/*
Called to display a dialog box to select the Twain source to use.
This can be overridden if a list of all sources is available
to the application. These sources can be enumerated by Twain.
it is not yet supportted by CTwain.
*/
BOOL CTwain::SelectSource()
{
memset(&m_Source,0,sizeof(m_Source));
if(!SourceSelected())
{
SelectDefaultSource();
}
if(CallTwainProc(&m_AppId,NULL,DG_CONTROL,DAT_IDENTITY,MSG_USERSELECT,&m_Source))
{
m_bSourceSelected = TRUE;
}
return m_bSourceSelected;
}
/*
Opens a Data Source supplied as the input parameter
*/
BOOL CTwain::OpenSource(TW_IDENTITY *pSource)
{
if(pSource)
{
m_Source = *pSource;
}
if(DSMOpen())
{
if(!SourceSelected())
{
SelectDefaultSource();
}
m_bDSOpen = CallTwainProc(&m_AppId,NULL,DG_CONTROL,DAT_IDENTITY,MSG_OPENDS,(TW_MEMREF)&m_Source);
}
return DSOpen();
}
BOOL EVOpenDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// TODO: 在此添加额外的初始化
if(!SelectDefaultSource())
{
MessageBox(_T("未检测到扫描仪!"));
OnCancel();
return TRUE;
}
m_bTwainConfig = false;
OnBnClickedButtonconfig();
if ( !m_bTwainConfig )
{
int iReturn=MessageBox(_T("未检测到扫描仪或扫描仪扫描失败!\r\n是否手动选择扫描仪"),"注意",MB_YESNO|MB_DEFBUTTON2);
if ( iReturn==IDNO )
{
OnCancel();
return TRUE;
}
else
{
if(!SelectSource())
{
MessageBox(_T("未检测到扫描仪!"));
OnCancel();
return TRUE;
}
m_bTwainConfig = false;
OnBnClickedButtonconfig();
if ( !m_bTwainConfig )
{
MessageBox(_T("未检测到扫描仪或扫描仪扫描失败!"));
OnCancel();
return TRUE;
}
}
}
CWnd *pWnd = GetDlgItem(IDC_NEWEDIT3);
CRect rc;
if(!pWnd) return TRUE;
pWnd->GetWindowRect(rc);
pWnd->DestroyWindow(); //pWnd was just a placeholder;
ScreenToClient(rc);
m_DateTime.Create(WS_CHILD|WS_VISIBLE|DTS_LONGDATEFORMAT,rc,this,IDC_NEWEDIT3);
m_DateTime.SendMessage((UINT)DTM_SETSYSTEMTIME,GDT_NONE, NULL);
CString caption = EVUtil::GetInstance().ODBCGetConfig(_T("select * from Config where 所属界面='扫描界面' and 类型='标题' "));
SetWindowText(caption);
CString user = EVUtil::GetInstance().ODBCGetConfig(_T("select * from Config where 所属界面='扫描界面' and 类型='用户' "));
SetDlgItemText(IDC_NEWSTATICUSER,user);
InitInfos();
SetDlgItemText(IDC_NEWEDIT1,"");
CString szLJBH = EVUtil::GetInstance().ODBCGetConfig(_T("select * from Config where 所属界面='扫描界面' and 类型='零件编号' "));
SetDlgItemText(IDC_NEWEDIT2,szLJBH);
SetDlgItemText(IDC_NEWEDIT3,"");
INIT_EASYSIZE;
int nCX = GetSystemMetrics(SM_CXSCREEN);
int nCY = GetSystemMetrics(SM_CYSCREEN);
nCY = nCY-40;
nCY = MIN(nCY,nCX);
CRect rtDlg;
GetWindowRect(&rtDlg);
SetWindowPos(NULL,(nCX-nCY)/2,0,nCY,nCY,SWP_NOZORDER);//*/
return TRUE; // return TRUE unless you set the focus to a control
// 异常: OCX 属性页应返回 FALSE
}