试题详情
- 单项选择题 You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You write the following code fragment. (Line numbers are included for reference only.)
You need to ensure that a video file begins to play only when a user clicks Play. Which code fragment should you insert at line 06?（） A、
B、
C、
D、
- B
关注下方微信公众号，在线模考后查看
热门试题