Question

MFC中BEGIN_MESSAGE_MAP的问题

BEGIN_MESSAGE_MAP(CCameraTriggerDlg, CDialog)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
//}}AFX_MSG_MAP
ON_BN_CLICKED(IDC_BUTTON_initialization, &CCameraTriggerDlg::OnBnClickedButtonInitialization)
ON_BN_CLICKED(IDOK, &CCameraTriggerDlg::OnBnClickedOk)
ON_BN_CLICKED(IDC_BUTTON_Capture, &CCameraTriggerDlg::OnBnClickedButtonCapture)
ON_BN_CLICKED(IDC_BUTTON_Finish, &CCameraTriggerDlg::OnBnClickedButtonFinish)
ON_MESSAGE(WM_UPDATE_MESSAGE, &CCameraTriggerDlg::fresh)
END_MESSAGE_MAP()

ON_BN_CLICKED是怎么用的，括号中的参数都是什么，有什么用，满意追加财富！

Answer 1

ON_BN_CLICKED(IDOK, &CCameraTriggerDlg::OnBnClickedOk)

IDOK是按钮控件的ID，OnBnClickedOk是该按钮控件的单击响应函数。

追问

OnBnClickedButtonCapture

OnBnClickedButtonFinish

fresh
分别是什么呢

追答

这些都是对应按钮的消息响应函数的函数名啊