BOOL GetWindowInfo(HWND hwnd, PWINDOWINFO pwi);

typedef struct {
    DWORD cbSize;
    RECT rcWindow;
    RECT rcClient;
    DWORD dwStyle;
    DWORD dwExStyle;
    DWORD dwWindowStatus;
    UINT cxWindowBorders;
    UINT cyWindowBorders;
    ATOM atomWindowType;
    WORD wCreatorVersion;
} WINDOWINFO, *PWINDOWINFO, *LPWINDOWINFO;

/*
* Extended Window Styles
*/
#define WS_EX_DLGMODALFRAME     0x00000001L
#define WS_EX_NOPARENTNOTIFY    0x00000004L
#define WS_EX_TOPMOST           0x00000008L
#define WS_EX_ACCEPTFILES       0x00000010L
#define WS_EX_TRANSPARENT       0x00000020L
#if(WINVER >= 0x0400)
#define WS_EX_MDICHILD          0x00000040L
#define WS_EX_TOOLWINDOW        0x00000080L
#define WS_EX_WINDOWEDGE        0x00000100L
#define WS_EX_CLIENTEDGE        0x00000200L
#define WS_EX_CONTEXTHELP       0x00000400L

#endif /* WINVER >= 0x0400 */
#if(WINVER >= 0x0400)

#define WS_EX_RIGHT             0x00001000L
#define WS_EX_LEFT              0x00000000L
#define WS_EX_RTLREADING        0x00002000L
#define WS_EX_LTRREADING        0x00000000L
#define WS_EX_LEFTSCROLLBAR     0x00004000L
#define WS_EX_RIGHTSCROLLBAR    0x00000000L

#define WS_EX_CONTROLPARENT     0x00010000L
#define WS_EX_STATICEDGE        0x00020000L
#define WS_EX_APPWINDOW         0x00040000L


#define WS_EX_OVERLAPPEDWINDOW  (WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE)
#define WS_EX_PALETTEWINDOW     (WS_EX_WINDOWEDGE | WS_EX_TOOLWINDOW | WS_EX_TOPMOST)

#endif /* WINVER >= 0x0400 */

#if(_WIN32_WINNT >= 0x0500)
#define WS_EX_LAYERED           0x00080000

#endif /* _WIN32_WINNT >= 0x0500 */


#if(WINVER >= 0x0500)
#define WS_EX_NOINHERITLAYOUT   0x00100000L // Disable inheritence of mirroring by children
#define WS_EX_LAYOUTRTL         0x00400000L // Right to left mirroring
#endif /* WINVER >= 0x0500 */

#if(_WIN32_WINNT >= 0x0501)
#define WS_EX_COMPOSITED        0x02000000L
#endif /* _WIN32_WINNT >= 0x0501 */
#if(_WIN32_WINNT >= 0x0500)
#define WS_EX_NOACTIVATE        0x08000000L
#endif /* _WIN32_WINNT >= 0x0500 */