在窗体中添加一个命令按钮cmd和一个文本框txt,然后编写如下事件过程:
Private Sub cmd_click( )
Dim x As Integer, y As Integer, z As Integer
x=5
y=7
z=0
Me! Txt=""
Call p(x,y,z)
Me! txt=z
End Sub
Sub p(a As Integer, b As Integer, e As Integer)
c=a+b
End Sub
单击按钮,文本框显示的内容是【 】。
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