Control and part compliant hierarchy

A hierarchy of controls and parts, that are each in accordance with constraints of a computing executing context. A control is executable code that performs a function and which may impart a visualization. A part is a unit of visualization container that has its own visualization and/or shows visualizations from one or more compliant controls associated with the part. 控件和部件的分层结构，这些控件和部件中的每个根据计算执行上下文的约束。控件是执行功能并可赋予可视化的可执行代码。部件是可视化容器的单元，其具有其自己的可视化和/或显示来自与该部件相关联的个或多个顺应控件的可视化。