X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d66d050088ee2012542a2d2607b5329ff5f3a491..e6ba38871f6cc5c02391c04e37e481d0428cef3f:/src/msw/window.cpp?ds=sidebyside

diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 7a81ded775..5ddf3d7a8c 100644
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -4262,13 +4262,14 @@ bool wxWindowMSW::HandlePower(WXWPARAM WXUNUSED_IN_WINCE(wParam),
 
 bool wxWindowMSW::IsDoubleBuffered() const
 {
-    const wxWindowMSW *wnd = this;
-    do
+    for ( const wxWindowMSW *win = this; win; win = win->GetParent() )
     {
-        if ( wxHasWindowExStyle(wnd, WS_EX_COMPOSITED) )
+        if ( wxHasWindowExStyle(win, WS_EX_COMPOSITED) )
             return true;
-        wnd = wnd->GetParent();
-    } while ( wnd && !wnd->IsTopLevel() );
+
+        if ( win->IsTopLevel() )
+            break;
+    }
 
     return false;
 }