X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/19230604c4a41c9a058e22a1719f4919c7f2dd37..211cc8dc907ee50ca6d383b8df16bba9a4d3ce2d:/src/msw/listctrl.cpp

diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp
index 904294c968..1196685fe8 100644
--- a/src/msw/listctrl.cpp
+++ b/src/msw/listctrl.cpp
@@ -1419,10 +1419,10 @@ bool wxListCtrl::SortItems(wxListCtrlCompare fn, long data)
         wxHashTable attrsNew(wxKEY_INTEGER, 1000);
         for ( n = 0; n < count; n++ )
         {
-            wxObject *attr = m_attrs.Delete(n);
+            wxObject *attr = m_attrs.Delete(aItems[n]);
             if ( attr )
             {
-                attrsNew.Put(aItems[n], attr);
+                attrsNew.Put(n, attr);
             }
         }
 
@@ -1904,24 +1904,28 @@ void wxListCtrl::OnPaint(wxPaintEvent& event)
 
     int itemCount = GetItemCount();
     int i;
-    for (i = 0; i < itemCount; i++)
+    if (drawHRules)
     {
-        if (GetItemRect(i, itemRect))
+        long top = GetTopItem();
+        for (i = top; i < top + GetCountPerPage() + 1; i++)
         {
-            cy = itemRect.GetTop();
-            if (i != 0) // Don't draw the first one
-            {
-                dc.DrawLine(0, cy, clientSize.x, cy);
-            }
-            // Draw last line
-            if (i == (GetItemCount() - 1))
+            if (GetItemRect(i, itemRect))
             {
-                cy = itemRect.GetBottom();
-                dc.DrawLine(0, cy, clientSize.x, cy);
+                cy = itemRect.GetTop();
+                if (i != 0) // Don't draw the first one
+                {
+                    dc.DrawLine(0, cy, clientSize.x, cy);
+                }
+                // Draw last line
+                if (i == itemCount - 1)
+                {
+                    cy = itemRect.GetBottom();
+                    dc.DrawLine(0, cy, clientSize.x, cy);
+                }
             }
         }
     }
-    i = (GetItemCount() - 1);
+    i = itemCount - 1;
     if (drawVRules && (i > -1))
     {
         wxRect firstItemRect;