顶层窗口、子窗口、对话框(模态)窗口和非对话框(非模态)窗口有什么区别? [英] What are the differences among Top Level Window, Child window, Dialog(modal) window and non-dialog (modeless) windows?

问题描述

谁能告诉我如何区分它们?

Can any body please tell me how to distinguish among them?

我很难理解顶级子窗口与对话框/非对话框窗口的区别因素是什么?顶层窗口可以是对话/非对话窗口吗?子窗口可以是对话/非对话窗口吗?

I have difficulty in understanding what are the distinguishing factors for top level child windows vs dialog/non-dialog window? Can the top level window be dialog/non-dialog window? Can the child window be dialog/non-dialog window?

推荐答案

顶级表单归桌面所有，而子表单属于另一个表单；这意味着关闭或最小化拥有的表单也会影响子表单.

Top-level forms are owned by the desktop, whereas child forms belong to another form; this means that closing or minimising the owning form will also affect the child form.

模态表单/对话框会阻塞调用线程直到表单关闭，而无模式表单允许您在显示时与应用程序中的其他表单进行交互.任何表单都可以是模态/非模态的，无论它是顶级表单还是子表单——但是模态对话框的默认行为是由导致它们显示的表单拥有.

Modal forms/dialogs block the calling thread until the form is closed, whereas modeless forms allow you to interact with other forms in the application while shown. Any form can be modal/modeless, regardless of whether it is a top-level or child form - however the default behaviour for modal dialogs is to be owned by the form that caused them to be shown.

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