Prevent listview column resize

This is a discussion on Prevent listview column resize within the Windows Programming forums, part of the Platform Specific Boards category; Hey all win32 programmers Ive recently been coding a program using the listview control and cannot get the columns to ...

  1. #1
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    Prevent listview column resize

    Hey all win32 programmers

    Ive recently been coding a program using the listview control and cannot get the columns to stay a fixed size.

    Here is my code so far:
    Code:
    case WM_NOTIFY:
    {
    	LPNMLISTVIEW pNotify = (LPNMLISTVIEW)lParam;
    	if (wParam == IDC_LISTVIEW)
    	{
    		if(pNotify->hdr.code==HDN_BEGINTRACKW || pNotify->hdr.code==HDN_BEGINTRACKA)
    		{
    			return TRUE;
    		}
    	}
    }
    Does anyone know how to fix this?

    Thx in advance.

  2. #2
    Registered Abuser
    Join Date
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    HDN_BEGINTRACK
    lParam is an LPNMHEADER, so try:
    Code:
    if(((LPNMHEADER)lParam)->hdr.code == HDN_BEGINTRACK)

  3. #3
    Yes, my avatar is stolen anonytmouse's Avatar
    Join Date
    Dec 2002
    Posts
    2,544
    I suspect that the header control notifications are sent to the list-view rather than the list-view parent.

    You could get the header control using ListView_GetHeader and then remove the HDS_DRAGDROP style using SetWindowLong.

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