C / C++ / MFC

Items not visible in ActiveX ListCtrl

4-Jul-08 0:05

Hamid. wrote:
because you are a professional member on the codeproject.

Well, you'll become soon, I suppose.
Smile | :)

If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.

This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
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thammadi3-Jul-08 20:05

3-Jul-08 20:05

Hi All,

I have an activex control subclassed from SysListView32. I wanted it to appear and work like the property grid the we see in VS 2003/2005.
I was able to get the look right. The problem is even though I added items using ListView_InsertItem, these items are not visible on the list control.

In PreCreateWindow, I am setting the style like this:
cs.style |= LVS_REPORT | LVS_NOCOLUMNHEADER | LVS_OWNERDRAWFIXED;

In OnCreate, I am adding the columns and a single item like this:
ListView_InsertColumn(m_hWnd, 0, "Empty");
ListView_InsertColumn(m_hWnd, 1, "Property Name");
ListView_InsertColumn(m_hWnd, 2, "Property Value");

LVITEM lvItem;
lvItem.mask = LVIF_TEXT | LVIF_PARAM;
lvItem.iItem = 0;
lvItem.pszText = "";
ListView_InsertItem(m_hWnd, &lvItem);
ListView_SetItemText(m_hWnd, 0, 1, "Properties")

I also used OnCustomDraw, OnEraseBkgnd & MeasureItem methods to archive my look and feel.

Please help !

Naveen3-Jul-08 20:50

Naveen

3-Jul-08 20:50

thammadi wrote:
cs.style |= LVS_REPORT | LVS_NOCOLUMNHEADER | LVS_OWNERDRAWFIXED;

if you specify LVS_OWNERDRAWFIXED, you have to handle the DrawItem() function. In your case since your not handling the owner draw, remove the LVS_OWNERDRAWFIXED style.

nave

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thammadi4-Jul-08 2:03

4-Jul-08 2:03

I removed LVS_OWNERDRAWFIXED, even then the inserted item is not visible.

Hamid_RT3-Jul-08 20:54

Hamid_RT

3-Jul-08 20:54

Whats the return value of ListView_InsertColumn and can you see items if you remove LVS_OWNERDRAWFIXED?

thammadi4-Jul-08 2:04

4-Jul-08 2:04

removed LVS_OWNERDRAWFIXED, items still not visible.

thammadi4-Jul-08 3:23

create process Vs Shell execute

4-Jul-08 3:23

I got this working !

mistake was, I did not use memset(&lvItem,0,sizeof(LVITEM)); in the below code snippet

LVITEM lvItem;<br />
lvItem.mask = LVIF_TEXT | LVIF_PARAM;<br />
lvItem.iItem = 0;<br />
lvItem.pszText = "";<br />
ListView_InsertItem(m_hWnd, &lvItem);<br />
ListView_SetItemText(m_hWnd, 0, 1, "Properties")

nisha000003-Jul-08 20:02

nisha00000

3-Jul-08 20:02

Hi

whats the difference between createprocess and shell execute?

Hamid_RT3-Jul-08 20:44

Hamid_RT

3-Jul-08 20:44

When you use of createPRocess it makes a new process and a thread for it and new process has a handle that you can use of it that this handle has PROCESS_ALL_ACCESS access with ShellExecute you can execute any command.

CPallini3-Jul-08 21:12

3-Jul-08 21:12

Documentation isn't (CreateProcess [^], ShellExecute [^]) satisfactory?
Roughly speaking the former gives you more control, the latter is more user friendly.
Smile | :)

Rajesh R Subramanian3-Jul-08 22:48

Rajesh R Subramanian

3-Jul-08 22:48

CPallini wrote:
Documentation isn't (CreateProcess [^], ShellExecute [^]) satisfactory?

I've always wondered how you get those links. Laugh | :laugh:

Nobody can give you wiser advice than yourself. - Cicero
.·´¯`·->Rajesh<-·´¯`·.
Visual C++ MVP

CPallini3-Jul-08 23:16

Calendar Control question

3-Jul-08 23:16

Rajesh R Subramanian wrote:
how you get those links

Drugz help. Roll eyes | :rolleyes:

monsieur_jj3-Jul-08 19:24

Re: Calendar Control question

3-Jul-08 19:24

Hi all,

Is there a way to only have the days (1-31) visible in the calendar Control?

Thanks,
jayjay

_AnsHUMAN_ 3-Jul-08 19:43

_AnsHUMAN_

3-Jul-08 19:43

I guess you would need to write your own control for this...
or see if CMonthCalCtrl::GetMinReqRect suffice your needs

Somethings seem HARD to do, until we know how to do them.
Wink | ;-)

