test wxExecute() in the sample

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

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index ee2a775b345b2db3ebfbed41ea8532b6d4b33ece..5628353b4b2ed7e391d62c25aaab4b7b51326bcb 100644 (file)
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -1621,11 +1621,8 @@ void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag)
                   wxT("Unknown flag in wxTreeCtrl::DoExpand") );
 
     // A hidden root can be neither expanded nor collapsed.
-    if ( (HITEM(item) == TVI_ROOT) && (m_windowStyle & wxTR_HIDE_ROOT) )
-    {
-        // No action will be taken.
-        return;
-    }
+    wxCHECK_RET( !(m_windowStyle & wxTR_HIDE_ROOT) || (HITEM(item) != TVI_ROOT),
+                 wxT("Can't expand/collapse hidden root node!") )
 
     // TreeView_Expand doesn't send TVN_ITEMEXPAND(ING) messages, so we must
     // emulate them. This behaviour has changed slightly with comctl32.dll
@@ -2302,13 +2299,12 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 eventType = wxEVT_COMMAND_TREE_KEY_DOWN;
                 TV_KEYDOWN *info = (TV_KEYDOWN *)lParam;
 
-                // we pass 0 as last CreateKeyEvent() parameter because we
+                // we pass 0 as 2 last CreateKeyEvent() parameters because we
                 // don't have access to the real key press flags here - but as
                 // it is only used to determin wxKeyEvent::m_altDown flag it's
                 // not too bad
                 event.m_evtKey = CreateKeyEvent(wxEVT_KEY_DOWN,
-                                                wxCharCodeMSWToWX(info->wVKey),
-                                                0);
+                                                wxCharCodeMSWToWX(info->wVKey));
 
                 // a separate event for Space/Return
                 if ( !wxIsCtrlDown() && !wxIsShiftDown() &&