C / C++ / MFC Discussion Boards

Re: looking for a good mp3 playing dll or library,thanks

ThatsAlok1-Dec-05 20:50

ThatsAlok

1-Dec-05 20:50

suchuhui wrote:
I wann dll or library,anyway thank you very much.

try http://www.un4seen.com/[^]

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

cheers,
Alok Gupta
VC Forum Q&A :- I/ IV

Re: looking for a good mp3 playing dll or library,thanks

Gavin Taylor1-Dec-05 20:08

Gavin Taylor

1-Dec-05 20:08

Haven't used it in a while but Lame[^] used to work pretty well

Gavin Taylor
w: http://www.gavspace.com

How to put expand/collapse sign (+/-) in subitems

lorey1-Dec-05 14:41

lorey

1-Dec-05 14:41

Hi!

I have a code downloaded (TreeListCtrl inherit from CListCtrl which supports treelist control in first column). It works fine except I need to put the (+/-) in subitems not in the first column (except the parent located in first column).

For further reference, please see my downloaded TreeListCtrl below (TreeListCtrl.cpp and TreeListCtrl.h):

*****************
/*
* Implementation of the TreeListCtrl
*
* Copyright (c)1999 David Carballo, All Right Reserved
*
* Created June 1999
* Revised: August 1999
* Written by David Carballo
* Internet: fibeto@redestb.es
*
* THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
* KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
* PARTICULAR PURPOSE.
*
*/

#include "stdafx.h"
#include "TreeListCtrl.h"

#include "resource.h"

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

BEGIN_MESSAGE_MAP(CTreeListCtrl, CListCtrl)
//{{AFX_MSG_MAP(CTreeListCtrl)
ON_NOTIFY_REFLECT(NM_CLICK, OnClick)
ON_WM_KEYDOWN()
ON_WM_CHAR()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTreeListCtrl

CTreeListCtrl::CTreeListCtrl()
{
}

CTreeListCtrl::~CTreeListCtrl()
{
}

/////////////////////////////////////////////////////////////////////////////
// CTreeListCtrl overrides

void CTreeListCtrl::PreSubclassWindow()
{
// LVS_EX_GRIDLINES // 5.0: LVS_EX_LABELTIP
SetExtendedStyle(LVS_EX_FULLROWSELECT);

if (NULL == m_ilState.GetSafeHandle())
{
m_ilState.Create(IDB_STATE, 16, 1, RGB(255, 0, 0));
}
SetImageList(&m_ilState, LVSIL_STATE);

CListCtrl::PreSubclassWindow();
}

/////////////////////////////////////////////////////////////////////////////
// CTreeListCtrl operations

BOOL CTreeListCtrl::Create
(
DWORD dwStyle,
const RECT& rect,
CWnd* pParentWnd,
UINT nID
)
{
if (!CListCtrl::Create(dwStyle, rect, pParentWnd, nID))
return FALSE;

// LVS_EX_GRIDLINES // 5.0: LVS_EX_LABELTIP
SetExtendedStyle(LVS_EX_FULLROWSELECT);

if (NULL == m_ilState.GetSafeHandle())
{
m_ilState.Create(IDB_STATE, 16, 1, RGB(255, 0, 0));
}
SetImageList(&m_ilState, LVSIL_STATE);

return TRUE;
}

int CTreeListCtrl::AddItem
(
LPCTSTR lpszItem,
int nImage,
int nLevel
)
{
LVITEM item;
tree_list_info info;
int nItem;

nItem = m_tree.size();
info.m_nLevel = nLevel;
info.m_nImage = nImage;
info.m_lstCols.resize(GetHeaderCtrl()->GetItemCount());
info.m_lstCols[0] = lpszItem;
info.m_bCollapsed = true;
m_tree.push_back(info);

item.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_INDENT | LVIF_STATE | LVIF_PARAM;
item.iItem = nItem;
item.iSubItem = 0;
item.pszText = (LPTSTR)(LPCTSTR)info.m_lstCols[0];
item.iImage = info.m_nImage;
item.iIndent = info.m_nLevel;
item.state = INDEXTOSTATEIMAGEMASK(info.m_bCollapsed ? 1 : 2);
item.stateMask = LVIS_STATEIMAGEMASK;
item.lParam = nItem;

if (info.m_nLevel == 0)
{
CListCtrl::InsertItem(&item);
}

return nItem;
}

BOOL CTreeListCtrl::SetItemText
(
int nItem,
int nSubItem,
LPCTSTR lpszText
)
{
m_tree.at(nItem).m_lstCols[nSubItem] = lpszText;
return CListCtrl::SetItemText(nItem, nSubItem, lpszText);
}

