在窗体中添加一个命令按钮,名称为Command1,两个文本框名称分别为Text1和.Text2,然后编写如下程序: Private Sub Command1_Click()Dim x As String,y As String, C As String,d As Stringx = Text1.Text : y = Text2.Textc = LCase(x):d = UCase(y)Print c; d End Sub 程序运行后,在文本框Texn、Text2中分别输入AbC和efG,结果是
A.abcEFG
B.abcefg
C.ABCefg
D.ABCEFG