Bug in OnWindowPosChanging

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   Hello,
I found a bug in OnWindowPosChanging function for EditListBox.
I use this EditListBox on the resizable form view which lies in the TabView and sometimes EditListBox not only change it size but also move down.
I found this code in the OnWindowPosChanging for CXTEditListBox:
if (HasToolbar() && ::IsWindow(m_editGroup.m_hWnd))
{
   lpwndpos->cy -= BTN_OFFSET;
   lpwndpos->y  += BTN_OFFSET;
}

and change it to these one:
if (HasToolbar() && ::IsWindow(m_editGroup.m_hWnd) && !(lpwndpos->flags & (SWP_NOSIZE|SWP_NOMOVE)))
{
   lpwndpos->cy -= BTN_OFFSET;
    lpwndpos->y  += BTN_OFFSET;
}
and the problem looks to be solved.

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Karnize Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 20 October 2003 Location: Italy Status: Offline Points: 19	Post Options Post Reply Quote Karnize Report Post Thanks(0) Quote Reply Topic: Bug in OnWindowPosChanging Posted: 04 November 2003 at 2:13am
	Hello, I found a bug in OnWindowPosChanging function for EditListBox. I use this EditListBox on the resizable form view which lies in the TabView and sometimes EditListBox not only change it size but also move down. I found this code in the OnWindowPosChanging for CXTEditListBox: if (HasToolbar() && ::IsWindow(m_editGroup.m_hWnd)) { lpwndpos->cy -= BTN_OFFSET; lpwndpos->y += BTN_OFFSET; } and change it to these one: if (HasToolbar() && ::IsWindow(m_editGroup.m_hWnd) && !(lpwndpos->flags & (SWP_NOSIZE\|SWP_NOMOVE))) { lpwndpos->cy -= BTN_OFFSET; lpwndpos->y += BTN_OFFSET; } and the problem looks to be solved.