怎么用vb制作一个弹出框,,,下面有三个按钮,是,否,取消,,然后每点击...答:Public Class frmYesNo Private Sub frmfrmYesNo_Load(sender As Object, e As EventArgs) Handles Me.Load End Sub Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click Dim btnResult As MsgBoxResult btnResult = MsgBox("这是您需要的效果吗?", 3,...