Create A CListCtrl Dynamically

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Hi all,

My issue is clear, I wanna to create a CListCtrl into a FormView Dynamically.

i tried this code like below :

C++

CListCtrl* TmpCobA;
TmpCobA->Create(WS_CHILD|WS_VISIBLE|WS_BORDER|LVS_REPORT,
    CRect(10,10,400,200), NULL, 1);

but when debugging it said

Run-Time Check Failure #3 - The variable 'TmpCobA' is being used without being defined.

Posted 11-Apr-12 23:51pm

Schehaider_Aymen

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Schehaider_Aymen · Accepted Answer · 2012-04-11T23:59:00

It Worked Like That :

C#

// TODO: Add extra initialization here
    CListCtrl* TmpCobA = new CListCtrl;

    TmpCobA ->Create(WS_CHILD | WS_VISIBLE,
    CRect(10, 10, 320, 280), this, 0x285);

The Main Work is that i wanna create a custom control (the CMultilineList)

But It crashes

C#

CMultilineList *lstCtrl = new CMultilineList;
lstCtrl->Create(this, CRect(10, 10, 320, 280), 0x285, WS_CHILD | WS_VISIBLE);

pointing to the Assert Statement (below)

C#

_AFXWIN_INLINE int CFont::GetLogFont(LOGFONT* pLogFont)
    { ASSERT(m_hObject != NULL);
        return ::GetObject(m_hObject, sizeof(LOGFONT), pLogFont); }

Jochen Arndt · Accepted Answer · 2012-04-11T23:58:00

You declared a pointer to the list control without assigning the address of an existing list control. The solution is to allocate memory:

C++

CListCtrl* TmpCobA = new CListCtrl;
TmpCobA->Create(WS_CHILD|WS_VISIBLE|WS_BORDER|LVS_REPORT,
    CRect(10,10,400,200), NULL, 1);

or use a local variable:

C++

CListCtrl TmpCobA;
TmpCobA.Create(WS_CHILD|WS_VISIBLE|WS_BORDER|LVS_REPORT,
    CRect(10,10,400,200), NULL, 1);

Create A CListCtrl Dynamically

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Create A CListCtrl Dynamically

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