Windows API学习-单选按钮、复选框、分组框控件(1)
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- 说 明
单选按钮（Radio Button）和复选框（Check Box）是常见的Windows控件，用于从给出的选项中选择一项或多项
单选按钮是互斥的，只能选择其中一项；而复选框没有限制，可以选择一项或多项。
单选按钮和复选框都是一种特殊的按钮，窗口类名称都是button，只不过增加了一些特殊的窗口样式罢了。单选按钮的样式为BS_AUTORADIOBUTTON，复选框的样式为BS_AUTOCHECKBOX。要想为单选按钮分组，可以增加WS_GROUP样式。设置了 WS_GROUP 样式的单选框为一组中的首元素，随后的所有单选按钮都和它在同一组，直到下一个设置了 WS_GROUP 样式的单选按钮。
下面的代码，将实现上图中所示的单选按钮和复选框：
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//窗口过程 LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam){ PAINTSTRUCT ps; HDC hdc; static HFONT hFont; //逻辑字体 //一组单选按钮 static HWND labSex; //静态文本框--性别 static HWND radioMale; //单选按钮--男 static HWND radioFemale; //单选按钮--女 //一组单选按钮 static HWND labMarriage; //静态文本框--婚姻状况 static HWND radioMarried; //单选按钮--已婚 static HWND radioSingle; //单选按钮--未婚 static HWND radioSecrecy; //单选按钮--保密 //一组复选框 static HWND labPet; //静态文本框--你的宠物 static HWND checkboxDog; //复选框--狗 static HWND checkboxCat; //复选框--猫 static HWND checkboxFish; //复选框--鱼 static HWND checkboxOther; //复选框--其他 switch (message){ case WM_CREATE: hFont = CreateFont( -14, -7, 0, 0, 400, FALSE, FALSE, FALSE,DEFAULT_CHARSET, OUT_CHARACTER_PRECIS, CLIP_CHARACTER_PRECIS, DEFAULT_QUALITY, FF_DONTCARE, TEXT("微软雅黑") ); //选择性别 labSex = CreateWindow( TEXT("static"), TEXT("你的性别："), WS_CHILD | WS_VISIBLE | SS_CENTERIMAGE | SS_RIGHT/*文字居右*/, 10, 10, 80, 26, hWnd, (HMENU)1, hInst, NULL ); radioMale = CreateWindow( TEXT("button"), TEXT("男"), WS_CHILD | WS_VISIBLE | BS_LEFT/*文字居左*/ | BS_AUTORADIOBUTTON /*单选按钮*/ | WS_GROUP, 95, 10, 50, 26, hWnd, (HMENU)2, hInst, NULL ); radioFemale = CreateWindow( TEXT("button"), TEXT("女"), WS_CHILD | WS_VISIBLE | BS_LEFT | BS_AUTORADIOBUTTON, 150, 10, 50, 26, hWnd, (HMENU)2, hInst, NULL ); //选择婚姻状况 labMarriage = CreateWindow( TEXT("static"), TEXT("婚姻状况："), WS_CHILD | WS_VISIBLE | SS_CENTERIMAGE | SS_RIGHT, 10, 40, 80, 26, hWnd, (HMENU)4, hInst, NULL ); radioMarried = CreateWindow( TEXT("button"), TEXT("已婚"), WS_CHILD | WS_VISIBLE | BS_LEFT | BS_AUTORADIOBUTTON | WS_GROUP, 95, 40, 65, 26, hWnd, (HMENU)5, hInst, NULL ); radioSingle = CreateWindow( TEXT("button"), TEXT("未婚"), WS_CHILD | WS_VISIBLE | BS_LEFT | BS_AUTORADIOBUTTON, 165, 40, 65, 26, hWnd, (HMENU)6, hInst, NULL ); radioSecrecy = CreateWindow( TEXT("button"), TEXT("保密"), WS_CHILD | WS_VISIBLE | BS_LEFT | BS_AUTORADIOBUTTON, 235, 40, 100, 26, hWnd, (HMENU)7, hInst, NULL ); //你的宠物 labPet = CreateWindow( TEXT("static"), TEXT("你的宠物："), WS_CHILD | WS_VISIBLE | SS_CENTERIMAGE | SS_RIGHT, 10, 70, 80, 26, hWnd, (HMENU)8, hInst, NULL ); checkboxDog = CreateWindow( TEXT("button"), TEXT("狗"), WS_CHILD | WS_VISIBLE | BS_LEFT | BS_AUTOCHECKBOX/*复选框*/, 95, 70, 50, 26, hWnd, (HMENU)9, hInst, NULL ); checkboxCat = CreateWindow( TEXT("button"), TEXT("猫"), WS_CHILD | WS_VISIBLE | BS_LEFT | BS_AUTOCHECKBOX, 150, 70, 50, 26, hWnd, (HMENU)10, hInst, NULL ); checkboxFish = CreateWindow( TEXT("button"), TEXT("鱼"), WS_CHILD | WS_VISIBLE | BS_LEFT | BS_AUTOCHECKBOX, 205, 70, 50, 26, hWnd, (HMENU)11, hInst, NULL ); checkboxOther = CreateWindow( TEXT("button"), TEXT("其他"), WS_CHILD | WS_VISIBLE | BS_LEFT | BS_AUTOCHECKBOX, 260, 70, 65, 26, hWnd, (HMENU)11, hInst, NULL ); SendMessage(labSex, WM_SETFONT, (WPARAM)hFont, NULL); SendMessage(radioMale, WM_SETFONT, (WPARAM)hFont, NULL); SendMessage(radioFemale, WM_SETFONT, (WPARAM)hFont, NULL); SendMessage(labMarriage, WM_SETFONT, (WPARAM)hFont, NULL); SendMessage(radioMarried, WM_SETFONT, (WPARAM)hFont, NULL); SendMessage(radioSingle, WM_SETFONT, (WPARAM)hFont, NULL); SendMessage(radioSecrecy, WM_SETFONT, (WPARAM)hFont, NULL); SendMessage(labPet, WM_SETFONT, (WPARAM)hFont, NULL); SendMessage(checkboxDog, WM_SETFONT, (WPARAM)hFont, NULL); SendMessage(checkboxCat, WM_SETFONT, (WPARAM)hFont, NULL); SendMessage(checkboxFish, WM_SETFONT, (WPARAM)hFont, NULL); SendMessage(checkboxOther, WM_SETFONT, (WPARAM)hFont, NULL); break; case WM_PAINT: hdc = BeginPaint(hWnd, &ps); // TODO: 在此添加任意绘图代码... EndPaint(hWnd, &ps); break; case WM_DESTROY: PostQuitMessage(0); break; default: return DefWindowProc(hWnd, message, wParam, lParam); } return 0; } |
运行效果：
