sdssbmdlg.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

// sdssbmdlg.cpp : implementation file
//

#include "stdafx.h"
#include "xxgl.h"
#include "sdssbmdlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// Csdssbmdlg dialog
extern char g_yszmcx_xzssbm_name[100];
extern char g_bmsz_name[200][100];
extern int g_end_bmsz;

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

Csdssbmdlg::Csdssbmdlg(CWnd* pParent /*=NULL*/)
	: CDialog(Csdssbmdlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(Csdssbmdlg)
	//}}AFX_DATA_INIT
}


void Csdssbmdlg::DoDataExchange(CDataExchange* pDX)
{
	FILE *fpe;
	int i,ret;
	char buf[100];

	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(Csdssbmdlg)
	DDX_Control(pDX, IDC_ssbm, m_ssbm);
	//}}AFX_DATA_MAP
	fpe = fopen("c:\\xxsbgl\\bmsz.txt","rb");
	g_end_bmsz = 0;
	if (fpe != NULL){
	  ret = fscanf(fpe,"%s\n",buf);
	  while (ret > 0){
		if (strlen(buf) != 0){
          strcpy(g_bmsz_name[g_end_bmsz],buf);
          g_end_bmsz ++;
        }
	    ret = fscanf(fpe,"%s\n",buf);
	  }
	  fclose(fpe);
    }
	for (i=0;i<g_end_bmsz;i++){
		m_ssbm.AddString(g_bmsz_name[i]);
    }
}


BEGIN_MESSAGE_MAP(Csdssbmdlg, CDialog)
	//{{AFX_MSG_MAP(Csdssbmdlg)
	ON_CBN_EDITCHANGE(IDC_ssbm, OnEditchangessbm)
	ON_CBN_SETFOCUS(IDC_ssbm, OnSetfocusssbm)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// Csdssbmdlg message handlers

void Csdssbmdlg::OnOK() 
{
	// TODO: Add extra validation here
	char buf[100];
	int n;
	CString str;

	GetDlgItemText(IDC_ssbm,buf,20);
	if (buf[0] == 0){
		MessageBox("对不起,您没有选择所属部门.",MB_OK);
		return;
    }
	n = m_ssbm.GetCurSel();
	if (n > 0){
      m_ssbm.GetLBText(n,str);
	  strcpy(buf,str.GetBuffer(100));
    }
    strcpy(g_yszmcx_xzssbm_name,buf);
	CDialog::OnOK();	
}

void Csdssbmdlg::OnEditchangessbm() 
{
	// TODO: Add your control notification handler code here
	char buf[40];

	GetDlgItemText(IDC_ssbm,buf,40);
	if (buf[0] != 0){
	  if (m_ssbm.SelectString(0,buf) == CB_ERR){
		SetDlgItemText(IDC_ssbm,"");
	  }
	}
	
}

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

	wnd = GetDlgItem(IDC_ssbm);
    switch_to_chinese_mode(wnd);
}