connectdlg.cpp

VC 编写的OPC客户端

// ConnectDlg.cpp : 实现文件
//

#include "stdafx.h"
#include "SuperOPC.h"
#include "ConnectDlg.h"
#include "HotOpcServer.h"
#include ".\connectdlg.h"


// CConnectDlg 对话框

IMPLEMENT_DYNAMIC(CConnectDlg, CDialog)
CConnectDlg::CConnectDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CConnectDlg::IDD, pParent)
	, m_strSerName(_T(""))
	, m_strRemoteName(_T(""))
{
}

CConnectDlg::~CConnectDlg()
{
}

void CConnectDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Control(pDX, IDC_TREE2, m_trServerList);
	DDX_Control(pDX, IDC_EDIT1, m_ceSerNameCtl);
	DDX_Text(pDX, IDC_EDIT1, m_strSerName);
	DDX_Text(pDX, IDC_EDIT2, m_strRemoteName);
}


BEGIN_MESSAGE_MAP(CConnectDlg, CDialog)
	ON_NOTIFY(TVN_SELCHANGED, IDC_TREE2, OnTvnSelchangedTree2)
END_MESSAGE_MAP()


// CConnectDlg 消息处理程序

BOOL CConnectDlg::OnInitDialog()
{
	CWaitCursor wc;
	CDialog::OnInitDialog();

	HTREEITEM hRoot = m_trServerList.InsertItem(_T("OPC DA 服务列表"));
	CHotOpcServer *pServer;
	pServer = new CHotOpcServer();
	ASSERT(pServer);
	//加1.0
	int a = pServer->DisplayComponent(FALSE);
	HTREEITEM hParent = m_trServerList.InsertItem(_T("OPC DA 服务1.0"),hRoot);
	CString sSer = _T("");
	for (int j = 0; j < a ;j++)
	{
		sSer = pServer->GetServerNameByIndex(j);
		m_trServerList.InsertItem(sSer,hParent);
	}
	//加2.0
	a = pServer->DisplayComponent();
	hParent = m_trServerList.InsertItem(_T("OPC DA 服务2.0"),hRoot);
	sSer = _T("");
	for (j = 0; j < a ;j++)
	{
		sSer = pServer->GetServerNameByIndex(j);
		m_trServerList.InsertItem(sSer,hParent);
	}
	//加通用
	a = pServer->GetServerCount();
	hParent = m_trServerList.InsertItem(_T("OPC DA 通用服务"),hRoot);
	sSer = _T("");
	for (j = 0; j < a ;j++)
	{
		sSer = pServer->GetServerNameByIndex(j);
		m_trServerList.InsertItem(sSer,hParent);
	}
	m_strSerName = sSer;
	UpdateData(FALSE);
	//
	SAFE_DELETE(pServer);


	return TRUE;  // return TRUE unless you set the focus to a control
	// 异常: OCX 属性页应返回 FALSE
}

void CConnectDlg::OnTvnSelchangedTree2(NMHDR *pNMHDR, LRESULT *pResult)
{
	LPNMTREEVIEW pNMTreeView = reinterpret_cast<LPNMTREEVIEW>(pNMHDR);

	// see if it was a server selection (i.e, has a parent item)
	// Update page is server was selected (non-NULL parent item):
	if ((m_trServerList.GetParentItem (pNMTreeView->itemNew.hItem) != NULL) &&
		m_trServerList.GetChildItem(pNMTreeView->itemNew.hItem) == NULL)
	{
		// Transfer selection to ProgID edit control:
		m_strSerName = m_trServerList.GetItemText (pNMTreeView->itemNew.hItem);

		// Update controls:
		UpdateData (FALSE);

		// Make sure selected server is visible:
		m_trServerList.EnsureVisible (pNMTreeView->itemNew.hItem); 
	}


	*pResult = 0;
}