VTK wrapper of vtkRenderWindow for wxPython. Tested on MSW so far.

[wxWidgets.git] / src / msw / treectrl.cpp

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index 44c408406b6d03bb6d221ec415a45200bce43ba4..aebe08ac3959d08b6d478bd7a7dd10abcd8f2bf9 100644 (file)
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -315,10 +315,10 @@ bool wxTreeCtrl::Create(wxWindow *parent,
     if ( m_windowStyle & wxTR_LINES_AT_ROOT )
         wstyle |= TVS_LINESATROOT;
 
-#if !defined( __GNUWIN32__ ) && !defined( __BORLANDC__ ) && !defined(wxUSE_NORLANDER_HEADERS)
+#if !defined( __GNUWIN32__ ) && !defined( __BORLANDC__ ) && !defined( __WATCOMC__ ) && !defined(wxUSE_NORLANDER_HEADERS)
     // we emulate the multiple selection tree controls by using checkboxes: set
     // up the image list we need for this if we do have multiple selections
-#if !defined(__VISUALC__) || (__VISUALC__ != 1010)
+#if !defined(__VISUALC__) || (__VISUALC__ > 1010)
     if ( m_windowStyle & wxTR_MULTIPLE )
         wstyle |= TVS_CHECKBOXES;
 #endif
@@ -1409,6 +1409,8 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
                 event.m_item = (WXHTREEITEM)info->item.hItem;
                 event.m_label = info->item.pszText;
+                if (info->item.pszText == NULL)
+                    return FALSE;
                 break;
             }