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Why doesn't CreatePopupButtonControl draw?

I am building a carbon app with popup menus that I need to build programaticly. I find that the controls show up in the UI and when I click on them the popup menu appears, but once released the controls draw with no text in the menu. Here is how I am building the controls:

menuID = ::UniqueID('MENU');
err = CreateNewMenu(menuID,0,&newMenu); // create the menu that popup control will use, use ppd control as ID
.... Add some items to the menu....
::AddResource ((char**)newMenu,'MENU',menuID,"\pfoo"); // add it to to the resource map so CreatePopup can find it
err = CreatePopupButtonControl(GetControlOwner(view),location,titleCF,menuID,t rue,100,teJustLeft,0,&PopupControl);
SetControlPopupMenuHandle(PopupControl,newMenu);

Any ideas on what would cause the control not to draw the currently selected item in the menu?

Thanks much,
Jason
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