/////////////////////////////////////////////////////////////////////////////
// CTreeListCtrl protected functions

int CTreeListCtrl::InsertItem
(
int nItem,
int nPosArray,
tree_list_info& info
)
{
LVITEM item;

item.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_INDENT | LVIF_STATE | LVIF_PARAM;
item.iItem = nItem;
item.iSubItem = 0;
item.pszText = (LPTSTR)(LPCTSTR)info.m_lstCols[0];
item.iImage = info.m_nImage;
item.iIndent = info.m_nLevel;
item.state = INDEXTOSTATEIMAGEMASK(info.m_bCollapsed ? 1 : 2);
item.stateMask = LVIS_STATEIMAGEMASK;
item.lParam = nPosArray;

int nItemRes = CListCtrl::InsertItem(&item);

for (int i = 1; i < info.m_lstCols.size(); i++)
{
CListCtrl::SetItemText(nItemRes, i, info.m_lstCols[i]);
}
return nItemRes;
}

BOOL CTreeListCtrl::DeleteAllItems()
{
m_tree.clear();
return CListCtrl::DeleteAllItems();
}

void CTreeListCtrl::Collapse
(
int nPos,
int nItem
)
{
int nLevel;
int nLast;
LVITEM item;

tree_list_info& info = m_tree[nPos];
info.m_bCollapsed = true;

SetRedraw(0);
nLevel = info.m_nLevel;
nLast = GetItemCount();
item.mask = LVIF_PARAM;
item.iSubItem = 0;

int nCounter = nItem + 1;
if (nCounter < nLast)
{
do
{
item.iItem = nCounter;
GetItem(&item);
if (m_tree[item.lParam].m_nLevel > nLevel)
DeleteItem(nItem + 1);
}
while (m_tree[item.lParam].m_nLevel > nLevel && GetItemCount() > nCounter);
}

SetRedraw(1);
}

int CTreeListCtrl::Expand
(
int nItem,
bool bRecursive,
int& nCounterInsert
)
{
tree_list_info& info = m_tree[nItem];
info.m_bCollapsed = false;

int nCounter;
int nLevel;

nCounter = nItem + 1;
nCounterInsert = nCounterInsert + 1;
nLevel = info.m_nLevel;
while (nCounter < m_tree.size() && m_tree[nCounter].m_nLevel > nLevel)
{
if (m_tree[nCounter].m_nLevel > nLevel)
{
if (bRecursive)
{
m_tree[nCounter].m_bCollapsed = false;
}
InsertItem(nCounterInsert, nCounter, m_tree[nCounter]);
}

if (bRecursive || !m_tree[nCounter].m_bCollapsed)
{
nCounter = Expand(nCounter, bRecursive, nCounterInsert);
}
else
{
int nSonLevel;

nSonLevel = m_tree[nCounter].m_nLevel;
while (++nCounter < m_tree.size() && m_tree[nCounter].m_nLevel > nSonLevel)
{
}

nCounterInsert++;
}
}

return nCounter;
}

/////////////////////////////////////////////////////////////////////////////
// CTreeListCtrl message handlers

void CTreeListCtrl::OnClick
(
NMHDR* pNMHDR,
LRESULT* pResult
)
{
LPNMITEMACTIVATE pItemActivate = (LPNMITEMACTIVATE)pNMHDR;

CRect rect;

