} else if (VButton.class == classType) {
return new VButton();
} else if (VNativeButton.class == classType) {
return new VNativeButton();
} else if (VWindow.class == classType) {
return new VWindow();
} else if (VOrderedLayout.class == classType) {
return new VOrderedLayout();
} else if (VVerticalLayout.class == classType) {
return new VVerticalLayout();
} else if (VHorizontalLayout.class == classType) {