dialog1.vb

很完整的网吧收费管理系统,包含客户端和服务器端以及详细的使用说明.

Imports System.Windows.Forms

Public Class FrmServerSet

    Private Sub OK_Button_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OK_Button.Click
        FrmClient.TempClient.ServerIPAddress = TxtIP1.Text & "." & TxtIP2.Text & "." & TxtIP3.Text & "." & TxtIP4.Text
        Me.DialogResult = System.Windows.Forms.DialogResult.OK
        Me.Close()
    End Sub

    Private Sub Cancel_Button_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Cancel_Button.Click
        Me.DialogResult = System.Windows.Forms.DialogResult.Cancel
        Me.Close()
    End Sub

 

    


    Private Sub TxtIP1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TxtIP1.KeyPress
        Dim KeyAscii As Short = Asc(e.KeyChar)
        EnterTAB((KeyAscii))
        If In_Int(KeyAscii) = False Then
            KeyAscii = 0
        End If
        e.KeyChar = Chr(KeyAscii)
        If KeyAscii = 0 Then
            e.Handled = True
        End If
    End Sub
    Public Sub EnterTAB(ByRef KeyAscii As Short)
        If KeyAscii = 13 Then '13表示回车键
            System.Windows.Forms.SendKeys.Send("{TAB}") '转换为TAB键
        End If
    End Sub
    Public Function In_Int(ByRef KeyAscii As Short) As Boolean
        Dim i As Integer
        Dim Ch_Accept_Int(20) As String
        '可以接受的字符数组
        Ch_Accept_Int(0) = "0"
        Ch_Accept_Int(1) = "1"
        Ch_Accept_Int(2) = "2"
        Ch_Accept_Int(3) = "3"
        Ch_Accept_Int(4) = "4"
        Ch_Accept_Int(5) = "5"
        Ch_Accept_Int(6) = "6"
        Ch_Accept_Int(7) = "7"
        Ch_Accept_Int(8) = "8"
        Ch_Accept_Int(9) = "9"
        Ch_Accept_Int(10) = Chr(8)
        '检查输入字符是否在数组中
        In_Int = False
        For i = 0 To 10
            If Chr(KeyAscii) = Ch_Accept_Int(i) Then
                In_Int = True
            End If
        Next
    End Function

    Private Sub TxtIP1_TextChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles TxtIP1.TextChanged
        If Val(TxtIP1.Text) > 255 Then
            TxtIP1.Text = "255"
        End If
        If Val(TxtIP1.Text) < 0 Then
            TxtIP1.Text = "0"
        End If
    End Sub
End Class