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Under some conditions its necessary to explicitly show the 

scrollbars.
This commit is contained in:
Susan Farley 2000-10-31 01:02:05 +00:00 committed by Alexandre Julliard
parent 75b25be6ee
commit 4dc7f4ca06
1 changed files with 9 additions and 5 deletions
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14
dlls/comctl32/treeview.c
View File

@ -2495,26 +2495,25 @@ TREEVIEW_UpdateScrollBars(TREEVIEW_INFO *infoPtr)
if (vert)
{
infoPtr->uInternalStatus |= TV_VSCROLL;
si.nPage = TREEVIEW_GetVisibleCount(infoPtr);
si.nPos = infoPtr->firstVisible->visibleOrder;
si.nMax = infoPtr->maxVisibleOrder - 1;
SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
if (!(infoPtr->uInternalStatus & TV_VSCROLL))
ShowScrollBar(hwnd, SB_VERT, TRUE);
infoPtr->uInternalStatus |= TV_VSCROLL;
}
else
{
if (infoPtr->uInternalStatus & TV_VSCROLL)
ShowScrollBar(hwnd, SB_VERT, FALSE);
infoPtr->uInternalStatus &= ~TV_VSCROLL;
}
if (horz)
{
infoPtr->uInternalStatus |= TV_HSCROLL;
si.nPage = infoPtr->clientWidth;
si.nPos = infoPtr->scrollX;
si.nMax = infoPtr->treeWidth - 1;
@ -2525,12 +2524,17 @@ TREEVIEW_UpdateScrollBars(TREEVIEW_INFO *infoPtr)
scrollX = si.nPos;
}
if (!(infoPtr->uInternalStatus & TV_HSCROLL))
ShowScrollBar(hwnd, SB_HORZ, TRUE);
infoPtr->uInternalStatus |= TV_HSCROLL;
SetScrollInfo(hwnd, SB_HORZ, &si, TRUE);
}
else
{
if (infoPtr->uInternalStatus & TV_HSCROLL)
ShowScrollBar(hwnd, SB_HORZ, FALSE);
infoPtr->uInternalStatus &= ~TV_HSCROLL;
scrollX = 0;
}