多台显示器的显示处理

多台显示器显示有两种模式：1.克隆显示； 2.扩展显示。 

typedef struct tagMONITORINFO
{
    DWORD   cbSize;
    RECT    rcMonitor; //A RECT structure that specifies the display monitor rectangle
    RECT    rcWork; //A RECT structure that specifies the work area rectangle of the display monitor
    DWORD   dwFlags;
} MONITORINFO, *LPMONITORINFO;

typedef struct tagMONITORINFOEXA
{
    MONITORINFO;
    CHAR        szDevice[CCHDEVICENAME];
} MONITORINFOEXA, *LPMONITORINFOEXA;

typedef LPMONITORINFOEXA LPMONITORINFOEX;

typedef CArray<MONITORINFOEX*, MONITORINFOEX*> TEMP_SCREENAREAARRAY;

TEMP_SCREENAREAARRAY aWorkArea;

::EnumDisplayMonitors(NULL, NULL, Fill_ScreenArea, (LPARAM)&aWorkArea); //获取每台显示器的数据