Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim aa As String
aa = TextBox1.Text
Print(aa)
End Sub
End Class
运行后 发生了 如下提示:
在 System.InvalidCastException 中第一次偶然出现的“Microsoft.VisualBasic.dll”类型的异常