Added UpdateSize to wxSplitterWindow, to allow an app

to force pane resizing _before_ showing the window.
Added a call to UpdateSize from helpfrm.cpp. Without
this, the flicker is horrible.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@26333 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/html/helpfrm.cpp

@@ -490,6 +490,13 @@ bool wxHtmlHelpFrame::Create(wxWindow* parent, wxWindowID id,
         }
     }
     
+    // Reduce flicker by updating the splitter pane sizes before the
+    // frame is shown
+    wxSizeEvent sizeEvent(GetSize(), GetId());
+    ProcessEvent(sizeEvent);
+    
+    m_Splitter->UpdateSize();
+    
     return TRUE;
 }