sdgdbhdlg1.cpp

这是一套学校设备管理系统的源码 里面有树形结构使用的很棒的方法

// sdgdbhdlg1.cpp : implementation file
//

#include "stdafx.h"
#include "xxgl.h"
#include "sdgdbhdlg1.h"

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

/////////////////////////////////////////////////////////////////////////////
// Csdgdbhdlg1 dialog

static cur_focus;

switch_to_english_mode(CWnd *wnd);
switch_to_chinese_mode(CWnd *wnd);
Set_to_item_end(CWnd *wd,int id);

Csdgdbhdlg1::Csdgdbhdlg1(CWnd* pParent /*=NULL*/)
	: CDialog(Csdgdbhdlg1::IDD, pParent)
{
	//{{AFX_DATA_INIT(Csdgdbhdlg1)
	m_jsgdbh = _T("");
	m_qsgdbh = _T("");
	//}}AFX_DATA_INIT
	cur_focus = 0;
}


void Csdgdbhdlg1::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(Csdgdbhdlg1)
	DDX_Text(pDX, IDC_jsgdbh, m_jsgdbh);
	DDX_Text(pDX, IDC_qsgdbh, m_qsgdbh);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(Csdgdbhdlg1, CDialog)
	//{{AFX_MSG_MAP(Csdgdbhdlg1)
	ON_EN_CHANGE(IDC_qsgdbh, OnChangeqsgdbh)
	ON_EN_CHANGE(IDC_jsgdbh, OnChangejsgdbh)
	ON_EN_SETFOCUS(IDC_jsgdbh, OnSetfocusjsgdbh)
	ON_EN_SETFOCUS(IDC_qsgdbh, OnSetfocusqsgdbh)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// Csdgdbhdlg1 message handlers

void Csdgdbhdlg1::OnChangeqsgdbh() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	char buf[20];

	GetDlgItemText(IDC_qsgdbh,buf,20);

    int l,i;
    l = strlen(buf);
	if (l > 6){
		buf[6] = 0;
		SetDlgItemText(IDC_qsgdbh,buf);
        Set_to_item_end(this,IDC_qsgdbh);
    }
	if (l > 0){
		for (i=0;i<l;i++){
	      if ((buf[i] < '0')||(buf[i] > '9')){
		    buf[i] = 0;
		    SetDlgItemText(IDC_qsgdbh,buf);
            Set_to_item_end(this,IDC_qsgdbh);
		  }
		}
	}
	
}

void Csdgdbhdlg1::OnChangejsgdbh() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	char buf[20];

	GetDlgItemText(IDC_jsgdbh,buf,20);

    int l,i;
    l = strlen(buf);
	if (l > 6){
		buf[6] = 0;
		SetDlgItemText(IDC_jsgdbh,buf);
        Set_to_item_end(this,IDC_jsgdbh);
    }
	if (l > 0){
		for (i=0;i<l;i++){
	      if ((buf[i] < '0')||(buf[i] > '9')){
		    buf[i] = 0;
		    SetDlgItemText(IDC_jsgdbh,buf);
            Set_to_item_end(this,IDC_jsgdbh);
		  }
		}
	}
	
}

void Csdgdbhdlg1::OnOK() 
{
	// TODO: Add extra validation here
	
	char buf[20];
	CWnd *wn_qsgdbh;
	CWnd *wn_jsgdbh;
	long bl,el;
	CWnd *wn_cur;
	CWnd *wn_ok;

	wn_qsgdbh = GetDlgItem(IDC_qsgdbh);
	wn_jsgdbh = GetDlgItem(IDC_jsgdbh);
	wn_ok = GetDlgItem(IDOK);
	wn_cur = GetFocus();
	if (wn_cur->m_hWnd != wn_ok->m_hWnd){
	  if (cur_focus == 1){
        wn_jsgdbh->SetFocus();
	    return ;
	  }
    }

	GetDlgItemText(IDC_qsgdbh,buf,20);
    if ((strlen(buf) != 6)&&(buf[0] != 0)){
		MessageBox("起始固定编号错误.",MB_OK);
        wn_qsgdbh->SetFocus();
		return;
    }
	GetDlgItemText(IDC_jsgdbh,buf,20);
    if ((strlen(buf) != 6)&&(buf[0] != 0)){
		MessageBox("结束固定编号错误.",MB_OK);
        wn_jsgdbh->SetFocus();
		return;
    }

	GetDlgItemText(IDC_qsgdbh,buf,20);
	bl = atol(buf);
	GetDlgItemText(IDC_jsgdbh,buf,20);
	el = atol(buf);
	if ((bl > el)&&(bl != 0)&&(el != 0)){
		MessageBox("输入的起始编号大于结束编号,请重新输入.","",MB_OK);
        wn_qsgdbh->SetFocus();
		return;
    }

	CDialog::OnOK();
}

void Csdgdbhdlg1::OnSetfocusjsgdbh() 
{
	// TODO: Add your control notification handler code here
	CWnd *wnd;

	wnd = GetDlgItem(IDC_jsgdbh);
    switch_to_english_mode(wnd);
	cur_focus = 2;
}

void Csdgdbhdlg1::OnSetfocusqsgdbh() 
{
	// TODO: Add your control notification handler code here
	CWnd *wnd;

	wnd = GetDlgItem(IDC_qsgdbh);
    switch_to_english_mode(wnd);
	cur_focus = 1;	
}

void Csdgdbhdlg1::OnTab() 
{
	// TODO: Add your control notification handler code here
	CWnd *wn_jsgdbh;

	wn_jsgdbh = GetDlgItem(IDC_jsgdbh);
	if (cur_focus == 1){
      wn_jsgdbh->SetFocus();
	  return ;
    }	
}