querysoftinfo.rar_lowe_softapi.info_已安装软件

C与MFC获取系统已安装软件信息.txt求而不得，舍而不能，得而不惜，这是人最大的悲哀。付出真心才能得到真心，却也可能伤得彻底。保持距离也就能保护自己，却也注定永远寂寞。#include "iostream" #include <windows.h> #include <tchar.h> using namespace std; LRESULT GetValue(HKEY hKey, LPCTSTR name, LPTSTR value, LPLONG size) { return ::RegQueryValueEx(hKey, name, NULL, NULL, (LPBYTE)value, (LPDWORD)size); } void DumpSoftware(LPCTSTR szKey , HKEY hParent) { LRESULT lr; HKEY hKey; LONG size; TCHAR buffer[MAX_PATH] ; lr = RegOpenKey(hParent, szKey, &hKey); //不能打开注册表 if(lr != ERROR_SUCCESS) { cout << _T("不能打开注册表！") << szKey << _T("(") << lr << _T(")") << endl; return; } size = sizeof(buffer); lr = GetValue(hKey, _T("DisplayName"), &buffer[0], &size); //注册表打开成功 if(lr == ERROR_SUCCESS) { if(size > 0) { cout << _T("显示名字：" ) << buffer << endl; } } else { size = sizeof(buffer); lr = GetValue(hKey, _T("QuietDisplayName"), &buffer[0], &size); if(ERROR_SUCCESS== lr && size > 0 ) { cout << _T("显示名字：" ) << buffer << endl; } } size = sizeof(buffer); lr = GetValue(hKey, _T("DisplayVersion"), &buffer[0], &size); //获取软件版本号 if(ERROR_SUCCESS == lr && size > 0) { cout << _T("软件版本号：") << buffer << endl; } size = sizeof(buffer); lr = GetValue(hKey, _T("Publisher"), &buffer[0], &size); //软件开发商 if(ERROR_SUCCESS == lr && size > 0) { cout << _T("开发商：") << buffer << endl; } size = sizeof(buffer); lr = GetValue(hKey, _T("InstallLocation"), &buffer[0], &size); //获取安装路径 if(ERROR_SUCCESS == lr && size > 0) { cout << _T("安装路径：") << buffer << endl; } size = sizeof(buffer); lr = GetValue(hKey, _T("InstallSource"), &buffer[0], &size); //获取安装源 if(ERROR_SUCCESS == lr && size > 0) { cout << _T("安装源：") << buffer << endl; } size = sizeof(buffer); lr = GetValue(hKey, _T("UninstallPath"), &buffer[0], &size); //获取卸载路径 if(ERROR_SUCCESS == lr && size > 0) { cout << _T("卸载路径：") << buffer << endl; } size = sizeof(buffer); lr = GetValue(hKey, _T("UninstallString"), &buffer[0], &size); //软件卸载命令 if(ERROR_SUCCESS == lr && size > 0) { cout << _T("软件卸载命令：") << buffer << endl; } RegCloseKey(hKey); } int main(int argc, char* argv[]) { unsigned long index; TCHAR buffer[MAX_PATH]; HKEY hKey; LRESULT lr; lr = RegOpenKey(HKEY_LOCAL_MACHINE, _T("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall"), & hKey); if(lr != ERROR_SUCCESS) { cout << _T("不能打开注册表！") << lr << endl; return -1; } for(index =0; ;index++) { lr = RegEnumKey(hKey, index, &buffer[0], sizeof(buffer)); switch(lr) { case ERROR_SUCCESS: DumpSoftware(buffer,hKey); break; case ERROR_NO_MORE_ITEMS: cout<<_T("完成软件搜索！") << endl; RegCloseKey(hKey); return 0; default: cout<<_T("未能完成软件搜索！") << lr << endl; RegCloseKey(hKey); return -2; } } cout<<_T("完成软件搜索！") << endl; RegCloseKey(hKey); return 0; }