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| | | |
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| | | BOOL CAccordionWnd::RegisterWndClass() |
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| | | { |
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| | | WNDCLASS wc; |
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| | | WNDCLASS wcExisting = {}; |
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| | | HINSTANCE hInstance = AfxGetInstanceHandle(); |
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| | | if (::GetClassInfo(hInstance, ACCORDIONWND_CLASS, &wcExisting) || |
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| | | ::GetClassInfo(NULL, ACCORDIONWND_CLASS, &wcExisting)) { |
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| | | return TRUE; |
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| | | } |
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| | | |
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| | | WNDCLASS wc = {}; |
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| | | wc.lpszClassName = ACCORDIONWND_CLASS; |
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| | | wc.hInstance = AfxGetInstanceHandle(); |
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| | | wc.hInstance = hInstance; |
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| | | wc.lpfnWndProc = WindowProc; |
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| | | wc.hCursor = ::LoadCursor(NULL, IDC_ARROW); |
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| | | wc.hIcon = 0; |
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| | |
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| | | wc.cbWndExtra = 0; |
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| | | |
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| | | // 注册自定义类 |
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| | | return (::RegisterClass(&wc) != 0); |
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| | | if (::RegisterClass(&wc) != 0) { |
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| | | return TRUE; |
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| | | } |
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| | | return (::GetLastError() == ERROR_CLASS_ALREADY_EXISTS); |
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| | | } |
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| | | |
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| | | CAccordionWnd * CAccordionWnd::FromHandle(HWND hWnd) |
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