假定有以下函数过程:
Function Fun(S As String) As String
Dim s1 As String
For i=1 To Len(S)
s1 = UCase(Mid(S, i, 1)) +s1
Next i
Fun =s1
End Function
在窗体上画一个命令按钮,然后编写如下事件过程:
Private Sub Command1_Click()
Dim Str1 As String, Str2 As String
Strl = InputBox(“请输入一个字符串”)
Str2=Fun(Str1)
Print Str2
End Sub
程序运行后,单击命令按钮,如果在输入对话框中输入字符串“abcdefg”,则单击“确定”
按钮后在窗体上的输出结果为,
A.abcdefg
B.ABCDEFG
C.gfedcba
D.GFEDCBA