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fix for visible lines calculation

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10937 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2001-07-10 12:45:47 +00:00
parent 8000ae7f7c
commit 152c57f206
1 changed files with 3 additions and 1 deletions
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4
src/generic/listctrl.cpp
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@@ -4032,7 +4032,9 @@ void wxListMainWindow::GetVisibleLinesRange(size_t *from, size_t *to)
{ {
m_lineFrom = GetScrollPos(wxVERTICAL); m_lineFrom = GetScrollPos(wxVERTICAL);
wxASSERT_MSG( m_lineFrom < count, _T("invalid scroll position?") ); // this may happen if SetScrollbars() hadn't been called yet
if ( m_lineFrom >= count )
m_lineFrom = count;
// we redraw one extra line but this is needed to make the redrawing // we redraw one extra line but this is needed to make the redrawing
// logic work when there is a fractional number of lines on screen // logic work when there is a fractional number of lines on screen