ON_REGISTERED_MESSAGE

// CMyMFCmsgDlg 对话框
class CMyMFCmsgDlg : public CDialogEx
{
// 构造
public:
	CMyMFCmsgDlg(CWnd* pParent = NULL);	// 标准构造函数

// 对话框数据
	enum { IDD = IDD_MYMFCMSG_DIALOG };

	protected:
	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV 支持


// 实现
protected:
	HICON m_hIcon;

	// 生成的消息映射函数
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	DECLARE_MESSAGE_MAP()
	afx_msg LRESULT OnMyMsgUnreg(WPARAM wParam, LPARAM lParam);
	afx_msg LRESULT OnMyMsgReg(WPARAM wParam, LPARAM lParam);
public:
	afx_msg void OnBnClickedButton1();
	afx_msg void OnBnClickedButton2();
};

// CMyMFCmsgDlg 对话框
#define WM_MY_MSG_UNREG WM_USER+101
static UINT NEAR MY_MSG_REG = RegisterWindowMessage(_T("MSG_REG"));

BEGIN_MESSAGE_MAP(CMyMFCmsgDlg, CDialogEx)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_MESSAGE(WM_MY_MSG_UNREG, &CMyMFCmsgDlg::OnMyMsgUnreg)
	ON_REGISTERED_MESSAGE(MY_MSG_REG, &CMyMFCmsgDlg::OnMyMsgReg)
	ON_BN_CLICKED(IDC_BUTTON1, &CMyMFCmsgDlg::OnBnClickedButton1)
	ON_BN_CLICKED(IDC_BUTTON2, &CMyMFCmsgDlg::OnBnClickedButton2)
END_MESSAGE_MAP()


afx_msg LRESULT CMyMFCmsgDlg::OnMyMsgUnreg(WPARAM wParam, LPARAM lParam)
{
	MessageBox(_T("OnMyMsgUnreg"));
	return 0;
}



afx_msg LRESULT CMyMFCmsgDlg::OnMyMsgReg(WPARAM wParam, LPARAM lParam)
{
	MessageBox(_T("OnMyMsgReg"));
	return 0;
}


void CMyMFCmsgDlg::OnBnClickedButton1()
{
	// TODO: 在此添加控件通知处理程序代码
	this->PostMessageW(WM_MY_MSG_UNREG);
}


void CMyMFCmsgDlg::OnBnClickedButton2()
{
	// TODO: 在此添加控件通知处理程序代码
	this->PostMessageW(MY_MSG_REG);
}