typedef struct _SHELLEXECUTEINFOW
{
    DWORD cbSize;               // in, required, sizeof of this structure
    ULONG fMask;                // in, SEE_MASK_XXX values
    HWND hwnd;                  // in, optional
    LPCWSTR  lpVerb;            // in, optional when unspecified the default verb is choosen
    LPCWSTR  lpFile;            // in, either this value or lpIDList must be specified
    LPCWSTR  lpParameters;      // in, optional
    LPCWSTR  lpDirectory;       // in, optional
    int nShow;                  // in, required
    HINSTANCE hInstApp;         // out when SEE_MASK_NOCLOSEPROCESS is specified
    void *lpIDList;             // in, valid when SEE_MASK_IDLIST is specified, PCIDLIST_ABSOLUTE, for use with SEE_MASK_IDLIST & SEE_MASK_INVOKEIDLIST
    LPCWSTR  lpClass;           // in, valid when SEE_MASK_CLASSNAME is specified
    HKEY hkeyClass;             // in, valid when SEE_MASK_CLASSKEY is specified
    DWORD dwHotKey;             // in, valid when SEE_MASK_HOTKEY is specified
    union                       
    {                           
        HANDLE hIcon;           // not used
        HANDLE hMonitor;        // in, valid when SEE_MASK_HMONITOR specified
    } DUMMYUNIONNAME;           
    HANDLE hProcess;            // out, valid when SEE_MASK_NOCLOSEPROCESS specified
} SHELLEXECUTEINFOW, *LPSHELLEXECUTEINFOW;