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                ## ExImage_Lock ### 函數功能 鎖定圖像當前幀 ***** ### 參數信息 * HEXIMAGE(整數型) **hImage** [in]:(HEXIMAGE)圖像句柄 * [LPEXRECT](API函數/數據類型/LPEXRECT.md)(整數型) **rcLocked** [in]:(LPEXRECT)鎖定的區域指針,NULL則為整張圖片 * [EXFLAGS](API函數/數據類型/EXFLAGS.md)(整數型) **flLockType** [in]:(EXFLAGS)鎖定類型,1讀2寫3讀寫 * INT(整數型) **pxFormat** [in]:(INT)鎖定的像素格式,0為32bppPARGB * [ExImageData *](API函數/數據類型/ExImageData.md)(整數型) **pData** [out]:(ExImageData*)返回圖像鎖定數據 ***** ### 返回值 類型:EXST(整數型) 含義:返回函數的執行情況(詳見 ExStatus 的定義) ***** ### 備注 1、使用完畢后需要調用 ExImage_Unlock 解鎖 ***** ### 函數聲明 ~~~ .DLL命令 ExImage_Lock, 整數型, "ExDirectUI.dll", "ExImage_Lock", 公開, 鎖定圖像當前幀 .參數 hImage, 整數型, , [in] (HEXIMAGE)圖像句柄 .參數 rcLocked, 整數型, , [in] (LPEXRECT)鎖定的區域指針,NULL則為整張圖片 .參數 flLockType, 整數型, , [in] (EXFLAGS)鎖定類型,1讀2寫3讀寫 .參數 pxFormat, 整數型, , [in] (INT)鎖定的像素格式,0為32bppPARGB .參數 pData, 整數型, , [out] (ExImageData*)返回圖像鎖定數據 /* 鎖定圖像當前幀 */ EXST EXAPI ExImage_Lock(HEXIMAGE hImage, LPEXRECT rcLocked, EXFLAGS flLockType, INT pxFormat, ExImageData *pData); ~~~
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