private void LoadProjectHandler(IProjectHandler projectHandler)
{
UnloadProjectHandler();
ProjectSelectorHandler = projectHandler;
LeftDatabaseSelector = ProjectSelectorHandler.CreateSourceSelector();
RightDatabaseSelector = ProjectSelectorHandler.CreateDestinationSelector();
LeftDatabasePanel.Controls.Add(LeftDatabaseSelector.Control);
RightDatabasePanel.Controls.Add(RightDatabaseSelector.Control);
}