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在窗体上有一个文本框控件,名称为TxtTime:一个计时器控件,名称为Timerl,要求每一秒钟在文本框中显示一次当前的时间。程序为:在下划线后应填入的内容是________。

A、Enabled 

B、Visible 

C、Interval 

D、Timer

时间：2022-04-02 16:36 关键词：西南石油大学成人高等教育平台石油工程专升本 VB语言程序设计作业2

答案解析

D

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