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📄 treeviewappdlg.cpp

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// TreeViewAppDlg.cpp : implementation file
//

#include "stdafx.h"
#include "TreeViewApp.h"
#include "TreeViewAppDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

extern _ConnectionPtr m_pCon;
extern _RecordsetPtr m_pRecord;

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTreeViewAppDlg dialog

CTreeViewAppDlg::CTreeViewAppDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTreeViewAppDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTreeViewAppDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CTreeViewAppDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTreeViewAppDlg)
	DDX_Control(pDX, IDC_TREE1, m_treectrl);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTreeViewAppDlg, CDialog)
	//{{AFX_MSG_MAP(CTreeViewAppDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTreeViewAppDlg message handlers

BOOL CTreeViewAppDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	//创建列表视图窗口
	m_imagelist.Create(16,16,ILC_COLOR24|ILC_MASK,1,0);
	
	//向图像列表中添加图标
	m_imagelist.Add(AfxGetApp()->LoadIcon(IDI_ICON1));
	m_imagelist.Add(AfxGetApp()->LoadIcon(IDI_ICON2));
	m_imagelist.Add(AfxGetApp()->LoadIcon(IDI_ICON3));
	
	//关联图像列表
	m_treectrl.SetImageList(&m_imagelist,TVSIL_NORMAL);

	//添加根节点
	h_root = m_treectrl.InsertItem("药品类别",0,1);

	CString str;
	//查询父类药品名称
	m_pRecord = m_pCon->Execute("select * from leechdomkind where parenttype is null",0,adCmdText);

	HTREEITEM h_parent;
	while (! m_pRecord->ADOEOF)
	{
		str = (TCHAR*)(_bstr_t)m_pRecord->GetFields()->GetItem("leechdomtype")->Value;
		h_parent = m_treectrl.InsertItem(str,0,1,h_root);
		//将所有子节点添加到父节点下
		FindNode(h_parent,str);
		m_pRecord->MoveNext();
	}

	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CTreeViewAppDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CTreeViewAppDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CTreeViewAppDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}
/*************************************************************
功能描述: 利用递归遍历父节点下的所有子节点

参数说明: h_parent标识父节点句柄,str标识父节点文本
*************************************************************/
void CTreeViewAppDlg::FindNode(HTREEITEM h_parent, CString str)
{
	_ConnectionPtr tempcon;
	_RecordsetPtr temprecord;
	
	tempcon.CreateInstance("ADODB.connection");
	temprecord.CreateInstance("ADODB.recordset");

	tempcon->ConnectionString = m_pCon->ConnectionString;
	tempcon->Open("","","",-1);
	
	CString sql;
	sql.Format("select * from leechdomkind where parenttype = '%s'",str);
	temprecord = tempcon->Execute((_bstr_t)sql,0,adCmdText);
	CString name;
	HTREEITEM h_temp;
	while (! temprecord->ADOEOF)
	{
	
		name =(TCHAR*)(_bstr_t) temprecord->GetFields()->GetItem("leechdomtype")->Value;
		h_temp = m_treectrl.InsertItem(name,0,1,h_parent);
		FindNode(h_temp,name);
		temprecord->MoveNext();
	}

}

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