Etwas

col@titania:~/prod/yast2/core/libyui/src> svn diff ../doc/examples
Index: ../doc/examples/ComboBox1.ycp
===================================================================
--- ../doc/examples/ComboBox1.ycp       (Revision 43156)
+++ ../doc/examples/ComboBox1.ycp       (Arbeitskopie)
@@ -1,7 +1,7 @@
 {
     UI::OpenDialog(
               `VBox(
-                    `ComboBox( "Select your Pizza:",
+                    `ComboBox( `id(`combobox), "Select your Pizza:",
                                [
                                 "Napoli",
                                 "Funghi",
@@ -10,6 +10,7 @@
                     `PushButton("&OK")
                     )
               );
+    UI::ChangeWidget(`combobox, `Value, "Salami");
     UI::UserInput();
     UI::CloseDialog();
 }