问题
填空题
下列事件过程的功能是:建立一个名为Data1的随机文件,存放角度值及这些角度的正弦函数值和余弦函数值,角度为1,2,3,…,90。请在空白处填入适当的内容,将程序补充完整。
Private Type Ang
K As Integer
Sinx As Single
Cosx As Single
End Type
_________________________’定义Ang类型的变量Ksc
Private Sub Form_Click()
Dim Y As Single
Open "C:\Datal.txt" For Random As #1 Len = 10
Put #1, 1, Ksc
Y = 3.14159 / 180
For i = 1 To 90
Ksc. K=i
______= Sin(i*Y)’给变量Ksc的正弦函数值赋值
Ksc.Cosx = Cos(i*Y)
Next i
Close #1
End Sub
答案
参考答案:Dim Ksc As Ang Ksc.Sinx
解析: 声明用户定义类型的变量格式为:
Dim 变量名as用户定义类型名
定义了记录类型后,给该类型变量赋值时用“变量名.元素=要赋的值”的格式进行赋值。