diff -r 4a8b1a748f09 -r 5db4979bf482 ui/winui/button.cpp
--- a/ui/winui/button.cpp	Sun Sep 24 12:03:57 2023 +0200
+++ b/ui/winui/button.cpp	Sun Oct 01 09:23:47 2023 +0200
@@ -41,13 +41,13 @@
 using namespace Windows::UI::Xaml::Interop;
 using namespace winrt::Windows::Foundation;
 
-UIWIDGET ui_button(UiObject* obj, char* label, ui_callback f, void* data) {
+UIWIDGET ui_button_create(UiObject* obj, UiButtonArgs args) {
 	UiObject* current = uic_current_obj(obj);
 
 	// create button with label
 	Button button = Button();
-	if (label) {
-		wchar_t *wlabel = str2wstr(label, nullptr);
+	if (args.label) {
+		wchar_t* wlabel = str2wstr(args.label, nullptr);
 		button.Content(box_value(wlabel));
 		free(wlabel);
 	}
@@ -58,10 +58,10 @@
 	ui_context_add_widget_destructor(current->ctx, widget);
 
 	// register callback
-	if (f) {
+	if (args.onclick) {
 		widget->obj = obj;
-		widget->event_func = (ui_eventfunc)f;
-		widget->event_data = data;
+		widget->event_func = (ui_eventfunc)args.onclick;
+		widget->event_data = args.onclickdata;
 		button.Click([widget](IInspectable const& sender, RoutedEventArgs) {
 			ui_callback cb = (ui_callback)widget->event_func;
 
@@ -72,11 +72,20 @@
 			evt.eventdata = nullptr;
 			evt.intval = 0;
 			cb(&evt, widget->event_data);
-		} );
+			});
 	}
-	
+
 	// add button to current container
+	UI_APPLY_LAYOUT1(current, args);
 	current->container->Add(button, false);
 
 	return widget;
 }
+
+UIWIDGET ui_checkbox_create(UiObject* obj, UiToggleArgs args) {
+	return nullptr;
+}
+
+UIWIDGET ui_radiobutton_create(UiObject* obj, UiToggleArgs) {
+	return nullptr;
+}