Setting the height of a list control

wallacechoi@hactl.com.hk
Monday, August 19, 1996

     Environment: VC++ 4.0, Win 95
     
     Hi Everybody,
     
     I am trying to double the height of the list control in a form view 
     with the following code.
     
     
        CListCtrl*   plist = (CListCtrl*) GetDlgItem(IDC_LIST1);
        CHeaderCtrl* pHead = (CHeaderCtrl*) plist->GetDlgItem(0);
     
        HD_LAYOUT layout;
        pHead->Layout(&layout);
        plist->InsertColumn(0,"Some Text", LVCFMT_LEFT, 500,0);
        
        layout.pwpos->cy = layout.pwpos->cy * 2;
     
     
        CWnd* pWnd = pHead->FromHandle(layout.pwpos->hwndInsertAfter);
        pHead->SetWindowPos(pWnd, layout.pwpos->x, layout.pwpos->y,         
                            layout.pwpos->cx, layout.pwpos->cy,             
                            layout.pwpos->flags);
     
     
     But, I found the SetWindowPos function returns false and the height 
     have not been set. Have I ignored something or done something wrong?? 
     What is the proper place to put the code??(I have try 
     OnInitialUpdate() but it cause an assertion error. Currently, I just 
     place them in OnDraw()).
     
     
     Thanks for any suggestion.
     
     
     Wallace PEI, 
     e-mail:WallaceChoi@hatcl.com.hk

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David.Lowndes@bj.co.uk
Wednesday, August 21, 1996

>     I am trying to double the height of the list control in a form view 
>     with the following code...
>     
>        pHead->SetWindowPos(pWnd, layout.pwpos->x, layout.pwpos->y,         
>                            layout.pwpos->cx, layout.pwpos->cy,             
>                            layout.pwpos->flags);

     
Wallace,

Have you checked the layout.pwpos->flags? It might contain flags that excluse
the resize operation you'll need. You could try passing:

	(SWP_NOACTIVATE| SWP_NOMOVE | SWP_NOZORDER)

Dave Lowndes

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MICHAEL@datatree.com
Sunday, August 25, 1996

Here's how I set the height of a CListCtrl from my CMainFrame class:

    // Adjust size of ClistCtrl and its frame
    CListCtrl* pListCtrl = (CListCtrl*)theApp.mpView->GetListCtrl();
    CWnd* pParentFrame = pListCtrl->GetParentFrame();
    pParentFrame->MoveWindow(xcoord, ycoord, cx, cy);

Good luck.

>     Environment: VC++ 4.0, Win 95
>     
>     I am trying to double the height of the list control in a form view.
>     

Michael Thal        michael@datatree.com                              
Data Tree Corp.     http://www.datatree.com


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