What is the notification code that gets sent when a scrollbar event occurs? - C / C++ / MFC Discussion Boards

Re: Data from one dialog box into another dialog box

Rinu_Raj20-Sep-06 22:53

20-Sep-06 22:53

Suppose you are creating these dialog in some class say a dialog class
CMainDlg

Class CMainDlg:Public CDialog
{

private:
Dlg1* pDlg1;
Dlg2* pDLg2;
......
}
Then in Class Dlg1 expose a function to Get the other dialog control's data and in class Dlg to set theat data
for eg

Class Dlg1:public CDilaog
{
public
CString GetDataFrmControl(); // supposing control's data type is of type CString
}

Class Dlg2:public CDilaog
{
public
void SetDataToControl( CString& Data ); // supposing control's data type is of type CString
}

///////////////////////////
CMainDLg::OnInitDialog
{
PDlg1 = new Dlg1;
pDlg2 = new Dlg2;
pDLg1->Create(..)
pDlg2->Create(..)

// pass the value from one dialog to another where ever needed
pDlg2->SetDataToControl( pDLg1->GetDataFrmControl())
}

Rinu Raj

Re: Data from one dialog box into another dialog box

David Crow21-Sep-06 3:40

David Crow

21-Sep-06 3:40

What is the relationship between the two dialogs? Are they siblings? Does one "own" the other? Are they both modal?

"Talent without discipline is like an octopus on roller skates. There's plenty of movement, but you never know if it's going to be forward, backwards, or sideways." - H. Jackson Brown, Jr.

"Judge not by the eye but by the heart." - Native American Proverb

Re: Data from one dialog box into another dialog box

vc++_fragrance22-Sep-06 22:53

vc++_fragrance

22-Sep-06 22:53

The two dialog boxes are modal dialog boxes

Re: Data from one dialog box into another dialog box

Hamid_RT21-Sep-06 8:14

Hamid_RT

21-Sep-06 8:14

///////if your main class is CMainDlg In another dialog you can use

<br />
#include "MainDlg.h"<br />
CMainDlg *m_Main=GetParent();<br />
m_Main->Yourfunction();<br />

WhiteSky

How do you get a dialog to respond to a key down message?

D_code_writer20-Sep-06 22:19

D_code_writer

20-Sep-06 22:19

Hey guys,

My name is Danny and I am working on a project using MFC based dialog and property pages. This question may sound really dumb, but I've added a key down handler for a property page I'm working on and for love or money I can't seem to get it to respond. I've thrown brake points everywhere and I can't get it to respond.

Are there any suggestions out there?

Thanks Guys.

Danny Nowlan

Re: How do you get a dialog to respond to a key down message?

Rinu_Raj20-Sep-06 22:36

Rinu_Raj

20-Sep-06 22:36

Map the WM_KEYDOWN message there you wil get which key is being pressed

Rinu Raj

Re: How do you get a dialog to respond to a key down message?

Hamid_RT21-Sep-06 8:15

Hamid_RT

21-Sep-06 8:15

See WM_KEYDOWN/WM_KEYUP

WhiteSky

What is the notification code that gets sent when a scrollbar event occurs?

skyapie20-Sep-06 22:11

skyapie

20-Sep-06 22:11

Hi,

I'm using the OnNotify(WPARAM wParam, LPARAM lParam, LRESULT* pResult) method to find out when a user uses a scrollbar. Except I'm not sure what to be checking lParam against. I've casted lParam to be a NMHDR*, but when I check the value of pNMHDR->code, it's usually 0xFFFFFFF4.

Can anyone tell me what xxxxx should be in the following line?

BOOL CBaseFormView::OnNotify(WPARAM wParam, LPARAM lParam, LRESULT* pResult) <br />
{<br />
	NMHDR* pNMHDR = (NMHDR*)lParam;<br />
	<br />
	if(pNMHDR->code == xxxxx)	<br />
	{<br />
		//Do stuff<br />
	}<br />
}

Or can someone tell me if I'm going about this the wrong way?

Thanks,
skyapie

Re: What is the notification code that gets sent when a scrollbar event occurs?

Rinu_Raj20-Sep-06 22:40

Rinu_Raj

20-Sep-06 22:40

You will get control at OnVScroll() OnHScroll() when the suer scrolls the scrol bar

Rinu Raj

Re: What is the notification code that gets sent when a scrollbar event occurs?

skyapie21-Sep-06 0:03

skyapie

21-Sep-06 0:03

That will work if the scrollbar is for the view, not for a list control or list box in the view...

Re: What is the notification code that gets sent when a scrollbar event occurs?

prasad_som20-Sep-06 22:46

prasad_som

20-Sep-06 22:46

skyapie wrote:
I'm using the OnNotify(WPARAM wParam, LPARAM lParam, LRESULT* pResult) method to find out when a user uses a scrollbar

If this scrollbar is of this view only then it will not send WM_NOTIFY message. Handle WM_VSCROLL message

skyapie wrote:
BOOL CBaseFormView::OnNotify(WPARAM wParam, LPARAM lParam, LRESULT* pResult)
{
NMHDR* pNMHDR = (NMHDR*)lParam;

if(pNMHDR->code == xxxxx)
{
//Do stuff
}
}

This code will work , if you want to handle scrolling of child window of this view, lets say scrolling in listcontrol present as child of this view.

