With my control, the target hosting Panel which can have other controls dropped onto it at design-time, is not known up-front, since my UserControl itself can be built 'on-the-fly' (as users add more Listbox items resulting in more potential hosting Panels).hen, as the user selects Listbox items, the associated Panel is displayed on the right. The problem comes at design-time, when the user drags-and-drops a control (e.g. a Button) from the toolbox onto the currently active right-hand Panel (the Panel corresponding to the currently selected Listbox item).
Originally, the native American populations along the Amazon spoke languages belonging to the Tupi-Guarani, Arawakan and Carib language families. It is thought that tribes speaking Macro-GÃª languages were driven out of the Amazon region into the Brazilian highlands shortly before contact with Europeans.
The official language of Colombia is Spanish.    English is also the official in San Andres and Providence islands.    There are 72 languages and dialects of eth â¦ nic groups that are also  official in their regions.   Colombia only has 1 official language: Spanish.ortuguese is the European language that's the official language of Brazil. It's the most widely spoken, and understood, language throughout the country. It's the language of â¦ the country's first European explorers and settlers.