return 0;
 36     }
 37     ShowWindow(hwnd, nShow);
 38     UpdateWindow(hwnd);
 39 
 40     while (GetMessage(&msg, NULL, 0, 0))
 41     {
 42         TranslateMessage(&msg);
 43         DispatchMessage(&msg);
 44     }
 45 
 46     return 0;
 47 }
 48 
 49 LRESULT CALLBACK WindProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
 50 {
 51     PAINTSTRUCT pt;
 52     static int check_status = 0;
 53     static HWND button,button1, button2,statichwnd, statichwnd1, statichwnd2;
 54     HDC hdc;
 55     HBRUSH hBrush = CreateSolidBrush(RGB(0, 0, 240));
 56     switch (message)
 57     {
 58     case WM_CREATE:
 59         button = CreateWindow(TEXT("button"), TEXT("BS_3STATE"), WS_CHILD | WS_VISIBLE|BS_3STATE, 0, 0, 0, 0, hwnd, (HMENU)1, GetModuleHandle(NULL), NULL);
 60         statichwnd = CreateWindow(TEXT("static"), NULL, WS_CHILD | WS_VISIBLE, 0, 0, 0, 0, hwnd, (HMENU)10, GetModuleHandle(NULL), NULL);
 61         button1 = CreateWindow(TEXT("button"), TEXT("BS_AUTO3STATE"), WS_CHILD | WS_VISIBLE | BS_AUTO3STATE, 0, 0, 0, 0, hwnd, (HMENU)2, GetModuleHandle(NULL), NULL);
 62         statichwnd1 = CreateWindow(TEXT("static"), NULL, WS_CHILD | WS_VISIBLE, 0, 0, 0, 0, hwnd, (HMENU)20, GetModuleHandle(NULL), NULL);
 63         button2 = CreateWindow(TEXT("button"), TEXT("BS_AUTOCHECKBOX"), WS_CHILD | WS_VISIBLE | BS_AUTOCHECKBOX, 0, 0, 0, 0, hwnd, (HMENU)3, GetModuleHandle(NULL), NULL);
 64         statichwnd2 = CreateWindow(TEXT("static"), NULL, WS_CHILD | WS_VISIBLE, 0, 0, 0, 0, hwnd, (HMENU)30, GetModuleHandle(NULL), NULL);
 65         return 0;
 66     case WM_SIZE:
 67         MoveWindow(button, 10, 10, 160, 20, TRUE);
 68         MoveWindow(statichwnd, 200, 10, 200, 20, TRUE);
 69         MoveWindow(button1, 10, 40, 160, 20, TRUE);
 70         MoveWindow(statichwnd1, 200, 40, 200, 20, TRUE);
 71         MoveWindow(button2, 10, 70, 160, 20, TRUE);
 72         MoveWindow(statichwnd2, 200, 70, 200, 20, TRUE);
 73         return 0;
 74     case WM_COMMAND:
 75         //处理button按钮，手动点选按钮
 76         if (LOWORD(wParam)==1)
 77         {
 78             switch (HIWORD(wParam))
 79             {
 80             case BN_CLICKED:
 81                 check_status++;
 82                 if (check_status % 3 == 1)
 83                 {
 84                     SendMessage((HWND)lParam, BM_SETCHECK, BST_CHECKED, NULL);
 85                     SetWindowText(statichwnd, TEXT("BST_CHECKED"));
 86                 }
 87                 else if (check_status % 3 == 2)
 88                 {
 89                     SendMessage((HWND)lParam, BM_SETCHECK, BST_INDETERMINATE, NULL);
 90                     SetWindowText(statichwnd, TEXT("BST_INDETERMINATE"));
 91                 }
 92                 else
 93                 {
 94                     SendMessage((HWND)lParam, BM_SETCHECK, BST_UNCHECKED, NULL);
 95                     SetWindowText(statichwnd, TEXT("BST_UNCHECKED"));
 96                 }
 97                 break;
 98             default:
 99                 break;
100             }
101         }
102         //处理button1按钮，自动点选按钮
103         else if (LOWORD(wParam) == 2)
104         {
105             switch (HIWORD(wParam))
106             {
107             case BN_CLICKED:
108                 if (SendMessage(button1,BM_GETCHECK,NULL,NULL)==BST_CHECKED)
109                 {
110                     SetWindowText(statichwnd1, TEXT("BST_CHECKED"));
111                 }
112                 else if (SendMessage(button1, BM_GETCHECK, NULL, NULL) == BST_INDETERMINATE)
113                 {
114                     SetWindowText(statichwnd1, TEXT("BST_INDETERMINATE"));
115                 }
116                 else
117                 {
118                     SetWindowText(statichwnd1, TEXT("BST_UNCHECKED"));
119                 }
120                 break;
121             default:
122                 break;
123             }
124         }
125         //处理button2按钮，自动点选按钮,这个按钮只有2种状态
126         else if (LOWORD(wParam) == 3)
127         {
128             switch (HIWORD(wParam))
129             {
130             case BN_CLICKED:
131                 if (SendMessage(button2, BM_GETCHECK, NULL, NULL) == BST_CHECKED)
132                 {
133                     SetWindowText(statichwnd2, TEXT("BST_CHECKED"));
134                 }
135                 else
136                 {
137                     SetWindowText(statichwnd2, TEXT("BST_UNCHECKED"));
138                 }
139                 break;
140             default:
141                 break;
142             }
143         }
144         return 0;
145     case WM_DESTROY:
146         PostQuitMessage(0);
147         return 0;
148     default:
149         break;
150     }
151 
152     return DefWindowProc(hwnd, message, wParam, lParam);
153 }

View Code