GetItemRect(pItemActivate->iItem, rect, LVIR_ICON);

if (pItemActivate->ptAction.x < rect.left)
{
LVITEM item;

item.mask = LVIF_INDENT | LVIF_PARAM;
item.iItem = pItemActivate->iItem;
item.iSubItem = 0;
GetItem(&item);

if (pItemActivate->ptAction.x > item.iIndent * 16)
{
if (m_tree[item.lParam].m_bCollapsed)
{
int nInsert = pItemActivate->iItem;
SetRedraw(0);
Expand(item.lParam, false, nInsert);
SetRedraw(1);
SetItemState(pItemActivate->iItem, INDEXTOSTATEIMAGEMASK(2), LVIS_STATEIMAGEMASK);
}
else
{
SetRedraw(0);
Collapse(item.lParam, pItemActivate->iItem);
SetRedraw(1);
SetItemState(pItemActivate->iItem, INDEXTOSTATEIMAGEMASK(1), LVIS_STATEIMAGEMASK);
}
}
}

*pResult = 0;
}

void CTreeListCtrl::OnKeyDown
(
UINT nChar,
UINT nRepCnt,
UINT nFlags
)
{
int nItem = GetNextItem(-1, LVNI_SELECTED);

if (nItem == -1)
{
CListCtrl::OnKeyDown(nChar, nRepCnt, nFlags);
return;
}

LVITEM item;

item.mask = LVIF_INDENT | LVIF_PARAM;
item.iItem = nItem;
item.iSubItem = 0;
GetItem(&item);

switch (nChar)
{
case VK_ADD:
if (m_tree[item.lParam].m_bCollapsed)
{
int nInsert = nItem;
SetRedraw(0);
Expand(item.lParam, false, nInsert);
SetRedraw(1);
SetItemState(nItem, INDEXTOSTATEIMAGEMASK(2), LVIS_STATEIMAGEMASK);
}
break;
case VK_SUBTRACT:
if (!m_tree[item.lParam].m_bCollapsed)
{
SetRedraw(0);
Collapse(item.lParam, nItem);
SetRedraw(1);
SetItemState(nItem, INDEXTOSTATEIMAGEMASK(1), LVIS_STATEIMAGEMASK);
}
break;
case VK_RIGHT:
if (m_tree[item.lParam].m_bCollapsed)
{
int nInsert = nItem;
SetRedraw(0);
Expand(item.lParam, false, nInsert);
SetRedraw(1);
SetItemState(nItem, INDEXTOSTATEIMAGEMASK(2), LVIS_STATEIMAGEMASK);
}
else
{
// If any child, move to the first one
int nNextItem = item.lParam + 1;
if (nNextItem < m_tree.size() && m_tree[nNextItem].m_nLevel > m_tree[item.lParam].m_nLevel)
{
SetItemState(nItem + 1, LVIS_SELECTED | LVIS_FOCUSED, LVIS_SELECTED | LVIS_FOCUSED);
}
}
break;
case VK_LEFT:
if (!m_tree[item.lParam].m_bCollapsed)
{
SetRedraw(0);
Collapse(item.lParam, nItem);
SetRedraw(1);
SetItemState(nItem, INDEXTOSTATEIMAGEMASK(1), LVIS_STATEIMAGEMASK);
}
else
{
// Move to our parent
int nPrevItem = item.lParam - 1;
int nLevel = m_tree[item.lParam].m_nLevel;

while (nPrevItem >= 0 && nLevel <= m_tree[nPrevItem].m_nLevel)
{
--nPrevItem;
}

if (nPrevItem >= 0)
{
LVFINDINFO info;

info.flags = LVFI_PARAM;
info.lParam = nPrevItem;

SetItemState(FindItem(&info), LVIS_SELECTED | LVIS_FOCUSED, LVIS_SELECTED | LVIS_FOCUSED);
}
}
break;
default:
CListCtrl::OnKeyDown(nChar, nRepCnt, nFlags);
break;
}
}

void CTreeListCtrl::OnChar
(
UINT nChar,
UINT nRepCnt,
UINT nFlags
)
{
int nItem = GetNextItem(-1, LVNI_SELECTED);

if (nItem != -1)
{
LVITEM item;

item.mask = LVIF_INDENT | LVIF_PARAM;
item.iItem = nItem;
item.iSubItem = 0;
GetItem(&item);

if (nChar == '*')
{
// TODO: Recursively expands items
if (m_tree[item.lParam].m_bCollapsed)
{
int nInsert = nItem;
SetRedraw(0);
Expand(item.lParam, true, nInsert);
SetRedraw(1);
SetItemState(nItem, INDEXTOSTATEIMAGEMASK(2), LVIS_STATEIMAGEMASK);
}
}
}

CListCtrl::OnChar(nChar, nRepCnt, nFlags);
}

How to Render different audio track in vob file (ex, 0x80, 0x81)

moonreflection20001-Dec-05 13:15

moonreflection2000

1-Dec-05 13:15

I want to write a player that can play .vob file. Since the file has multiple language track, 0x80 and 0x81, etc. How do I render it to play 0x81 track? When the file is render in graphedit, it does not how different pins for different tracks. Is there some other method I have to do?

