SNMP编程

开发平台：

Visual C++

PointInfo.cpp：源码内容

							// PointInfo.cpp : implementation file
//
#include "stdafx.h"
#include "exam3.h"
#include "PointInfo.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CPointInfo dialog
CPointInfo::CPointInfo(CWnd* pParent /*=NULL*/)
	: CDialog(CPointInfo::IDD, pParent)
{
	//{{AFX_DATA_INIT(CPointInfo)
	m_strMouseX = _T("");
	m_strMouseY = _T("");
	//}}AFX_DATA_INIT
	m_pParentWnd=pParent;
}
void CPointInfo::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPointInfo)
	DDX_Control(pDX, IDC_POINT_LIST, m_List);
	DDX_Text(pDX, IDC_MOUSE_X, m_strMouseX);
	DDX_Text(pDX, IDC_MOUSE_Y, m_strMouseY);
	//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CPointInfo, CDialog)
	//{{AFX_MSG_MAP(CPointInfo)
	ON_BN_CLICKED(IDC_DELETE, OnDelete)
	ON_BN_CLICKED(IDC_CLOSE, OnClose)
	ON_MESSAGE(WM_ADD_POINT,OnAddPoint)
	ON_MESSAGE(WM_MOUSE_CHANGED,OnMouseChanged)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CPointInfo message handlers
void CPointInfo::OnDelete() 
{
	int index=m_List.GetCurSel();
	if(index==LB_ERR) return;
	m_List.DeleteString(index);
	m_pParentWnd->SendMessage(WM_DELETE_POINT,0,(LPARAM)index);
}
void CPointInfo::OnClose() 
{
	ShowWindow(SW_HIDE);
	
}
void CPointInfo::OnAddPoint(WPARAM wParam,LPARAM lParam)
{
	int x=LOWORD(lParam);
	int y=HIWORD(lParam);
	CString szString;
	szString.Format("(%d,%d)",x,y);
	m_List.AddString(szString);
}
void CPointInfo::OnMouseChanged(WPARAM wParam,LPARAM lParam)
{
	int x=LOWORD(lParam);
	int y=HIWORD(lParam);
	m_strMouseX.Format("x= %d",x);
	m_strMouseY.Format("y= %d",y);
	UpdateData(FALSE);
}

						