C / C++ / MFC

5-Sep-01 5:47

Hi Gurus

I'm facing a problem using a CListView derived class ( in report style ) in wich I need to draw a particular CHeaderCtrl element in a different color...

Any Idea ?

Thank's in advance Smile | :)

)

New to MFC

Michael Dunn5-Sep-01 7:19

Michael Dunn

5-Sep-01 7:19

Handle NM_CUSTOMDRAW sent from the header, and change the colors in response to that message.

--Mike--
http://home.inreach.com/mdunn/
Ford: How would you react if I said that I'm not from Guildford after all, but from a small planet somewhere in the vicinity of Betelguese?
Arthur: I don't know. Why, do you think it's the sort of thing you're likely to say?

Bernard Chayer5-Sep-01 7:49

5-Sep-01 7:49

Hi Mike,

Thank's for your answer Smile | :)

I've already tried it, but it still do not work, here's what I've done...

BEGIN_MESSAGE_MAP(CAgendaView, CListView)
//{{AFX_MSG_MAP(CAgendaView)
//}}AFX_MSG_MAP
ON_NOTIFY_REFLECT(NM_CUSTOMDRAW, OnCustomDraw)
END_MESSAGE_MAP()

/****************************************************************************
*
*
*
*
****************************************************************************/
void CAgendaView::OnCustomDraw( NMHDR* pNMHDR, LRESULT* pResult )
{
LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW )pNMHDR;

if( lplvcd->nmcd.dwDrawStage == CDDS_PREPAINT )
*pResult = CDRF_NOTIFYITEMDRAW;
else
{
if( lplvcd->nmcd.dwDrawStage == CDDS_ITEMPREPAINT )
{
if( lplvcd->nmcd.dwItemSpec == 2 )
{
lplvcd->clrText = RGB( 0, 0, 255 );
*pResult = CDRF_NEWFONT;
}
else
*pResult = CDRF_DODEFAULT;
}
else
*pResult = 0;
}
}

Thank's
Bernard

New to VC++

Michael Dunn5-Sep-01 15:28

Michael Dunn

5-Sep-01 15:28

ON_NOTIFY_REFLECT will handle notifications from the list control, not the header. Change that to ON_NOTIFY(NM_CUSTOMDRAW, 0, OnHeaderCustomdraw) to handle WM_NOTIFY sent from the header to the list.
The reason is a control sends WM_NOTIFY to its parent, so the header sends WM_NOTIFY to the list control. The ID of a list header is always 0, so that's why you use 0 in the ON_NOTIFY macro.

--Mike--
http://home.inreach.com/mdunn/
Ford: How would you react if I said that I'm not from Guildford after all, but from a small planet somewhere in the vicinity of Betelguese?
Arthur: I don't know. Why, do you think it's the sort of thing you're likely to say?

Bernard Chayer6-Sep-01 5:00

6-Sep-01 5:00

Tank's Mike Smile | :)

I'm almost at it, but I still have a problem...

My function handles the NM_CUSTOMDRAW well, but even if I change the color ( lplvcd->clrText = RGB( 0, 0, 255 ); ), the HeaderCtrl still paint's my foreground in black.

New to VC++

Michael Dunn6-Sep-01 6:35

Michael Dunn

6-Sep-01 6:35

You don't use NMLVCUSTOMDRAW with a header, it's just a plain NMCUSTOMDRAW. Here's a snippet that works:

BEGIN_MESSAGE_MAP(CNewListCtrl, CListCtrl)
	//{{AFX_MSG_MAP(CNewListCtrl)
	ON_NOTIFY(NM_CUSTOMDRAW, 0, OnHdrCustomdraw)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
 
void CNewListCtrl::OnHdrCustomdraw(NMHDR* pNMHDR, LRESULT* pResult) 
{
NMCUSTOMDRAW* pNMCD = (NMCUSTOMDRAW*) pNMHDR;
 
    *pResult = CDRF_DODEFAULT;
 
    switch ( pNMCD->dwDrawStage )
        {
        case CDDS_PREPAINT:
            *pResult = CDRF_NOTIFYITEMDRAW;
        break;
 
        case CDDS_ITEMPREPAINT:
            ::SetTextColor ( pNMCD->hdc, RGB(0,0,255) );
        break;
        }
}

Where CNewListCtrl is derived from CListCtrl.

--Mike--
http://home.inreach.com/mdunn/
Ford: How would you react if I said that I'm not from Guildford after all, but from a small planet somewhere in the vicinity of Betelguese?
Arthur: I don't know. Why, do you think it's the sort of thing you're likely to say?

Bernard Chayer6-Sep-01 7:05

Re: toolbar and hyperlinks

6-Sep-01 7:05

Thank's Mike, you're a genious Wink | ;)

Hello chérie, was it written in the stars, that we were supposed to fraternize ( Pepé Le Pew )

toolbar and hyperlinks

SnapRick5-Sep-01 4:36

SnapRick

5-Sep-01 4:36

Is there a way to use a toolbar button to activate a hyperlink in a new window???

