X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9e82cf9876d744d4bd79ffbe5ee023c4ff5fc135..6a205442c40cd6e22efab15fd7170a0aeab99cae:/contrib/src/xrc/xh_sizer.cpp

diff --git a/contrib/src/xrc/xh_sizer.cpp b/contrib/src/xrc/xh_sizer.cpp
index 2a1bbf8eb9..eaeec961c2 100644
--- a/contrib/src/xrc/xh_sizer.cpp
+++ b/contrib/src/xrc/xh_sizer.cpp
@@ -27,6 +27,8 @@
 #include "wx/panel.h"
 #include "wx/tokenzr.h"
 
+IMPLEMENT_DYNAMIC_CLASS(wxSizerXmlHandler, wxXmlResourceHandler)
+
 bool wxSizerXmlHandler::IsSizerNode(wxXmlNode *node)
 {
     return (IsOfClass(node, wxT("wxBoxSizer"))) ||
@@ -140,6 +142,7 @@ wxObject *wxSizerXmlHandler::DoCreateResource()
 
         wxCHECK_MSG(m_parentSizer != NULL ||
                 (parentNode->GetType() == wxXML_ELEMENT_NODE &&
+                    m_parentAsWindow != NULL &&
                     (m_parentAsWindow->IsKindOf(CLASSINFO(wxPanel)) ||
                      m_parentAsWindow->IsKindOf(CLASSINFO(wxFrame)) ||
                      m_parentAsWindow->IsKindOf(CLASSINFO(wxDialog)))