Delete the registry key

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This link: https://blog.csdn.net/yujinlong312/article/details/102543654

void Ctest191014Dlg::OnBnClickedButton1()
{
	// TODO: 在此添加控件通知处理程序代码


	//TCHAR *lpszSubKey = _T("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run222");
    //LONG lRet= RegDeleteKey(HKEY_LOCAL_MACHINE, lpszSubKey);
	//if (lRet == ERROR_SUCCESS) {
	//	MessageBox(_T("删除成功"));
	//}
	//else {
	//	MessageBox(_T("删除失败"));
	//}

	//HKEY hKey = NULL;
	//TCHAR *lpszSubKey = _T("SOFTWARE\\Microsoft\\Windows\\CurrentVersion");
	//LONG lRet = RegOpenKeyEx(HKEY_LOCAL_MACHINE, lpszSubKey, 0, KEY_ALL_ACCESS, &hKey);
	//if (lRet == ERROR_SUCCESS) {
	//	MessageBox(_T("删除成功"));
	//	RegDeleteKey(hKey, _T("Run333"));
	//}
	//else {
	//	MessageBox(_T("删除失败"));
	//}

	//删除有子键的键使用SHDeleteKey
	TCHAR *lpszSubKey = _T("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run456");
	SHDeleteKey(HKEY_LOCAL_MACHINE, lpszSubKey);
}