X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1e6feb95a79834836e88143b15d9f424ebe79621..f2616db56739e4962f683f59ac9e207756efe23c:/src/common/wincmn.cpp

diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp
index 0e16d408ce..f71daad3b5 100644
--- a/src/common/wincmn.cpp
+++ b/src/common/wincmn.cpp
@@ -268,6 +268,12 @@ wxWindowBase::~wxWindowBase()
     if ( m_tooltip )
         delete m_tooltip;
 #endif // wxUSE_TOOLTIPS
+
+    // reset the dangling pointer our parent window may keep to us
+    if ( m_parent && m_parent->GetDefaultItem() == this )
+    {
+        m_parent->SetDefaultItem(NULL);
+    }
 }
 
 bool wxWindowBase::Destroy()
@@ -305,6 +311,7 @@ bool wxWindowBase::DestroyChildren()
 
         wxASSERT_MSG( child, wxT("children list contains empty nodes") );
 
+        child->Show(FALSE);
         delete child;
 
         wxASSERT_MSG( !GetChildren().Find(child),
@@ -1383,7 +1390,7 @@ void wxWindowBase::UpdateWindowUI()
 
         if ( event.GetSetText() )
         {
-            wxControl *control = wxDynamicThisCast(this, wxControl);
+            wxControl *control = wxDynamicCastThis(wxControl);
             if ( control )
             {
 #if wxUSE_TEXTCTRL
@@ -1397,7 +1404,7 @@ void wxWindowBase::UpdateWindowUI()
         }
 
 #if wxUSE_CHECKBOX
-        wxCheckBox *checkbox = wxDynamicThisCast(this, wxCheckBox);
+        wxCheckBox *checkbox = wxDynamicCastThis(wxCheckBox);
         if ( checkbox )
         {
             if ( event.GetSetChecked() )
@@ -1406,7 +1413,7 @@ void wxWindowBase::UpdateWindowUI()
 #endif // wxUSE_CHECKBOX
 
 #if wxUSE_RADIOBTN
-        wxRadioButton *radiobtn = wxDynamicThisCast(this, wxRadioButton);
+        wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton);
         if ( radiobtn )
         {
             if ( event.GetSetChecked() )