don't crash in dtor if the dialog had never been shown (patch 1723848)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@46183 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/msw/fdrepdlg.cpp b/src/msw/fdrepdlg.cpp
index c1f71764521e01ad189c9d7ba56a41af3f67b1eb..8cb9af619b38cc81e06a281438cb3b5596d15885 100644 (file)
--- a/src/msw/fdrepdlg.cpp
+++ b/src/msw/fdrepdlg.cpp
@@ -349,20 +349,23 @@ wxFindReplaceDialog::wxFindReplaceDialog(wxWindow *parent,
 
 wxFindReplaceDialog::~wxFindReplaceDialog()
 {
-    // the dialog might have been already deleted if the user closed it
-    // manually but in this case we should have got a notification about it and
-    // the flagmust have been set
-    if ( !m_impl->WasClosedByUser() )
+    if ( m_impl )
     {
-        // if it wasn't, delete the dialog ourselves
-        if ( !::DestroyWindow(GetHwnd()) )
+        // the dialog might have been already deleted if the user closed it
+        // manually but in this case we should have got a notification about it
+        // and the flag must have been set
+        if ( !m_impl->WasClosedByUser() )
         {
-            wxLogLastError(_T("DestroyWindow(find dialog)"));
+            // if it wasn't, delete the dialog ourselves
+            if ( !::DestroyWindow(GetHwnd()) )
+            {
+                wxLogLastError(_T("DestroyWindow(find dialog)"));
+            }
         }
-    }
 
-    // unsubclass the parent
-    delete m_impl;
+        // unsubclass the parent
+        delete m_impl;
+    }
 
     // prevent the base class dtor from trying to hide us!
     m_isShown = false;