- Setting the scroll range with the "bRedraw" flag set to true on a

non-control scrollbar resulted in the scrollbar being drawn over the whole window area. - If you don't set WS_HSCROLL/WS_VSCROLL on window creation, setting a scroll range does nothing. Setting the scroll range to a non-zero range should cause scroll bars to be displayed. Setting the range to a zero range should cause the relevant scroll bar to be hidden.

- Setting the scroll range with the "bRedraw" flag set to true on a
eed4411f · Troy Rollo · Alexandre Julliard · 5b1a13b2 · eed4411f
Commit eed4411f authored Jul 08, 2004 by Troy Rollo Committed by Alexandre Julliard Jul 08, 2004
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scroll.c controls/scroll.c +4 -1

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--- a/controls/scroll.c
+++ b/controls/scroll.c
@@ -1694,10 +1694,13 @@ BOOL bRedraw /* [in] Should scrollbar be redrawn afterwards ? */)
    if (nBar == SB_CTL)
        ret = SendMessageW(hwnd, SBM_SETRANGE, minVal, maxVal);
    else
+    {
        ret = SCROLL_SetScrollRange(hwnd, nBar, minVal, maxVal);
+        ShowScrollBar(hwnd, nBar, minVal != maxVal);
+    }

    if (bRedraw)
-        SCROLL_RefreshScrollBar( hwnd, SB_CTL, TRUE, TRUE );
+        SCROLL_RefreshScrollBar( hwnd, nBar, TRUE, TRUE );
    return ret;
 }