/* 讀取系統的環境變數 */ TCHAR EnvVar[ 1024+1 ] = {0}; ::GetEnvironmentVariable(_T("Path"), EnvVar, _countof(EnvVar)); MessageBox(EnvVar); /* 取得目前的 working directory */ TCHAR CurrentWorkingDir[MAX_PATH] = ""; if (!::GetCurrentDirectory(sizeof(CurrentWorkingDir) - 1, CurrentWorkingDir)) { MessageBox(CurrentWorkingDir); } else { ::GetLastError(); } /* 設定系統的環境變數 */ SetEnvironmentVariable(_T("Path"), EnvVar);
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