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C++鐨刲oadlibrary鍑芥暟鎬庝箞浣跨敤

扬州沐宇科技
2023-07-07 13:04:51
loadlibrary

鍦–++涓紝鍙互浣跨敤LoadLibrary鍑芥暟鏉ュ姞杞藉姩鎬侀摼鎺ュ簱锛圖LL锛夈€?/p>

LoadLibrary鍑芥暟鏈変互涓嬭娉曪細

HMODULE LoadLibrary(
LPCTSTR lpFileName
);

鍏朵腑锛?code>lpFileName鍙傛暟鏄竴涓寚鍚戝寘鍚獶LL鏂囦欢鍚嶇殑瀛楃涓茬殑鎸囬拡銆傚彲浠ヤ娇鐢ㄧ粷瀵硅矾寰勬垨鐩稿璺緞鏉ユ寚瀹欴LL鏂囦欢鐨勪綅缃€?/p>

LoadLibrary鍑芥暟杩斿洖涓€涓?code>HMODULE绫诲瀷鐨勫彞鏌勶紝鐢ㄤ簬鍚庣画鎿嶄綔銆?/p>

浠ヤ笅鏄竴涓娇鐢?code>LoadLibrary鍑芥暟鍔犺浇DLL鐨勭ず渚嬶細

#include <windows.h>
int main() {
HMODULE hModule = LoadLibrary("mydll.dll");
if (hModule != NULL) {
// DLL鍔犺浇鎴愬姛
// 鍙互浣跨敤GetProcAddress鍑芥暟鑾峰彇DLL涓殑鍑芥暟鍦板潃锛屽苟杩涜璋冪敤
// 渚嬪锛?/span>
FARPROC function = GetProcAddress(hModule, "MyFunction");
if (function != NULL) {
// 璋冪敤DLL涓殑鍑芥暟
// 渚嬪锛?/span>
(*function)();
}
// 浣跨敤FreeLibrary鍑芥暟閲婃斁DLL
FreeLibrary(hModule);
} else {
// DLL鍔犺浇澶辫触
// 澶勭悊閿欒
}
return 0;
}

鍦ㄤ笂杩扮ず渚嬩腑锛?code>mydll.dll鏄鍔犺浇鐨凞LL鏂囦欢鍚嶃€傞鍏堣皟鐢?code>LoadLibrary鍑芥暟鍔犺浇DLL锛屽苟灏嗚繑鍥炵殑鍙ユ焺瀛樺偍鍦?code>hModule鍙橀噺涓€傜劧鍚庯紝鍙互浣跨敤GetProcAddress鍑芥暟鑾峰彇DLL涓鍑哄嚱鏁扮殑鍦板潃锛屽苟杩涜璋冪敤銆傛渶鍚庯紝浣跨敤FreeLibrary鍑芥暟閲婃斁DLL銆?/p>

娉ㄦ剰锛氬湪浣跨敤LoadLibrary鍑芥暟鍔犺浇DLL涔嬪墠锛岄渶瑕佸寘鍚?code>windows.h澶存枃浠讹紝鍥犱负LoadLibrary鍑芥暟鏄疻indows API鐨勪竴閮ㄥ垎銆?/p>

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