Private Sub Command1_Click()
Dim a As Single, b As Single, c As Single
Dim p As String
a = Val(InputBox("请输入第1个数:", "输入框", 0))
b = Val(InputBox("请输入第2个数:", "输入框", 0))
c = Val(InputBox("请输入第3个数:", "输入框", 0))
h = a + b + c
p=" "&a&","&b&","&c
p=p&"的和是:"& str(h)
Labell.Caption = p
End Sub
为什么我输入p=" "&a&","&b&","&c和p=p&"的和是:"& str(h) 它说是

原来它是要告诉我 ：老大，空间太小，你让我们怎么施展手脚啊
大哥 小弟谢谢你了