获取Win32注册表值 [英] Get win32 registry value

问题描述

我们如何解析

How can we parse

RegOpenKeyEx(HKEY_LOCAL_MACHINE,L"SYSTEM\\CurrentControlSet\\Enum\\BTHENUM\\{00001101-0000-1000-8000-00805f9b34fb}_LOCALMFG&000f\\9&3408FE52&0&646E6C00E02E_C00000000\\Device Parameters", 0, KEY_QUERY_VALUE, &hKey)  )

这样我们就可以将其用于每个GUID(将可用的guid遍历到DeviceParameters)

SYSTEM \\ CurrentControlSet \\ Enum \\ BTHENUM \\ [GUID1 ... x] \\ [Somenumber] \\ DeviceParameters


目前，我能够针对单个硬编码的GUID值执行此操作，但是GUID可能因计算机而异，因此我想使其成为动态GUID解析.

so that we can use it for each GUID (traversing available guid to DeviceParameters )

SYSTEM\\CurrentControlSet\\Enum\\BTHENUM\\[GUID1...x]\\[Somenumber]\\DeviceParameters


Currently i am able to do it for single hard coded GUID value but GUID may differ machine to machine so i want to make it dynamic GUID parsing.

LPCTSTR const lpValueName = L"PortName";
	  HKEY  hKey       = NULL; 
	  
   if(ERROR_SUCCESS != RegOpenKeyEx(HKEY_LOCAL_MACHINE,L"SYSTEM\\CurrentControlSet\\Enum\\BTHENUM\\{00001101-0000-1000-8000-00805f9b34fb}_LOCALMFG&000f\\9&3408FE52&0&646E6C00E02E_C00000000\\Device Parameters", 0, KEY_QUERY_VALUE, &hKey)  )
       return 1;
  

   DWORD dwDataType = 0;
   LPBYTE lpValue   = NULL;

   RegQueryValueEx(  hKey, 
                     lpValueName,
                     0,
                     &dwDataType,
                     lpValue,  // NULL
                     &dwSize); // will contain the data size
	

   // Alloc the buffer
   lpValue = (LPBYTE)malloc(dwSize);

   // Call twice RegQueryValueEx to get the value
   int lRet = RegQueryValueEx(hKey, 
                            lpValueName,
                            0,
                            &dwDataType,
                            lpValue,
                            &dwSize);
	RegCloseKey(hKey);

在此先感谢:)

Thanks in advance :)

推荐答案

看一下有关如何遍历注册表的示例的链接:
http://msdn.microsoft.com/en-us/library/df4afx57.aspx [ ^ ]

http://www.codeguru.com/cpp/wp/system/registry/article. php/c5671 [ ^ ]

祝你好运！

Have a look at the links with some examples of how to traverse the registry:
http://msdn.microsoft.com/en-us/library/df4afx57.aspx[^]

http://www.codeguru.com/cpp/w-p/system/registry/article.php/c5671[^]

Good luck!

使用 RegEnumKeyEx [ ^ ] ，以及其他任何枚举功能来查找您感兴趣的元素.

Use RegEnumKeyEx[^], and any of the other enumeration functions to find the elements that you are interested in.

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