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Commit 292d8429 authored by Adam Gundy's avatar Adam Gundy Committed by Alexandre Julliard
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TREEVIEW_UpdateScrollBars() now copes with an empty tree.

parent d4fcc4bd
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dlls/comctl32/treeview.c
View file @ 292d8429
...@@ -2690,6 +2690,8 @@ TREEVIEW_UpdateScrollBars(TREEVIEW_INFO *infoPtr) ...@@ -2690,6 +2690,8 @@ TREEVIEW_UpdateScrollBars(TREEVIEW_INFO *infoPtr)
if (vert) if (vert)
{ {
si.nPage = TREEVIEW_GetVisibleCount(infoPtr); si.nPage = TREEVIEW_GetVisibleCount(infoPtr);
if ( si.nPage )
{
si.nPos = infoPtr->firstVisible->visibleOrder; si.nPos = infoPtr->firstVisible->visibleOrder;
si.nMax = infoPtr->maxVisibleOrder - 1; si.nMax = infoPtr->maxVisibleOrder - 1;
...@@ -2705,6 +2707,13 @@ TREEVIEW_UpdateScrollBars(TREEVIEW_INFO *infoPtr) ...@@ -2705,6 +2707,13 @@ TREEVIEW_UpdateScrollBars(TREEVIEW_INFO *infoPtr)
ShowScrollBar(hwnd, SB_VERT, FALSE); ShowScrollBar(hwnd, SB_VERT, FALSE);
infoPtr->uInternalStatus &= ~TV_VSCROLL; infoPtr->uInternalStatus &= ~TV_VSCROLL;
} }
}
else
{
if (infoPtr->uInternalStatus & TV_VSCROLL)
ShowScrollBar(hwnd, SB_VERT, FALSE);
infoPtr->uInternalStatus &= ~TV_VSCROLL;
}
if (horz) if (horz)
{ {
......
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