我試圖在我的文章中獲取有關已安裝應用程序的詳細信息。而且,我發現了以下錯誤:錯誤:LNK1120:5個未解析的外部信息
代碼:
#include <iostream>
#include <string>
#include <windows.h>
using namespace std;
#ifdef _UNICODE
#define tcout wcout
#define tstring wstring
#else
#define tcout cout
#define tstring string
#endif
tstring RegistryQueryValue(HKEY hKey,
LPCTSTR szName)
{
tstring value;
DWORD dwType;
DWORD dwSize = 0;
if (::RegQueryValueEx(
hKey, // key handle
szName, // item name
NULL, // reserved
&dwType, // type of data stored
NULL, // no data buffer
&dwSize // required buffer size
) == ERROR_SUCCESS && dwSize > 0)
{
value.resize(dwSize);
::RegQueryValueEx(
hKey, // key handle
szName, // item name
NULL, // reserved
&dwType, // type of data stored
(LPBYTE)&value[0], // data buffer
&dwSize // available buffer size
);
}
return value;
}
void RegistryEnum()
{
HKEY hKey;
LONG ret = ::RegOpenKeyEx(
HKEY_LOCAL_MACHINE, // local machine hive
__TEXT("Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall"), // uninstall key
0, // reserved
KEY_READ, // desired access
&hKey // handle to the open key
);
if (ret != ERROR_SUCCESS)
return;
DWORD dwIndex = 0;
DWORD cbName = 1024;
TCHAR szSubKeyName[1024];
while ((ret = ::RegEnumKeyEx(
hKey,
dwIndex,
szSubKeyName,
&cbName,
NULL,
NULL,
NULL,
NULL)) != ERROR_NO_MORE_ITEMS)
{
if (ret == ERROR_SUCCESS)
{
HKEY hItem;
if (::RegOpenKeyEx(hKey, szSubKeyName, 0, KEY_READ, &hItem) != ERROR_SUCCESS)
continue;
tstring name = RegistryQueryValue(hItem, __TEXT("DisplayName"));
tstring publisher = RegistryQueryValue(hItem, __TEXT("Publisher"));
tstring version = RegistryQueryValue(hItem, __TEXT("DisplayVersion"));
tstring location = RegistryQueryValue(hItem, __TEXT("InstallLocation"));
if (!name.empty())
{
tcout << name << endl;
tcout << " - " << publisher << endl;
tcout << " - " << version << endl;
tcout << " - " << location << endl;
tcout << endl;
}
::RegCloseKey(hItem);
}
dwIndex++;
cbName = 1024;
}
::RegCloseKey(hKey);
}
void main(){
RegistryEnum();
}
錯誤:
LNK1120: 5 unresolved externals
LNK2019: unresolved external symbol _imp[email protected] referenced in function "void __cdecl RegistryEnum(void)" ([email protected]@YAXXZ)
LNK2019: unresolved external symbol _imp[email protected] referenced in function "void __cdecl RegistryEnum(void)" ([email protected]@YAXXZ)
LNK2019: unresolved external symbol _imp[email protected] referenced in function "void __cdecl RegistryEnum(void)" ([email protected]@YAXXZ)
LNK2019: unresolved external symbol [email protected] referenced in function "class std::basic_string,class std::allocator > __cdecl RegistryQueryValue(struct HKEY *,wchar_t const *)" ([email protected]@[email protected][email protected][email protected]@@[email protected][email protected]@@[email protected]@PAUHKEY[email protected]@[email protected])
LNK2019: unresolved external symbol [email protected] referenced in function __tmainCRTStartup
如何我可以解決這個問題嗎?
他們正在鏈接相關的錯誤。在其他依賴性選項卡中添加Advapi32.lib(或現在提供的任何名稱)。錯誤表示IDE無法找到提供函數的*庫*。 – SChepurin
我試圖像這樣添加它,'#pragma comment(lib,「Advapi32.lib」)' – user3296338
好吧。它在VC++ 2010中建立良好。沒有什麼花哨。 – SChepurin