accept activeDialog closeDialog instance isAllowedAlterDocument isAllowedAlterSelection isAllowedAlterView reject showDialog showModelView showTaskView ~IControl

showDialog() void showDialog ( ITaskDialog *  dlg ) 显示对话框 将一个 ITaskDialog 对象转换为 Gui::TaskView::TaskDialog 对象，并通过 ControlSingleton 的单例实例来显示该对话框