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  Allow NULL parent in message dialog.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@26279 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/gtk/msgdlg.cpp b/src/gtk/msgdlg.cpp
index 755a9fd5d362fd2a1ba42aa3cb81986561127e91..9f61be98d7168d33c4d4928cc8eca631e1d9f0d6 100644 (file)
--- a/src/gtk/msgdlg.cpp
+++ b/src/gtk/msgdlg.cpp
@@ -39,9 +39,12 @@ wxMessageDialog::wxMessageDialog(wxWindow *parent,
     m_caption = caption;
     m_message = message;
     m_dialogStyle = style;
-    
-    while (!parent->IsTopLevel())
-        parent = parent->GetParent();
+
+    if (parent)
+    {    
+        while (!parent->IsTopLevel())
+            parent = parent->GetParent();
+    }
         
     m_parent = parent;
 }

diff --git a/src/gtk1/msgdlg.cpp b/src/gtk1/msgdlg.cpp
index 755a9fd5d362fd2a1ba42aa3cb81986561127e91..9f61be98d7168d33c4d4928cc8eca631e1d9f0d6 100644 (file)
--- a/src/gtk1/msgdlg.cpp
+++ b/src/gtk1/msgdlg.cpp
@@ -39,9 +39,12 @@ wxMessageDialog::wxMessageDialog(wxWindow *parent,
     m_caption = caption;
     m_message = message;
     m_dialogStyle = style;
-    
-    while (!parent->IsTopLevel())
-        parent = parent->GetParent();
+
+    if (parent)
+    {    
+        while (!parent->IsTopLevel())
+            parent = parent->GetParent();
+    }
         
     m_parent = parent;
 }