sdrkfsdlg.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

// sdrkfsdlg.cpp : implementation file
//

#include "stdafx.h"
#include "xxgl.h"
#include "sdrkfsdlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// Csdrkfsdlg dialog
extern char g_rkfs_name[20][40];
extern int g_end_rkfs;
extern char g_yszmcx_xzrkfs_name[100];
extern int g_crk_flag;

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

Csdrkfsdlg::Csdrkfsdlg(CWnd* pParent /*=NULL*/)
	: CDialog(Csdrkfsdlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(Csdrkfsdlg)
	//}}AFX_DATA_INIT
    strcpy(g_yszmcx_xzrkfs_name,"");
}


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

	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(Csdrkfsdlg)
	DDX_Control(pDX, IDC_rkfs, m_rkfs);
	//}}AFX_DATA_MAP
	if (g_crk_flag == 1)
	  fpe = fopen("c:\\xxsbgl\\rkfs.txt","rb");
	else{
	  fpe = fopen("c:\\xxsbgl\\ckfs.txt","rb");
	  m_rkfs.ResetContent();
	  m_rkfs.AddString("丢失");
	  m_rkfs.AddString("报损");
	  m_rkfs.AddString("校际调拨");
	  m_rkfs.AddString("上缴");
	  m_rkfs.AddString("赞助");
	  m_rkfs.AddString("校内更正");
    }
	g_end_rkfs = 0;
	if (fpe != NULL){
	  ret = fscanf(fpe,"%s\n",buf);
	  while (ret > 0){
		if (strlen(buf) != 0){
          strcpy(g_rkfs_name[g_end_rkfs],buf);
          g_end_rkfs ++;
        }
	    ret = fscanf(fpe,"%s\n",buf);
	  }
	  fclose(fpe);
    }
	for (i=0;i<g_end_rkfs;i++){
		m_rkfs.AddString(g_rkfs_name[i]);
    }
}


BEGIN_MESSAGE_MAP(Csdrkfsdlg, CDialog)
	//{{AFX_MSG_MAP(Csdrkfsdlg)
	ON_CBN_EDITCHANGE(IDC_rkfs, OnEditchangerkfs)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// Csdrkfsdlg message handlers

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

	GetDlgItemText(IDC_rkfs,buf,20);
	if (buf[0] == 0){
		MessageBox("对不起,您没有选择入库方式.",MB_OK);
		CWnd *wnd;
		wnd = GetDlgItem(IDC_rkfs);
		wnd->SetFocus();
		return;
    }
	n = m_rkfs.GetCurSel();
    m_rkfs.GetLBText(n,str);
	strcpy(buf,str.GetBuffer(100));
    strcpy(g_yszmcx_xzrkfs_name,buf);
	CDialog::OnOK();
}

void Csdrkfsdlg::OnEditchangerkfs() 
{
	// TODO: Add your control notification handler code here
	char buf[20];

	GetDlgItemText(IDC_rkfs,buf,20);
	if (buf[0] != 0){
	  if (m_rkfs.SelectString(0,buf) == CB_ERR){
		SetDlgItemText(IDC_rkfs,"");
		Set_to_item_end(this,IDC_rkfs);
	  }
	}
}