baselistbox.cpp

一个VC++写的商品库存管理系统

// BaseListBox.cpp : implementation file
//

#include "stdafx.h"
#include "商品库存管理系统.h"
#include "BaseListBox.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
extern CMyApp theApp;
/////////////////////////////////////////////////////////////////////////////
// CBaseListBox

CBaseListBox::CBaseListBox()
{
}

CBaseListBox::~CBaseListBox()
{
}


BEGIN_MESSAGE_MAP(CBaseListBox, CListBox)
	//{{AFX_MSG_MAP(CBaseListBox)
		// NOTE - the ClassWizard will add and remove mapping macros here.
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBaseListBox message handlers

BOOL CBaseListBox::PreTranslateMessage(MSG* pMsg) 
{
	if(pMsg->message==WM_KEYDOWN && pMsg->wParam==13)
		pMsg->wParam=9;	
	return CListBox::PreTranslateMessage(pMsg);
}

bool CBaseListBox::SetRecordset(_RecordsetPtr rRst, CString sField)
{
	CString sText;
	bool returnvalue;
	this->rst=rRst;
	this->m_Field=sField;
	if(theApp.GetRecordCount(rst)>0)
	{
		for(int i=0;i<theApp.GetRecordCount(rst);i++)
		{
			rst->MoveFirst();
			rst->Move(i);
			try{
			sText=(char*)(_bstr_t)rst->GetCollect((_bstr_t)sField);
			this->AddString(sText);
			}
			catch(...)
			{
				returnvalue=false;
				goto err;
			}
		}
		returnvalue=true;
	}
	else
		returnvalue=false;
err:	return returnvalue;
}

void CBaseListBox::UpDating()
{
	CString sText;
	this->ResetContent();
	if(theApp.GetRecordCount(rst)>0)
	{
		for(int i=0;i<theApp.GetRecordCount(rst);i++)
		{
			rst->MoveFirst();
			rst->Move(i);
			try{
			sText=(char*)(_bstr_t)rst->GetCollect((_bstr_t)m_Field);
			this->AddString(sText);
			}
			catch(...)
			{
				return;
			}
		}
	}

}

BOOL CBaseListBox::DestroyWindow() 
{
	rst->Close();	
	return CListBox::DestroyWindow();
}