Brew MP 1.0.2
This function retrieves a pointer to the first widget in the XY container's widget stack.
This is, effectively, the widget at the top of the widget stack. The widget on the top
of the stack is the first one drawn onscreen and is the bottommost with regard to
front-to-back ordering within the container.
IWidget *IXYContainer_GetFirstWidget(IXYContainer *pif);
A pointer to the widget at the top of the XY container's widget stack, or NULL
widget stack is empty.