wxMDIClientWindow* clientWindow = parent->GetClientWindow();
- wxASSERT_MSG( (clientWindow != (wxWindow*) NULL), "Missing MDI client window.");
+ wxCHECK_MSG( clientWindow, false, "Missing MDI client window." );
- if (clientWindow) clientWindow->AddChild(this);
+ clientWindow->AddChild(this);
SetMDIParentFrame(parent);