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雲淡風清
Apr 26, 2001, 9:43:16 PM4/26/01
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請問一下,在Windows中有些API中內傳的參數會標明in,out,但有些API則不會,
這些未標明的API到底是in 還是out???
舉例
int MessageBox(
HWND hWnd, // handle to owner window
LPCTSTR lpText, // text in message box
LPCTSTR lpCaption, // message box title
UINT uType // message box style
);
以下則為未標明知API
LONG WINAPI lineInitializeEx(
LPHLINEAPP lphLineApp,
HINSTANCE hInstance,
LINECALLBACK lpfnCallback,
LPCSTR lpszFriendlyAppName,
LPDWORD lpdwNumDevs,
LPDWORD lpdwAPIVersion,
LPLINEINITIALIZEEXPARAMS lpLineInitializeExParams
);
--
[1;33m※ Origin: [36mYahoo!奇摩 大摩域 [37m<telnet://bbs.kimo.com.tw> [m
[1;35m◆ From: [1;32m203.65.222.212 [m
這些未標明的API到底是in 還是out???
舉例
int MessageBox(
HWND hWnd, // handle to owner window
LPCTSTR lpText, // text in message box
LPCTSTR lpCaption, // message box title
UINT uType // message box style
);
以下則為未標明知API
LONG WINAPI lineInitializeEx(
LPHLINEAPP lphLineApp,
HINSTANCE hInstance,
LINECALLBACK lpfnCallback,
LPCSTR lpszFriendlyAppName,
LPDWORD lpdwNumDevs,
LPDWORD lpdwAPIVersion,
LPLINEINITIALIZEEXPARAMS lpLineInitializeExParams
);
--
[1;33m※ Origin: [36mYahoo!奇摩 大摩域 [37m<telnet://bbs.kimo.com.tw> [m
[1;35m◆ From: [1;32m203.65.222.212 [m
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