Drag widgets into it from the palette into the hierarchy view, each child will increase the possible index. Then just change the active index. (At design time you can just select the child in the hierarchy and the widget switcher will switch to it.
Drag widgets into it from the palette into the hierarchy view, each child will increase the possible index. Then just change the active index. (At design time you can just select the child in the hierarchy and the widget switcher will switch to it.