Thanks.

Help:I have a switch view code,but I don't know how to modify it.

chuntse1-Dec-05 13:15

chuntse

1-Dec-05 13:15

Source code:

CDOcument* pDoc=GetDocument();
CView *pCurrView=GetActiveView();

CView * pNewView;
if(m_nCurrentView == 0)
{
pNewView=(CView*)new CUNL_SignleView;
m_nCurrentView = 1;
}
else
{
pNewView=(CView*)new CUNL_EdView;
m_nCurrentView = 0;
}
pNewView->Create(NULL,NULL,AFX_WS_DEFAULT_VIEW,rectDefault, this,AFX_IDW_PANE_FIRST,NULL);
pNewView->OnInitialUpdate();
pNewView->ShowWindow(SW_SHOW);
pView->ShowWindow(SW_HIDE);

pDoc->AddView(pNewView);
pDoc->RemoveView(pCurrView);

SetActiveView(pNewView);
RecalcLayout();
============================================================================]CMainFrame *pMain=(CMainFrame*)AfxGetApp()->m_pMainWnd;
CView *pView=(CHtmlViewEx*)pMain->GetActiveView();

CView * pDemoListView;
pDemoListView=(CView*)new CUNL_SignleView;
pDemoListView->Create(NULL,NULL,AFX_WS_DEFAULT_VIEW,rectDefault, this,AFX_IDW_PANE_FIRST,NULL);
pDemoListView->OnInitialUpdate();
pDemoListView->ShowWindow(SW_SHOW);
pView->ShowWindow(SW_HIDE);

CMainFrame->AddView(pDemoListView);
CMainFrame->RemoveView(pView);

SetActiveView(pDemoListView);
RecalcLayout();

I change:
CDOcument* pDoc=GetDocument();
CView *pCurrView=GetActiveView();
To:
CMainFrame *pMain=(CMainFrame*)AfxGetApp()->m_pMainWnd;
CView *pView=(CHtmlViewEx*)pMain->GetActiveView();

I change:
pDoc->AddView(pNewView);
pDoc->RemoveView(pCurrView);
To:
CMainFrame->AddView(pDemoListView);
CMainFrame->RemoveView(pView);

I want to put the above code to the OnTreeDblClk() to implement when doulbe click the sub-item of the left tree,the CDemoListView will be showed on the right column.
But the initializtion of the left column and right column are:
CDemoTreeView and CHtmlViewEx.

There is not CDemoDoc in my program，There are only CMaiFrame and CSplitter(splitted window)

Is the above code possible to chage to adapt the implememtation I need?

I don't know what the CUNL_SignleView is and it's undefined.
when I compile the code,it said that the rectDefault，SetActiveView，RecalcLayout are undefiend.

Thanks for all senior programmer to read my post.

chuntse

IE filetype location?

timothymfox1-Dec-05 10:28

timothymfox

1-Dec-05 10:28

Hi,

Thanks in advance for your help. In summary, what I'm trying to do is allow my application to be invoked from a browser with one of my registered filetypes without having to prompt the user to open the application.

I have an application that is intended to be called from a browser instance most of the time. Currently, my app makes registry entries that log the filetype and mimetype, and IE brings up a requster suggesting my application for the file, along with a checkbox allowing the user to automatically open my application when such a file is called.

I want to bypass this box as users find it confusing. Since it says open/save, sometimes they think they have to say "save" because the application will end up downloading a file to their computer. They'd just like that bypassed.

I tried thinking that perhaps I could just use javascript on the website to send the information to my application via COM, but I believe that the problem with that is SP2 security warnings will bring up user warnings using this, which defeats the purpose.

