WNDCLASS wndClass;
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = 0;
wndClass.hbrBackground = (HBRUSH) GetStockObject(COLOR_ACTIVEBORDER);
wndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndClass.hIcon = LoadIcon(NULL, IDI_SHIELD);
wndClass.hInstance = hInstance;
wndClass.lpfnWndProc = TillMsgProc;
wndClass.lpszClassName = pszClassName;
wndClass.lpszMenuName = NULL;
wndClass.style = CS_HREDRAW | CS_VREDRAW;
RegisterClass(&wndClass);
g_hWnd = CreateWindow(pszClassName,
NULL,
DS_MODALFRAME | WS_POPUP | WS_CAPTION | WS_SYSMENU,
400, 250, 280, 220,
NULL,
NULL,
hInstance,
NULL);
加粗这要用什么值？为什么试来试去，要么是白色，要么就深色，显示文本标签时，文本的默认背景色又跟它不一样。
自己发现问题解决问题不也很有成就感