Thank-you
Sincerely,
RAH

Erik Thompson5-Sep-01 10:45

Erik Thompson

5-Sep-01 10:45

If you have the hyperlink, call ShellExecute with the "open" verb and the url to show. Or if you have the IWebBrowser2 object you can call the IWebBrowser2::Navigate with a Target of "_BLANK" which will open it in a new window.

Cheers,
-Erik
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
My thoughts are my own and reflect on no other.

Text color in a CRichEditCtrl

5-Sep-01 4:00

I really need somebody to help me!!! HOW can I change the text color from a CRichEditCtrl

I've tried everything but I can't !!!

Re: Text color in a CRichEditCtrl

billb21125-Sep-01 7:15

billb2112

5-Sep-01 7:15

Look at SetCharFormat in the CRichEditView class. In the CRichEditCtrl class you have a little more flexibility as you can use the SetDefaultCharFormat, SetSelectionCharFormat or SetParaFormat for character, selected text or current paragraph respectively. To actually set the color, look at the crTextColor member in the CHARFORMAT structure.

http://www.ratebeer.com

How to get all machine's MAC Address at Winnt LAN?

5-Sep-01 3:51

Can you tell me How to get all machine's MAC Address at Winnt LAN?

thanks in advance!

liuty

2001.9.5

Re: How to get all machine's MAC Address at Winnt LAN?

5-Sep-01 6:25

There was somewhere an article about that on CodeProject
Use the CodeProject's search-function to find the article.

"MAC address" should be enough as a keyword

regards

What's wrong with this code?

5-Sep-01 3:20

I just wrote a code to select multiple files via the CFileDialog.
But it seems that in every case the while-loop is executed only 3 times even if more than three files have been selected Confused | :confused:

CFileDialog selfiles(TRUE,"mp3","*.mp3",OFN_ALLOWMULTISELECT | OFN_ENABLESIZING,"MP3 Files (*.mp3) | *.mp3 ||",NULL);
	
	CStringArray array;

	if(selfiles.DoModal() == IDOK)
	{
		POSITION pos=selfiles.GetStartPosition();
        
		int counter=0;
		while(pos) 
		{
			CString file = selfiles.GetNextPathName(pos);
			array.Add(file);
			counter++;
		}

		UpdateData(FALSE);
	}

i.e. for example if I selected 7 files and try to get the fifth filename with array.GetAt(4) I get a debug assertion

Re: What's wrong with this code?

5-Sep-01 3:42

Oh sorry, I just found out by myself.
Was a stupid mistake Smile | :)

Don't care about this code anymore, it's correct, I just inserted GetNextPathName accidently two times and didn't notice it

Re: What's wrong with this code?

13-Dec-01 4:12

Try to give some buffer for paths, it better for OFN_ALLOWMULTISELECT style.
Try! It long time when I did it last time.
Good luck.
For example like this:

CFileDialog selfiles(TRUE,"mp3","*.mp3",OFN_ALLOWMULTISELECT |
OFN_ENABLESIZING,"mp3 Files (*.mp3) | *.mp3 ||",NULL);
TCHAR* buffer;
buffer = new TCHAR[1024*5];
selfiles.m_ofn.nMaxFile = 1024*5;
selfiles.m_ofn.lpstrFile = buffer;
CStringArray array;
if(selfiles.DoModal() == IDOK)
{
POSITION pos=selfiles.GetStartPosition();
int counter=0;
while(pos)
{
CString file = selfiles.GetNextPathName(pos); array.Add(file);
counter++;
}
UpdateData(FALSE);
}
delete []buffer;

Viliam Dolinay

Disabling ALT-TAB ...

Hadi Rezaee5-Sep-01 3:19

Hadi Rezaee

5-Sep-01 3:19

How can i disable or skip ALT-TAB in API project(not MFC) ...

My month article: Game programming by DirectX by Lan Mader.
Please visit in: www.geocities.com/hadi_rezaie/index.html

Hadi Rezaie

Tim Deveaux5-Sep-01 10:57

Tim Deveaux

5-Sep-01 10:57

HOWTO: Disable Task Switching on Win32 Platforms
ID: Q226359

Hadi Rezaee5-Sep-01 17:45

Hadi Rezaee

5-Sep-01 17:45

Hi Tim, and thanks for reply ... Wink | ;)

My month article: Game programming by DirectX by Lan Mader.
Please visit in: www.geocities.com/hadi_rezaie/index.html

Hadi Rezaie

Mike Nordell7-Sep-01 11:15

Mike Nordell

7-Sep-01 11:15

Maybe I'm coming down a bit hard here, but this is my opinion.

Some think there are legitimate resons to disable ALT-TAB, I'm not one of them.

Perhaps the first priority would be to handle the DX "surface lost" stuff. There's not much that is more annoying than a game that crashes because I had to ALT-TAB out of it (to do something else), and then when trying to get back it crashes. If it was, it would be the neverending story of kernel-memory we can do nothing about, forcing reboots every now and then...

I am the one owning my machine, and as such I should be the one making decisions of when and how I'm allowed to do what with my machine.