form1.vb

--- -----串口程序处理程序

Public Class Form1

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        With Me
            .MaximizeBox = False
            .MinimizeBox = False
            .TopMost = True
            .FormBorderStyle = System.Windows.Forms.FormBorderStyle.None
            .WindowState = System.Windows.Forms.FormWindowState.Maximized
        End With

    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)


    End Sub

    Private Sub Button2_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        MDIParent1.Show()
        Me.Close()
    End Sub

    Public Sub New()

        ' 此调用是 Windows 窗体设计器所必需的。
        InitializeComponent()
        ' 在 InitializeComponent() 调用之后添加任何初始化。

    End Sub
End Class