VC资源分配、释放表

资源

分配函数

清除函数

需要手动清除

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

CommsPorts

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

DialogBox

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

GDIStockObj

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

从CGdiObject类派生的类如CFont CBrush，析构时会自动DeleteObject。但是在销毁对象之前，要先把对象从DC中选出（否则DeleteObject会失败）。

*位图资源在释放的时候必须从选中它的DC中脱离。
%当菜单失去焦点和窗口不再关联或者应用程序结束的时候占用资源必须被释放。
@DC被释放前必须和它关联（选中）的位图取消联系
#如果脱字符指定了位图，位图必须被释放
&对DeleteObject的调用不会销毁常规的StockObject（系统内定资源）