So, my first question is, does anyone know a way to override that requester and just train IE to call my application directly?

I know in firefox there is a file called downloads.rdf in which this information is ultimately stored -- so in the case of firefox I could theortically just write the entry to downloads.rdf myself. Is there a place where IE stores this information, for example, in the registry perhaps? That way, I could just write to that place in the registry during install and avoid this problem?

Or, perhaps there's another way to do it?

Re: IE filetype location?

C^hris L^osinger1-Dec-05 10:32

C^hris L^osinger

1-Dec-05 10:32

timothymfox wrote:
Or, perhaps there's another way to do it?

i sure hope not.

Cleek | Image Toolkits | Thumbnail maker

Re: IE filetype location?

David Crow1-Dec-05 10:52

David Crow

1-Dec-05 10:52

timothymfox wrote:
Currently, my app makes registry entries that log the filetype and mimetype...

What registry keys/values have you changed?

"Take only what you need and leave the land as you found it." - Native American Proverb

Re: IE filetype location?

timothymfox1-Dec-05 11:16

timothymfox

1-Dec-05 11:16

RIght now, the only registry keys are both done through the setup project in Visual Studio -- adding an association for my app's file extension in HKEY_CLASSES_ROOT, and the other one being the MimeType in the Content Types keys (HKEY_LOCAL_MACHINE/CLASSES/MIME/DATABASE/CONTENT TYPE/)

However, none of these registry entries are sufficient to automatically send the file type from Internet Explorer to my app -- currently that has to be done by the user, which is what I'm trying to change.

Re: IE filetype location?

David Crow2-Dec-05 4:44

David Crow

2-Dec-05 4:44

At a minimum, here are the registry keys/values you'll need. This example, timfox.exe, uses files with a .fox extension.

HKEY_CLASSES_ROOT\.fox = TimFox.Document
HKEY_CLASSES_ROOT\TimFox.Document\shell\open\command = TimFox.EXE %1
HKEY_CLASSES_ROOT\TimFox.Document\shell\open\ddeexec = [open("%1")]
HKEY_CLASSES_ROOT\TimFox.Document\shell\open\ddeexec\application = TIMFOX
; note: the application is optional
; (it defaults to the app name in "command")

HKEY_CLASSES_ROOT\TimFox.Document = TimFox Document

"Take only what you need and leave the land as you found it." - Native American Proverb

Edit control focus locks application

BuckBrown1-Dec-05 8:32

BuckBrown

1-Dec-05 8:32

Hi,

I have a simple dialog box that has an edit control. I want the dialog box to come up with the cursor in the edit box ready for input. I can do this using myDialog::UpdateDialogControls(pWndCtrl, TRUE) but then the focus is locked on the edit control and I can't use the OK or CANCEL buttons and I have to use the task manager to end the application. I have also tried the GotoCtrl(pWndCtrl) with UpdateData() and UpdateWindow() and some other variations that seemed like they might work but they have no effect at all. This is probably very simple, I just can't seem to figure out the right command sequence.

Buck

Re: Edit control focus locks application

bugDanny1-Dec-05 9:33

bugDanny

1-Dec-05 9:33

There should be a SetFocus() function you can use.

Danny

The stupidity of others amazes me!

Re: Edit control focus locks application

David Crow1-Dec-05 9:33

David Crow

1-Dec-05 9:33

BuckBrown wrote:
I want the dialog box to come up with the cursor in the edit box ready for input.

The first control on the dialog that has an id other than IDC_STATIC will automatically get the initial focus. Otherwise, you'll need to call SetFocus(). If you opt for this, be sure and return FALSE from OnInitDialog().

"Take only what you need and leave the land as you found it." - Native American Proverb

Re: Edit control focus locks application

bugDanny1-Dec-05 9:33

bugDanny

1-Dec-05 9:33

Sorry, or SET SEL.

Danny

The stupidity of others amazes me!

Re: Edit control focus locks application

kakan1-Dec-05 19:47

kakan

1-Dec-05 19:47

Set the edit control to be the first item in the tab order (Crtl-D in VC6)

Re: Edit control focus locks application

BuckBrown2-Dec-05 5:53

BuckBrown

2-Dec-05 5:53

Thanks,

Although it would seem that GotodlgCtrl(pEditCtrl) followed by SetFocus() should do the trick it doesn't. It needs to be in the syntax of GotoDlgCtrl(pEditCtrl->SetFocus());

How to create icon in the tab controls tab?

