当需要给多个文本框做相同的操作时,可以在Handles后面加上文本框的某个事件,各事件之间用逗号隔开,例如 Private Sub TextBox1_TextChanged() Sub TextBox1_TextChanged(ByVal sender As Object, ByVal e As System.Windows.Forms.TextChangedEventArgs) Handles Textbox1.TextChanged, Textbox2.TextChanged, Textbox3.TextChanged Textbox1.Text = "aaa" End Sub