Regopenkeyex precautions for 64-bit and 32-bit System Programming

Regopenkeyex

Install a 32-bit application on a 64-bit SystemProgramAn example of the 64-bit path of the Registry written by the application is as follows:

HKEY_LOCAL_MACHINE \ SOFTWARE \Wow6432node\ Tencent \ qq2009

At this time, if we write a 32-bit application to read it, it is not the following path:

HKEY_LOCAL_MACHINE \ SOFTWARE \ Tencent \ qq2009

Be sure to addWow6432nodeFor a 64-bit application, directly use the path:

HKEY_LOCAL_MACHINE \ SOFTWARE \ Tencent \ qq2009.

 

In a word, the 32-bit application and registry path are redirectedWow6432node.