Check for m_peer != NULL in Freeze and Thaw

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29016 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2004-09-03 19:04:17 +00:00
parent ee8bee6c8c
commit 52ef5c3c40
1 changed files with 7 additions and 3 deletions
--- a/src/mac/carbon/window.cpp
+++ b/src/mac/carbon/window.cpp
@@ -2133,6 +2133,7 @@ void wxWindowMac::Freeze()
 #if TARGET_API_MAC_OSX
    if ( !m_frozenness++ )
    {
+        if ( m_peer && m_peer->Ok() )
            m_peer->SetDrawingEnabled( false ) ;
    }
 #endif
@@ -2145,10 +2146,13 @@ void wxWindowMac::Thaw()
    wxASSERT_MSG( m_frozenness > 0, _T("Thaw() without matching Freeze()") );

    if ( !--m_frozenness )
+    {
+        if ( m_peer && m_peer->Ok() )
        {
            m_peer->SetDrawingEnabled( true ) ;
            m_peer->InvalidateWithChildren() ;
        }
+    }
 #endif
 }