G Haranadh1-Dec-05 7:42

G Haranadh

1-Dec-05 7:42

How to create icon in the tab controls tab?

Can anyone help me how to create the icon in the tab controls tab.
I mean I would like to add icon for the Tab controls tab beside the label. Is that possiable?

Nice talking to you. Blush | :O

Re: How to create icon in the tab controls tab?

Cool Ju1-Dec-05 18:06

Cool Ju

1-Dec-05 18:06

Hi,

Check this[^]

Bye,
Cool Ju Cool | :cool:

Dream Ur Destiny

Remove WS_THICKFRAME style

bugDanny1-Dec-05 7:13

bugDanny

1-Dec-05 7:13

I've read a lot that to make your window non-resizable that you need to remove the WS_THICKFRAME style, but I can't find here on Code Project, or MSDN, really how to do that. Can someone help me out?

Danny

The stupidity of others amazes me!

Re: Remove WS_THICKFRAME style

Jim Crafton1-Dec-05 7:48

Jim Crafton

1-Dec-05 7:48

CAll GetWindowStyle() to retreive the style for the window.
Then mask out the WS_THICKFRAME ( style = style & ~WS_THICKFRAME );
Then set the windows style with the new style mask using SetWindowStyle().
THen call SetWindowPos(hwnd_, NULL,0,0,0,0, SWP_FRAMECHANGED|SWP_NOMOVE|SWP_NOSIZE);
This will cause the window to be updated properly so that the style change is reflected visually.

¡El diablo está en mis pantalones! ¡Mire, mire!

Real Mentats use only 100% pure, unfooled around with Sapho Juice(tm)!

SELECT * FROM User WHERE Clue > 0
0 rows returned

Save an Orange - Use the VCF!

Re: Remove WS_THICKFRAME style

David Crow1-Dec-05 8:19

David Crow

1-Dec-05 8:19

bugDanny wrote:
Can someone help me out?

Try:

BOOL CMainFrame::PreCreateWindow( CREATESTRUCT &cs )
{
    if (! CFrameWnd::PreCreateWindow(cs))
        return FALSE;
	
    cs.style &= ~WS_THICKFRAME;
    return TRUE;
}

"Take only what you need and leave the land as you found it." - Native American Proverb

Re: Remove WS_THICKFRAME style

bugDanny1-Dec-05 8:35

bugDanny

1-Dec-05 8:35

Thank you both. The other answers I've read were much more complicated, so much thanks.

Danny

The stupidity of others amazes me!

Implement SQLXML Bulk Load using C++

cmacgowan1-Dec-05 6:53

cmacgowan

1-Dec-05 6:53

Implement SQLXML Bulk Load using C++Implement SQLXML Bulk Load using C++

01 Dec 2005
Saint Paul, Minnesota
macgowan@pobox.com

Hi ...

I am trying to bulk load xml into sql server. This seems to be a relativly easy thing to do using the SQLXML COM Component. I am having trouble finding documentation on the SQLXML COM Object model. Also I have found samples in C# and VB ... I need my implementation to be using C++. If you have any sample code or a like you can send me to that would be create.

A good example of the type of doc that I am looking for is the object model for the MSXML COM Component
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wceappservices5/html/wce50grfxmldomobjectsinterfaces.asp
Is there such documentation for the SQLXML COM

Below are the links I have used to date:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnanchor/html/anch_sqlxml.asp
http://www.dbazine.com/sql/sql-articles/cook3
http://www.perfectxml.com/sqlxml.asp

Some code:

The code below uses the IXMLDOMDocument2Ptr interface and then trys to
use the SQLXML using the SQLXMLOLEDB Provider. Again, I need some doc
or samples on how to use the SQLXML COM Interfaces or the
SQLXMLOLEDB Provider in C++.

