试题与答案

以下关于KeyPress事件过程中参数KeyAscii的叙述中正确的是______。

题型:单项选择题

题目:

以下关于KeyPress事件过程中参数KeyAscii的叙述中正确的是______。

A.KeyAscii参数是所按键的ASCII码

B.KeyAscii参数的数据类型为字符串

C.KeyAscii参数可以省略

D.KeyAscii参数是所按键上标注的字符

答案:

参考答案:A

解析:[评析] KeyPress事件的KeyAscii参数返回用户所按键的ASCII码,类型为整型;它不是按键上的字符;并且 KeyAscii参数不可以省略。

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