Codejock Developer Community : How to reach the DrawItem() in CXTPControlComboBox http://forum.codejock.com/ Copyright (c) 2006-2013 Web Wiz Forums - All Rights Reserved. Sat, 04 Apr 2026 07:26:17 +0000 Thu, 20 Mar 2008 21:13:07 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 forum.codejock.com/RSS_post_feed.asp?TID=9905 <![CDATA[Codejock Developer Community]]> http://forum.codejock.com/forum_images/codejock-logo.gif http://forum.codejock.com/ <![CDATA[How to reach the DrawItem() in CXTPControlComboBox : Thank you so much oleg, it help...]]> http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32431&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32431 Author: hikaroute
Subject: 9905
Posted: 20 March 2008 at 9:13pm

Thank you so much oleg,
     it help me so much.
]]> Thu, 20 Mar 2008 21:13:07 +0000 http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32431&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32431 <![CDATA[How to reach the DrawItem() in CXTPControlComboBox : Hi, Its something in your sources....]]> http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32397&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32397 Author: Oleg
Subject: 9905
Posted: 19 March 2008 at 7:55am

Hi,
Its something in your sources. Check you set right text color.
]]> Wed, 19 Mar 2008 07:55:59 +0000 http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32397&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32397 <![CDATA[How to reach the DrawItem() in CXTPControlComboBox : Thank you oleg, now I can...]]> http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32374&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32374 Author: hikaroute
Subject: 9905
Posted: 18 March 2008 at 10:53am

Thank you oleg,

 
now I can redraw my item in combobox.
But I have the new problem of my new combobox, it's the item detail lost.
 
That you can see in my image, each column have images and it's font still have the different font color too. (in the future for the font type)
 
But when I click the other column to change the selected. They can show the default font format with no have the image in the current selected.
 
How can I fix this problem? Because I tested with CComboBox is OK.  Or you can check my source code if you want.
 
Thank you again.
]]> Tue, 18 Mar 2008 10:53:14 +0000 http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32374&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32374 <![CDATA[How to reach the DrawItem() in CXTPControlComboBox : Hi, Check ToolkitPro\Samples\CommandBars\CustomThemes...]]> http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32351&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32351 Author: Oleg
Subject: 9905
Posted: 18 March 2008 at 3:55am

Hi,
 
Check ToolkitPro\Samples\CommandBars\CustomThemes - exactly same code works for CControlComboBoxCustomDraw.
]]> Tue, 18 Mar 2008 03:55:03 +0000 http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32351&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32351 <![CDATA[How to reach the DrawItem() in CXTPControlComboBox : To oleg, mgampi or others I...]]> http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32344&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32344 Author: hikaroute
Subject: 9905
Posted: 17 March 2008 at 10:47pm

To oleg, mgampi or others
 
I use this function
 
----------------------------------------------------------------
int CMainFrame::OnCreateControl(LPCREATECONTROLSTRUCT lpCreateControl)
{
     if ((lpCreateControl->nID == ID_COMBO_TEST))
     {
          lpCreateControl->pControl = new CNewComboBox(GetCommandBars());
          reinterpret_cast<CNewComboBox*>(lpCreateControl->pControl)->ModifyListBoxStyle(0, LBS_OWNERDRAWFIXED | LBS_HASSTRINGS);
          return TRUE;
     }
}
----------------------------------------------------------------
 
But the function name void CNewComboBox::DrawItem( LPDRAWITEMSTRUCT lpDrawItemStruct ); still can not use.
Please tell me how to fix for run DrawItem() function.
 
Thank you.
]]> Mon, 17 Mar 2008 22:47:03 +0000 http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32344&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32344 <![CDATA[How to reach the DrawItem() in CXTPControlComboBox : Ah, I see! I think, you have...]]> http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32313&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32313 Author: mgampi
Subject: 9905
Posted: 17 March 2008 at 4:44am

Ah, I see!
 
I think, you have to reinterpret_cast<> lpCreatControl->pControl or DYNAMIC_DOWNCAST() to a CXTPControlComboBox like this:
 
reinterpret_cast<CXTPControlComboBox*>(lpCreateControl->pControl)->ModifyListBoxStyle(...)
]]> Mon, 17 Mar 2008 04:44:01 +0000 http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32313&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32313 <![CDATA[How to reach the DrawItem() in CXTPControlComboBox : Thank you mgampi , But the thing...]]> http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32312&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32312 Author: hikaroute
Subject: 9905
Posted: 17 March 2008 at 4:26am

Thank you mgampi ,
But the thing I need to know is how to create & manage the ModifyListBoxStyle in the OnCreateControl() function...
 
int CMainFrame::OnCreateControl(LPCREATECONTROLSTRUCT lpCreateControl)
{
     if ((lpCreateControl->nID == ID_COMBO_TEST))
     {
          lpCreateControl->pControl = new CXTPControlComboBox(GetCommandBars());
          lpCreateControl->pControl->ModifyListBoxStyle(0, LBS_OWNERDRAWFIXED | LBS_HASSTRINGS);
          return TRUE;
     }
     return FALSE;
}
 
]]> Mon, 17 Mar 2008 04:26:23 +0000 http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32312&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32312 <![CDATA[How to reach the DrawItem() in CXTPControlComboBox : Hi, I did it this way: Derive...]]> http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32311&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32311 Author: mgampi
Subject: 9905
Posted: 17 March 2008 at 4:09am

