预先安装的应用程序会显示在应用程式启动台中，被归为一类。
Pre-installed applications are displayed in the application launcher, and are organized by category.
当应用程式资讯清单中所指定的启动组件载入失败时，所掷回的例外状况。
The exception that is thrown when the startup assembly that is specified in the application manifest fails to load.
主应用程式可选择启动MDA以及在启动 MDA时要收到告知。
The host can choose to activate MDAs and to be notified when an MDA is activated.
主应用程式可选择启动MDA以及在启动 MDA时要收到告知。
The host can choose to activate MDAs and to be notified when an MDA is activated.
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