HWND hChildWnd;
// hChildWnd = CreateWindow(szFrameClass, szTitle, WS_OVERLAPPEDWINDOW | WS_CHILD,
// CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, hWnd, NULL, hInst, NULL);
hChildWnd = CreateWindow(szFrameClass, szTitle, WS_OVERLAPPEDWINDOW | WS_CHILD,
0, 0, 150, 170, hWnd, NULL, hInst, NULL);
HWND hChildWnd;
// hChildWnd = CreateWindow(szFrameClass, szTitle, WS_OVERLAPPEDWINDOW | WS_CHILD,
// CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, hWnd, NULL, hInst, NULL);
hChildWnd = CreateWindow(szFrameClass, szTitle, WS_OVERLAPPEDWINDOW | WS_CHILD,
0, 0, 150, 170, hWnd, NULL, hInst, NULL);