Prasad
Notifier using ATL | Operator new[],delete[][^]

warning C4100 : how to get rid of it if issued by an included header ?

Jerome Conus20-Sep-06 21:37

Jerome Conus

20-Sep-06 21:37

Hi !

I'm compiling my project with warnings at level 3. I didn't change any warning-behavior with #pragma.

The problem is that I get many warning C4100 (unreferenced formal parameter) because of included headers. How can I get rid of these warnings for which I cannot do anything anyway ?

(btw : I've seen somewhere that warning C4100 is level 4, but it occurs at level 3, that's strange ! any hint about this ?)

Thanks for your help !
Jerome

Re: warning C4100 : how to get rid of it if issued by an included header ?

toxcct20-Sep-06 21:45

toxcct

20-Sep-06 21:45

does This[^] help ?

TOXCCT >>> GEII power

[VisualCalc 3.0 updated ][Flags Beginner's Guide new! ]

Re: warning C4100 : how to get rid of it if issued by an included header ?

Rinu_Raj20-Sep-06 21:45

Rinu_Raj

20-Sep-06 21:45

You just want to disable th ewarning right use #pragma

#pragma warning( disable: 4100 )

Is that not working ???

Rinu Raj

Re: warning C4100 : how to get rid of it if issued by an included header ?

Cedric Moonen20-Sep-06 22:02

Cedric Moonen

20-Sep-06 22:02

Which IDE are you using ? IF you use VC2005, there is an option in project properties that lets you disable specific warnings. Go in 'C/C++' -> 'Advanced' -> 'Disable specific warnings'. Put the warning number (without the 'C').

And don't know if this feature exists in VC6 (I already searched for it but couldn't find it). I don't know for VC2003 (never used it).

using pragma won't help I suppose because you probably don't want to modify these header files. And they probably don't include stdafx.h.

Cédric Moonen
Software developer

Charting control [Updated - v1.1]

Re: warning C4100 : how to get rid of it if issued by an included header ?

toxcct20-Sep-06 22:09

toxcct

20-Sep-06 22:09

Cedric Moonen wrote:
using pragma won't help I suppose because you probably don't want to modify these header files. And they probably don't include stdafx.h

but he can always do this :

#pragma warning(disable:4100)
#include "the_header.h"
#pragma warning(default:4100)

TOXCCT >>> GEII power

[VisualCalc 3.0 updated ][Flags Beginner's Guide new! ]

Re: warning C4100 : how to get rid of it if issued by an included header ?

Cedric Moonen20-Sep-06 22:12

Cedric Moonen

20-Sep-06 22:12

Sure. But if he needs to include that file in several places, this can be a pain...

Cédric Moonen
Software developer

Charting control [Updated - v1.1]

Changing the default color of splitter bar?

kiranin20-Sep-06 21:09

kiranin

20-Sep-06 21:09

How to remove or changing from the default color to required color of the splitterbar between two panes?

Re: Changing the default color of splitter bar?

Hamid_RT28-Sep-06 9:40

Hamid_RT

28-Sep-06 9:40

See here[^] maybe it is some helpful to you

WhiteSky

Re: Changing the default color of splitter bar?

kiranin29-Sep-06 1:41

kiranin

29-Sep-06 1:41

I didnt find any useful info there

Write Formated Data to STL-String

Mr.Brainley20-Sep-06 21:01

Mr.Brainley

20-Sep-06 21:01

Is there any equivalent to sprintf() & co. for STL-Strings ? I really don't want to use a buffer to work around that.

Re: Write Formated Data to STL-String

Mr.Brainley20-Sep-06 21:50

Mr.Brainley

20-Sep-06 21:50

For anyone who is interested, i found a good way. I use an ostringstream object to write my formated data to via standard stream operators. Then i use it's member function str() to return me a basic_string :

<br />
	string		teststring;<br />
	ostringstream	teststream;<br />
	unsigned int	testnumber = 1234;<br />
<br />
	teststream << "The Number is " << testnumber << " !!!!" << endl;<br />
<br />
	teststring = teststream.str();<br />
<br />
	cout << teststring;<br />

Re: Write Formated Data to STL-String

Rob Caldecott20-Sep-06 22:34

Rob Caldecott

20-Sep-06 22:34

Check out the Boost[^] library - it includes an excellent formatting class called boost::format.

Kicking squealing Gucci little piggy.

mouse click

viliam20-Sep-06 20:23

viliam

20-Sep-06 20:23

hi,
I am using keyboard to simulate mouse
GetCursorPos
SetCursorPos
function, and I'd like to ask
how can I simulate Click
(even into window doesn't belonging to my process)
thank you
Viliam

viliam

Re: mouse click

Christian Graus20-Sep-06 20:26

Christian Graus

20-Sep-06 20:26

SendMessage - you can send the click messages to the window.

Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog

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