Hi,
I did it this way:
 
Derive not only from CXTPControlComboBox but also from CXTPControlComboBoxList:
 
class CXRCurveComboBox;
class CXRCurveComboBoxList : public CXTPControlComboBoxList
{
DECLARE_XTP_COMMANDBAR(CXRCurveComboBoxList);
DECLARE_MESSAGE_MAP()
public:
void DrawItem ( LPDRAWITEMSTRUCT lpDrawItemStruct );
void DeleteItem(LPDELETEITEMSTRUCT lpDeleteItemStruct);
void CreateListBox();
friend class CXRCurveComboBox;
};
class CXRCurveComboBox : public CXTPControlComboBox
{
DECLARE_XTP_CONTROL(CXRCurveComboBox)
public:
CXRCurveComboBox();
virtual ~CXRCurveComboBox();
...
void DrawEditText(CDC* pDC, CRect rcText);
 
protected:
DECLARE_MESSAGE_MAP()
};
 
/// Implementation (only important parts...)
CXRCurveComboBox::CXRCurveComboBox()
{
if (m_pCommandBar)
{
m_pCommandBar->InternalRelease();
}
m_pCommandBar = new CXRCurveComboBoxList();
((CXRCurveComboBoxList*)m_pCommandBar)->CreateListBox();
}
 
CXRCurveComboBox::~CXRCurveComboBox()
{
}
 
void CXRCurveComboBoxList::CreateListBox()
{
ASSERT_VALID(_gMainInstance);
VERIFY(CreateEx(WS_EX_STATICEDGE|WS_EX_TOOLWINDOW, _T("LISTBOX"), _T(""),WS_VSCROLL|WS_BORDER|WS_CLIPCHILDREN|LBS_SORT|
LBS_OWNERDRAWFIXED|LBS_HASSTRINGS|WS_POPUP|LBS_NOTIFY,
CRect(0,0,0,0), _gMainInstance, 0)==TRUE);

SetWindowLongPtr(m_hWnd, GWLP_HWNDPARENT, 0 );
ModifyStyle(WS_CHILD, WS_POPUP);

#ifdef _WIN64
SetWindowLongPtr(m_hWnd, GWLP_HWNDPARENT, (LONG_PTR)_gMainInstance->GetSafeHwnd());
#else
SetWindowLong(m_hWnd, GWLP_HWNDPARENT, (LONG)(LONG_PTR)_gMainInstance->GetSafeHwnd());
#endif
}
 
_gMainInstance is in my case the global window handle (AfxGetMainWnd()). I do this this way because the classes are exported from a DLL.
 
Hope this helps
]]> Mon, 17 Mar 2008 04:09:31 +0000 http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32311&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32311 <![CDATA[How to reach the DrawItem() in CXTPControlComboBox : And the code of new CXTPControlComboBox...]]> http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32310&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32310 Author: hikaroute
Subject: 9905
Posted: 17 March 2008 at 4:00am

And the code of new CXTPControlComboBox is
 
-- header --
#ifndef __NEW_COMBOBOX_H__
#define __NEW_COMBOBOX_H__
class CNewComboBox : public CXTPControlComboBox
{
protected:
public:
     CNewComboBox(CXTPCommandBars* pCommandBars = NULL);
     virtual void DrawItem( LPDRAWITEMSTRUCT lpDrawItemStruct );
     DECLARE_XTP_CONTROL(CNewComboBox)
};
#endif //__NEW_COMBOBOX_H__
 
-- body --
#include "stdafx.h"
#include "newcombobox.h"
IMPLEMENT_XTP_CONTROL(CNewComboBox, CXTPControlComboBox)
CNewComboBox::CNewComboBox(CXTPCommandBars* pCommandBars)
{
     m_pCommandBar->SetCommandBars(pCommandBars);
}
void CNewComboBox::DrawItem( LPDRAWITEMSTRUCT pDrawItemStruct )
{
     AfxMessageBox("Draw");     // Sample for testing
}
 
]]> Mon, 17 Mar 2008 04:00:00 +0000 http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32310&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32310 <![CDATA[How to reach the DrawItem() in CXTPControlComboBox : Hi again oleg, Yes, for the standard...]]> http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32308&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32308 Author: hikaroute
Subject: 9905
Posted: 17 March 2008 at 3:23am

Hi again oleg,

Yes, for the standard function that use LBS_OWNERDRAWFIXED, I think all should cleared(function works).  But when I use it in the OnCreateControl(LPCREATECONTROLSTRUCT lpCreateControl) function.  And the code inside should be
...
if ((lpCreateControl->nID == ID_COMBO_ENP_LAYER))
{
lpCreateControl->pControl = new CXTPControlComboBox(GetCommandBars));
lpCreateControl->pControl->ModifyListBoxStyle(0, LBS_OWNERDRAWFIXED | LBS_HASSTRINGS);
return TRUE;
}
...
But I cannot use the modifyListBoxStyle like this, how to fixed this problem.
 
Thank you again.
]]> Mon, 17 Mar 2008 03:23:28 +0000 http://forum.codejock.com/forum_posts.asp?TID=9905&PID=32308&title=how-to-reach-the-drawitem-in-cxtpcontrolcombobox#32308