The code will fail on the following line
pCmd.CreateInstance(__uuidof(SQLXMLBulkLoad));

void CTestApp::OnTestMsXmlTest()<br />
{<br />
    // Define ADO connection pointers<br />
    _ConnectionPtr pConnection = NULL;<br />
<br />
    try<br />
    {<br />
<br />
        CoInitialize(NULL);<br />
        IXMLDOMDocument2Ptr pXMLDoc = NULL;<br />
        TCHAR   szHTTPURL[MAX_PATH] = {0};<br />
<br />
        _tcscpy(szHTTPURL, "http://www.buckeyetraffic.org/rwis/data/siteDetailS.xml");<br />
        _variant_t varLoadResult((bool)FALSE);<br />
<br />
        // Create MSXML DOM object<br />
        pXMLDoc.CreateInstance("Msxml2.DOMDocument.4.0");<br />
<br />
        // Load the document synchronously<br />
        pXMLDoc->async = false;<br />
<br />
        // If loading the document over HTTP (see KB Q321125 for details)<br />
        pXMLDoc->setProperty("ServerHTTPRequest", VARIANT_TRUE);<br />
<br />
        // Load the XML document<br />
        varLoadResult = pXMLDoc->load(szHTTPURL);<br />
<br />
        // Get the xml data<br />
        csResult =::SysAllocString(pXMLDoc->xml);<br />
<br />
<br />
        // ********************<br />
        // Test the buld load things<br />
<br />
        // Create the ADO connection<br />
        pConnection.CreateInstance(__uuidof(Connection));<br />
<br />
        CString csProvider("sqloledb");<br />
        CString csDataSource("SQLTEST1");<br />
        CString csInitialCatalog("TestData");<br />
        CString csUserId("bill");<br />
        CString csPassword("bluerayon");<br />
<br />
        // Set the connection string<br />
        csConnect.Format("Provider='%s';Data Source='%s';",<br />
                          csProvider,<br />
                          csDataSource);<br />
        csTemp.Format("Initial Catalog='%s';",<br />
                      csInitialCatalog);<br />
        csConnect += csTemp;<br />
        csTemp.Format("User Id=%s;Password=%s",<br />
                      csUserId,<br />
                      csPassword);<br />
        csConnect += csTemp;<br />
<br />
        bstrConnect = csConnect.AllocSysString();<br />
<br />
        // Write log to view<br />
        pView->WriteLog("Open ADO Connection.");<br />
<br />
        // Open the ado connection<br />
        pConnection->Open(bstrConnect,"","",adConnectUnspecified);<br />
<br />
        // Define ADO object pointers.<br />
        _CommandPtr      pCmd = NULL;<br />
<br />
        // Create command object<br />
        pCmd.CreateInstance(__uuidof(Command));<br />
        // pCmd.CreateInstance(__uuidof(SQLXMLBulkLoad));<br />
        // pCmd.CreateInstance(__uuidof(SQLXMLBulkLoad.SQLXMLBulkLoad.2.0));<br />
<br />
        pCmd->ActiveConnection = pConnection;<br />
        pCmd->PutPrepared(true);<br />
<br />
        pCmd->Execute("SampleSchema.xml", "SampleXMLData.xml", adExecuteStream);<br />
<br />
    }<br />
    catch(...)<br />
    {<br />
        // Handle Error<br />
    }<br />
<br />
    CoUninitialize();<br />
    return;<br />
}<br />

Log files

Kenny03231-Dec-05 6:46

Kenny0323

1-Dec-05 6:46

I need to implement a function to read application event logs in realtime. I have done this for our Unix server in Perl, but do not have the option of installing Perl on our Win32 production servers.

I have scoured (literally for days) the internet looking for any information on the best way to do this in C++ but haven't found anything! Any assistance or direction is greatly appreciated.

What I need to do is read these event logs and then send alerts or trigger other functions based on specific events. The log files are updated 10-100 times a minute depending on how many users are connected to the server so I need to continue monitoring the log even if I fork out to respond to event01. Make sense?

Thank you!

--Kenny

Re: Log files

Jim Crafton1-Dec-05 7:51

Jim Crafton

1-Dec-05 7:51

Sounds like you want to create an Event object ( see CreateEvent()[^]) wait on it in on place (thread) and then signal it from another when the log write occurs.

You can look into NT's event logging API's but I don't know if there are any performance issues for what you're intendending.

You can create teh event with a name, so that more than one process can wait on it.

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