_AnShUmAn_

excute code

sofia_1113-Jul-08 17:56

sofia_111

3-Jul-08 17:56

hello
i programing the code && design the interfaces
then , connect the programing with db "store the results in db"
then connect the db with interface and appeare the results on edit boxes in the interface
now , we want excute the programing code when click specific button .so, we use this function :
ShellExecute(this->m_hWnd,"open","proto1.exe","","", SW_SHOW );
when we run the interface and click the button excute the programing code"proto1.exe"
but the result false . the results diffrent about the results that appere when excute the file separetly on console also the data base some time doesn't update .so, the results itrated
also , the same copy from proto1 that deal with db and interface when take it in other place provide the same false results . althogh , ather copy of ptoto1 that dosn't deal with db and interface work very good
note , in proto1 code read from 2 files and these files important to programing the code and the results depod on them
in interface , the user do prowse and select 2 files . these file appear in edit boxes then stored in 2 other static files"in each chose for user change the content of files" that the proto1 read from them

i hope knowing why the results appearing false and db does not change

Re: excute code

CPallini3-Jul-08 21:16

Quick question about combobox

3-Jul-08 21:16

Could you provide, please, an alternative question?
Big Grin | :-D

monsieur_jj3-Jul-08 15:35

Re: Quick question about combobox [modified]

3-Jul-08 15:35

Hi all,

first of all i am using WTL but since its similar to mfc i am posting it here. I was helped here before about NOTIFY_HANDLER for WTL so that the code can monitor everytime a change has been made to my treeview and created this function:

LRESULT CMainDlg::OnSelChange(int idCtrl, LPNMHDR pnmh, BOOL& bHandled)
{	
pNMTreeView = (NMTREEVIEW*)pnmh;	
Select = pNMTreeView->itemNew.hItem;	
return 0;
}

I just want to know how I can make a version of this for a combobox change. What can i use for a combobox? If NMTREEVIEW is for treeview what is for combobox control? Select is a CTreeItem what can i use for that?

Is this still applicable:

NOTIFY_HANDLER( IDC_UPDATEDAY, TVN_SELCHANGED , OnSelChange )

Thanks,
Jayjay

Nibu babu thomas3-Jul-08 17:10

Nibu babu thomas

3-Jul-08 17:10

monsieur_jj wrote:
I just want to know how I can make a version of this for a combobox change. What can i use for a combobox? If NMTREEVIEW is for treeview what is for combobox control? Select is a CTreeItem what can i use for that?

Is this still applicable:

NOTIFY_HANDLER( IDC_UPDATEDAY, TVN_SELCHANGED , OnSelChange )

Selection change notification for a combo is CBN_SELCHANGE, CBN_SELENDOK. The latter is sent when selection change becomes permanent, and the former is sent when user is changing the selection using arrow keys/mouse but new selection is not yet permanent, also called if the selection becomes permanent (bit of live action).

Nibu babu thomas
Microsoft MVP for VC++

Code must be written to be read, not by the compiler, but by another human being.

Programming Blog: http://nibuthomas.wordpress.com

modified on Thursday, July 3, 2008 11:47 PM

monsieur_jj3-Jul-08 17:37

3-Jul-08 17:37

Nibu,

I tried that CBN_SELCHANGED however it doesnt call my OnSelChange if ever a selection change has occured. this is my code

NOTIFY_HANDLER( IDC_UPDATEDAY, CBN_SELCHANGE , OnSelChanges )

LRESULT CPrefDlg::OnSelChanges(int idCtrl, LPNMHDR pnmh, BOOL& bHandled)
{
	pNMCombobox = (NMCOMBOBOXEX*)pnmh;
	pNMCombobox->ceItem.iItem;
	return 0;
}

It doesnt even go there. What seems to be the problem
is that right?

Thanks,
Jayjay

Nibu babu thomas3-Jul-08 17:40

Nibu babu thomas

3-Jul-08 17:40

monsieur_jj wrote:
What seems to be the problem
is that right?

monsieur_jj wrote:
NOTIFY_HANDLER( IDC_UPDATEDAY, CBN_SELCHANGE , OnSelChanges )

Is IDC_UPDATEDAY id of the combo or the tree? From your OP it looks to me as the tree id.

Nibu babu thomas
Microsoft MVP for VC++

Code must be written to be read, not by the compiler, but by another human being.

Programming Blog: http://nibuthomas.wordpress.com

monsieur_jj3-Jul-08 17:42

3-Jul-08 17:42

Its an ID of a combo-box control

Nibu babu thomas3-Jul-08 18:46

Nibu babu thomas

3-Jul-08 18:46

monsieur_jj wrote:
Its an ID of a combo-box control

So is this a CComboBoxEx control, since you are casting the notification structure to NMCOMBOBOXEX type?

If so then you've got to handle notifications...

CBEN_BEGINEDIT, CBEN_ENDEDIT.

Nibu babu thomas
Microsoft MVP for VC++

Code must be written to be read, not by the compiler, but by another human being.

Programming Blog: http://nibuthomas.wordpress.com

monsieur_jj3-Jul-08 19:05

3-Jul-08 19:05

it is a CComboBox

Naveen3-Jul-08 18:59

Naveen

3-Jul-08 18:59

The CBN_SELCHANGE message is send with WM_COMMAND where as TVN_SELCHANGED was with WM_NOTIFY. That why we have to use NOTIFY_HANDLER for handling the TVN_SELCHANGED. So if you want to handle the CBN_SELCHANGE, the macro to be used is COMMAND_HANDLER

COMMAND_HANDLER( IDC_UPDATEDAY, CBN_SELCHANGE , OnSelChanges )

and the proto of OnSelChanges should be

LRESULT OnSelChanges(WORD wNotifyCode,WORD wID,HWND hWndCtl,BOOL& bHandled );

nave

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monsieur_jj3-Jul-08 19:16