fixed memory leaks

[wxWidgets.git] / src / common / wincmn.cpp

diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp
index b41f60f7dcdfd82f5577834aaa11e2ce299b063a..1cbe67838f11b12ab5ead1be7011fa3dd4068c9f 100644 (file)
--- a/src/common/wincmn.cpp
+++ b/src/common/wincmn.cpp
@@ -354,10 +354,11 @@ void wxWindowBase::Centre(int direction)
 
     // controls are always centered on their parent because it doesn't make
     // sense to centre them on the screen
-    if ( !(direction & wxCENTRE_ON_SCREEN) || wxDynamicCast(this, wxControl) )
+    if ( !(direction & wxCENTRE_ON_SCREEN) || !IsTopLevel() )
     {
-        // theo nly chance to get this is to have a wxControl without parent
-        wxCHECK_RET( parent, wxT("a control must have a parent") );
+        // the only chance to get this is to have a not top level window
+        // without parent which shouldn't happen
+        wxCHECK_RET( parent, wxT("this window must have a parent") );
 
         // adjust to the parents client area origin
         wxPoint posParent = parent->ClientToScreen(wxPoint(0, 0));