diff -r 527a66c0afb2 -r e377456302df ui/winui/label.cpp
--- a/ui/winui/label.cpp	Tue Oct 17 21:00:48 2023 +0200
+++ b/ui/winui/label.cpp	Tue Oct 17 21:50:48 2023 +0200
@@ -70,7 +70,7 @@
         // TODO:
     }
 
-    // add button to current container
+    // add label to current container
     UI_APPLY_LAYOUT1(current, args);
 
     current->container->Add(label, false);
@@ -102,3 +102,54 @@
     TextBox box = widget->uielement.as<TextBox>();
     box.Text(ui_string_set(str, newvalue));
 }
+
+
+// -------------------- progressbar -------------------------
+
+UIWIDGET ui_progressbar_create(UiObject* obj, UiProgressbarArgs args) {
+    UiObject* current = uic_current_obj(obj);
+
+    // create textbox and toolkit wrapper
+    ProgressBar progressbar = ProgressBar();
+    progressbar.Minimum(args.min);
+    progressbar.Maximum(args.max == 0 ? 100 : args.max);
+    if (args.width > 0) {
+        progressbar.Width(args.width);
+    }
+
+    UIElement elm = progressbar;
+    UiWidget* widget = new UiWidget(elm);
+    ui_context_add_widget_destructor(current->ctx, widget);
+
+    UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_DOUBLE);
+    if (var) {
+        UiDouble* value = (UiDouble*)var->value;
+        value->obj = widget;
+        value->get = ui_progressbar_get;
+        value->set = ui_progressbar_set;
+
+        // listener for notifying observers
+        // TODO:
+    }
+
+    // add button to current container
+    UI_APPLY_LAYOUT1(current, args);
+
+    current->container->Add(progressbar, false);
+
+    return widget;
+}
+
+double ui_progressbar_get(UiDouble * d) {
+    UiWidget* widget = (UiWidget*)d->obj;
+    ProgressBar progressbar = widget->uielement.as<ProgressBar>();
+    d->value = progressbar.Value();
+    return d->value;
+}
+
+void  ui_progressbar_set(UiDouble * d, double newvalue) {
+    UiWidget* widget = (UiWidget*)d->obj;
+    ProgressBar progressbar = widget->uielement.as<ProgressBar>();
+    d->value = newvalue;
+    progressbar.Value(newvalue);
+}