windows程序设计-Window结构.docVIP

typedef struct _WINDOW_OBJECT { /* Pointer to the thread information */ PW32THREADINFO ti; /* Pointer to the desktop */ PDESKTOP Desktop; union { /* Pointer to a call procedure handle */ PCALLPROC CallProc; /* Extra Wnd proc (windows of system classes) */ WNDPROC WndProcExtra; }; /* Pointer to another call procedure handle (used for returning the previous window proc in SetWindowLongPtr) */ PCALLPROC CallProc2; /* Indicates whether the window is derived from a system class */ BOOL IsSystem; /* Pointer to the window class. */ PWINDOWCLASS Class; /* Extended style. */ DWORD ExStyle; /* Window name. */ UNICODE_STRING WindowName; /* Style. */ DWORD Style; /* Context help id */ DWORD ContextHelpId; /* system menu handle. */ HMENU SystemMenu; /* Handle of the module that created the window. */ HINSTANCE Instance; /* Entry in the threads list of windows. */ LIST_ENTRY ListEntry; /* Pointer to the extra data associated with the window. */ PCHAR ExtraData; /* Size of the extra data associated with the window. */ ULONG ExtraDataSize; /* Position of the window. */ RECT WindowRect; /* Position of the windows client area. */ RECT ClientRect; /* Handle for the window. */ HWND hSelf; /* Window flags. */ ULONG Flags; /* Window menu handle or window id */ UINT IDMenu; /* Handle of region of the window to be updated. */ HANDLE UpdateRegion; /* Handle of the window region. */ HANDLE WindowRegion; /* Pointer to the owning threads message queue. */ PUSER_MESSAGE_QUEUE MessageQueue; struct _WINDOW_OBJECT* FirstChild; struct _WINDOW_OBJECT* LastChild; struct _WINDOW_OBJECT* NextSibling; struct _WINDOW_OBJECT* PrevSibling; /* Entry in the list of thread windows. */ LIST_ENTRY ThreadListEntry; /* Handle to the parent window. */ struct _WINDOW_OBJECT* Parent; /* Handle to the owner window. */ HWND hOwner; /* DC Entries (DCE) */ PDCE Dce; /* Property lis