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How to Add Close Button to CXTPTabControl
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qinzhw View Drop Down
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    Posted: 26 November 2005 at 12:20am

I want to devlop an application like the sample of Samples\Common\TabbedView, the views I want to add to the CXTPTabControl are derived from CHtmlView and CFormView, and I want to add or delete tab view dynamically, so I want to display a 'Close' Button or something else for user to close the active tab view, how can I do ? my XT is 9.6

thank you very much if you can answer my question
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Oleg View Drop Down
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Points: 11234 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Oleg Quote  Post ReplyReply Direct Link To This Post Posted: 26 November 2005 at 6:31am

try

m_wndTabControl.FindNavigateButton(xtpTabNavigateButtonClose )->SetFlags(xtpTabNavigateButtonAlways);

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Oleg View Drop Down
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Points: 11234 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Oleg Quote  Post ReplyReply Direct Link To This Post Posted: 26 November 2005 at 6:32am

ps. not sure but may be "xtpTabNavigateButtonClose" in 9.6  called as

XTP_TABMANAGER_BUTTON_CLOSE
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qinzhw View Drop Down
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Points: 16 		Post Options Post Options   Thanks (0) Thanks(0)   Quote qinzhw Quote  Post ReplyReply Direct Link To This Post Posted: 26 November 2005 at 9:15am

,thank you very much,oleg, it did work,but when application exited, I got a dialog showing:

Unhandled exception at 0x00856626 (XTP9601Libd.dll) in TabCtrlTest.exe: 0xC0000005: Access violation reading location 0x00000038.
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qinzhw View Drop Down
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Points: 16 		Post Options Post Options   Thanks (0) Thanks(0)   Quote qinzhw Quote  Post ReplyReply Direct Link To This Post Posted: 26 November 2005 at 9:17am
sorry, the error occurs at the time I am closing all the tab view in a view.
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Oleg View Drop Down
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Points: 11234 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Oleg Quote  Post ReplyReply Direct Link To This Post Posted: 27 November 2005 at 4:02am
I need call stack. May be it is something in your sources.
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qinzhw View Drop Down
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Points: 16 		Post Options Post Options   Thanks (0) Thanks(0)   Quote qinzhw Quote  Post ReplyReply Direct Link To This Post Posted: 27 November 2005 at 7:39am

my sources are including a lot of chinese characters, I don't know if you can read them normally, and I found this problem exists when I add a line as follows :

 m_wndTabControl.FindNavigateButton(xtpTabNavigateButtonClose )->SetFlags(xtpTabNavigateButtonAlways);

in the end of the CTabbedViewView::OnCreate(LPCREATESTRUCT lpCreateStruct) function in TabbedView Examples.

shall I write a line as

 m_wndTabControl.FindNavigateButton(xtpTabNavigateButtonClose )->SetFlags(xtpTabNavigateButtonNone);

before I close all the tabItems?
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Oleg View Drop Down
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Points: 11234 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Oleg Quote  Post ReplyReply Direct Link To This Post Posted: 28 November 2005 at 2:47am

ic.

Problem that you copied code from our sample that don't  check that

GetSelectedItem() can be NULL because it have no ability to close views.

 

You must add these checks.

F.e.

1. in void CChildFrame::OnUpdateFrameTitle(BOOL bAddToTitle)

add if (pView && pView->m_wndTabControl.GetSelectedItem())

2. in CTabbedViewView::OnSelectedChanged

add

 

 if (m_wndTabControl.GetSelectedItem())
 {
  CView* pView = DYNAMIC_DOWNCAST(CView, CWnd::FromHandle(m_wndTabControl.GetSelectedItem()->GetHa ndle()));
  ASSERT_KINDOF(CView, pView);

  pFrame->SetActiveView(pView);
 }
 else
 {
  pFrame->SetActiveView(this);
 }
Oleg, Support Team
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qinzhw View Drop Down
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Points: 16 		Post Options Post Options   Thanks (0) Thanks(0)   Quote qinzhw Quote  Post ReplyReply Direct Link To This Post Posted: 28 November 2005 at 6:51am
thx!!!!!!!!!!!!!!!
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