关于内存泄漏的问题-哪些变量需要释放

关于内存泄漏的问题-哪些变量需要释放推荐解答: 
Resource        Allocation Routine        Cleanup Routine      Cleanup Required?
================================================================================
Accelerators    LoadAccelerators          N/A                  No
Atoms           GlobalAddAtom             GlobalFreeAtom       Yes
Bitmaps         CreateBitmap              DeleteObject         Yes *
                CreateBitmapIndirect      DeleteObject         Yes *
                CreateCompatibleBitmap    DeleteObject         Yes *
                CreateDIBitmap            DeleteObject         Yes *
                CreateDiscardableBitmap   DeleteObject         Yes *
                LoadBitmap                DeleteObject         Yes *
Brushes         CreateBrushIndirect       DeleteObject         Yes
                CreateDIBPatternBrush     DeleteObject         Yes
                CreateHatchBrush          DeleteObject         Yes
                CreatePatternBrush        DeleteObject         Yes
                CreateSolidBrush          DeleteObject         Yes
Carets          CreateCaret               DestroyCaret         No #
Clipboard       OpenClipboard             CloseClipboard       Yes
Comms Ports     OpenComm                  CloseComm            Yes
Cursor          CreateCursor              DestroyCursor        Yes
                LoadCursor                N/A                  No
DC              CreateDC                  DeleteDC             Yes
                CreateCompatibleDC        DeleteDC             Yes @
                GetDC                     ReleaseDC            Yes
                GetWindowDC               ReleaseDC            Yes
                BeginPaint                EndPaint             Yes
Dialog Box      CreateDialog              DestroyWindow        No
                CreateDialogIndirect      DestroyWindow        No
                CreateDialogIndirectParam DestroyWindow        No
                CreateDialogParam         DestroyWindow        No
File            OpenFile                  _lclose              No
Fonts           CreateFont                DeleteObject         Yes
                CreateFontIndirect        DeleteObject         Yes
                AddFontResource           RemoveFontResource   Yes
GDI Stock Obj   GetStockObject            N/A                  No &
Hook            SetWindowsHook            UnhookWindowsHook    Yes
IC              CreateIC                  DeleteDC             Yes
Icon            CreateIcon                DestroyIcon          Yes
                LoadIcon                  N/A                  No
Library         LoadLibrary               FreeLibrary          Yes
Memory          AllocDStoCSAlias          FreeSelector         Yes
                AllocSelector             FreeSelector         Yes
                GlobalAlloc               GlobalFree           No
                GlobalDOSAlloc            GlobalDOSFr          No
                GlobalFix                 GlobalUnfix          No
                GlobalLock                GlobalUnlock         No
                GlobalPageLock            GlobalPageUnlock     No
                GlobalRealloc             GlobalFree           No
                GlobalWire                GlobalUnwire         No
                LocalAlloc                LocalFree            No
                LocalLock                 LocalUnlock          No
                LocalRealloc              LocalFree            No
Menu            CreateMenu                DestroyMenu          No %
                CreatePopupMenu           DestroyMenu          No %
                LoadMenu                  DestroyMenu          No %
                LoadMenuIndirect          DestroyMenu          No %
                GetSystemMenu             N/A                  No
MetaFile        CreateMetaFile            DeleteMetaFile       Yes
Palette         CreatePalette             DeleteObject         Yes
Pen             CreatePen                 DeleteObject         Yes
                CreatePenIndirect         DeleteObject         Yes
Regions         CreateEllipticRgn         DeleteObject         Yes
                CreateEllipticRgnIndirect DeleteObject         Yes
                CreatePolygonRgn          DeleteObject         Yes
                CreatePolyPolygonRgn      DeleteObject         Yes
                CreateRectRgn             DeleteObject         Yes
                CreateRectRgnIndirect     DeleteObject         Yes
                CreateRoundRectRgn        DeleteObject         Yes
Resource        AllocResource             FreeResource         No
                FindResource              N/A                  No
                LoadResource              FreeResource         No
                LockResource              UnlockResource       No
Sound           OpenSound                 CloseSound           Yes
String          LoadString                N/A                  No
Thunk           MakeProcInstance          FreeProcInstance     No
Timer           SetTimer                  KillTimer            No
Window          CreateWindow              DestroyWindow        No
                CreateWindowEx            DestroyWindow        No
Notes:
------
*   Bitmaps must be disconnected from a DC before being freed.
%   Menus must be freed before an application exits if the menu is not
    connected to any window.
@   A DC must be disconnected from bitmaps before being freed.
#   If a bitmap is specified for the Caret, it must be freed.
&   Calls to DeleteObject do not harm stock objects.
原文地址:https://www.cnblogs.com/mforestlaw/p/3672556.html