This document was published by the Accessible Rich Internet Applications Working Group as a Proposed Recommendation.This document is intended to become a Recommendation.Note that much of this could be formalized in [) to interact with content.
方法一： private void t Box_Key Press(object sender, Key Press Event Args e) 方法二： private void Text Box_Key Press(object sender, Key Press Event Args e) 或者 private void Text Box_Key Press(object sender, Key Press Event Args e) 方法三: private void text Box1_Key Press(object sender, System.
Key Press Event Args e) 方法四: private void text Box1_Validating(object sender, Cancel Event Args e) 方法五: private void text Box1_Key Press(object sender, System.
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These semantics are designed to allow an author to properly convey user interface behaviors and structural information to assistive technologies in document-level markup.
This version adds features new since ARIA Git Hub repository.
New technologies often overlook semantics required for accessibility, and new authoring practices often misuse the intended semantics of those technologies.
Elements that have one defined meaning in the language are used with a different meaning intended to be understood by the user.
This allows elements with a given role to be understood as a particular widget or structural type regardless of any semantics inherited from the implementing host language.