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This article mainly introduces how to use the SetRegistryKey function, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

In the startup member function of MFC's CWinApp class, there is a SetRegistryKey function that sets a primary key for the program in the registry. Cooperate with WriteProfileInt and other functions to read and write the configuration file of the program.

SetRegistryKey (_ T (")); / / with this sentence, the read and write will / / specify its own INI file name for the INI file, otherwise the compiler will name the INI file free ((LPTSTR) theApp.m_pszProfileName); theApp.m_pszProfileName = (LPCTSTR) malloc (256); _ tcscpy ((LPTSTR) theApp.m_pszProfileName, _ T (" ScaleWeight "))

Write configuration file information as follows:

Void SecondDig::OnCancel () {CRect rect; GetWindowRect (& rect); theApp.WriteProfileInt (_ T ("InitData"), _ T ("left"), rect.left); theApp.WriteProfileInt (_ T ("InitData"), _ T ("top"), rect.top); theApp.WriteProfileInt (_ T ("InitData"), _ T ("right"), rect.right) TheApp.WriteProfileInt (_ T ("InitData"), _ T ("bottom"), rect.bottom); / / AfxMessageBox (_ T ("cancel")); / / DestroyWindow (); CDialogEx::OnCancel ();}

Read the configuration file information as follows:

BOOL SecondDig::OnInitDialog () {CDialogEx::OnInitDialog (); CRect rect; int left = theApp.GetProfileInt (_ T ("InitData"), _ T ("left"), 0); int top = theApp.GetProfileInt (_ T ("InitData"), _ T ("top"), 0); int right = theApp.GetProfileInt (_ T ("InitData"), _ T ("right"), 0) Int bottom = theApp.GetProfileInt (_ T ("InitData"), _ T ("bottom"), 0); rect.left = left; rect.top = top; rect.right = right; rect.bottom = bottom; this- > MoveWindow (& rect,true); return TRUE / / return TRUE unless you set the focus to a control / / exception: the OCX property page should return FALSE} Thank you for reading this article carefully. I hope the article "how to use the SetRegistryKey function" shared by the editor will be helpful to everyone. At the same time, I also hope that you will support and pay attention to the industry information channel. More related knowledge is waiting for you to learn!

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