X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2091f5e71a1d04cf9277565121725f764d466a06..c616c2e834192db06bbef18b9404824f563e335f:/src/msw/tbar95.cpp

diff --git a/src/msw/tbar95.cpp b/src/msw/tbar95.cpp
index f98b8c45d6..1b69f1db05 100644
--- a/src/msw/tbar95.cpp
+++ b/src/msw/tbar95.cpp
@@ -1231,13 +1231,19 @@ wxToolBarToolBase *wxToolBar::FindToolForPosition(wxCoord x, wxCoord y) const
 
 void wxToolBar::UpdateSize()
 {
-    // the toolbar size changed
-    ::SendMessage(GetHwnd(), TB_AUTOSIZE, 0, 0);
+    // In case Realize is called after the initial display (IOW the programmer
+    // may have rebuilt the toolbar) give the frame the option of resizing the
+    // toolbar to full width again, but only if the parent is a frame and the
+    // toolbar is managed by the frame.  Otherwise assume that some other
+    // layout mechanism is controlling the toolbar size and leave it alone.
 
-    // we must also refresh the frame after the toolbar size (possibly) changed
     wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
-    if ( frame )
+    if ( frame && frame->GetToolBar() == this )
+    {
+        // the toolbar size changed
+        ::SendMessage(GetHwnd(), TB_AUTOSIZE, 0, 0);
         frame->SendSizeEvent();
+    }
 }
 
 // ----------------------------------------------------------------------------