下图将显示旧的主应用程式如何使用新的增益集。
The following illustration shows how an old host can work with new add-ins.
增益集在主应用程式的相同应用程式定义域中执行。
设定主应用程式在执行绪集区中可维护的执行绪最大数目。
Sets the minimum number of idle threads that the host must maintain in anticipation of requests.
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.
告知设计主应用程式，由提供的矩形表示的区域需要在设计介面上重新绘制。
Notifies the design host that the area represented by the provided rectangle needs to be repainted on the design surface.
在侦错案例中，主应用程式可能会想要依照它本身的程式设计逻辑将工作分组。
In debugging scenarios, a host might want to group tasks according to its own programming logic.
主应用程式在应用程式定义域上设定的安全性原则就称为应用程式定义域安全性原则。
The security policy that a host sets on an application domain is called an application-domain security policy.
通常会有三组开发人员同时执行增益集及其管线的工作：主应用程式开发人员、管线开发人员及增益集开发人员。
There are typically three groups of developers who work on add-ins and their pipelines: host application developers, pipeline developers, and add-in developers.
增益集模型支援 （同时也建议使用）主应用程式和增益集之间的选择性界限，也就是所谓的隔离界限 （也称为远端界限）。
The add-in model supports, and recommends, an optional boundary between the host and the add-in, which is called the isolation boundary (also known as a remoting boundary).
增益集模型支援 （同时也建议使用）主应用程式和增益集之间的选择性界限，也就是所谓的隔离界限 （也称为远端界限）。
The add-in model supports, and recommends, an optional boundary between the host and the add-in, which is called the isolation boundary (also known as a remoting boundary).
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