+ wxPanel *panel = new wxPanel(this, -1);
+ wxStaticBox *box = new wxStaticBox(panel, -1, "box");
+ wxComboBox *combo = new wxComboBox(panel, -1, "combo");
+ wxLayoutConstraints *c;
+ c = new wxLayoutConstraints;
+ c->left.SameAs(panel, wxLeft);
+ c->right.SameAs(panel, wxRight);
+ c->top.SameAs(panel, wxTop);
+ c->bottom.SameAs(panel, wxBottom);
+ box->SetConstraints(c);
+ c = new wxLayoutConstraints;
+ c->left.SameAs(box, wxLeft, 20);
+ c->right.SameAs(box, wxRight, 10);
+ c->top.SameAs(box, wxTop, 10);
+ c->bottom.SameAs(box, wxBottom, 10);
+ combo->SetConstraints(c);
+ panel->SetAutoLayout(TRUE);
+