Imports System.Net
Imports System.IO
Public Class Form7
    Dim WithEvents WC As New WebClient
    Dim appPath As String = Application.StartupPath()
    Dim ver As String
    Private IsFormBeingDragged As Boolean = False

    Private MouseDownX As Integer

    Private MouseDownY As Integer

    Dim z As String
    Private Sub Label2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label2.Click

    End Sub
    Private Sub WC_DownloadProgressChanged(ByVal sender As Object, ByVal e As DownloadProgressChangedEventArgs) Handles WC.DownloadProgressChanged
        ProgressBar1.Value = e.ProgressPercentage
        
        If ProgressBar1.Value = 100 Then
            Threading.Thread.Sleep(50)
            ver = My.Computer.FileSystem.ReadAllText(appPath & "\system\data\download.wtc")
            ver = Replace(ver, vbNewLine, "")
            ver = Replace(ver, vbCrLf, "")
            Label1.Text = "檔案下載完成"
            Threading.Thread.Sleep(1000)

            If My.Computer.FileSystem.FileExists(appPath & "\system\data\" & ver & ".exe") Then
                Shell(appPath & "\system\data\" & ver & ".exe")
            End If

            Threading.Thread.Sleep(1000)
            Try
                If My.Computer.FileSystem.DirectoryExists(appPath & "\" & ver) Then
                    My.Computer.FileSystem.CopyDirectory(appPath & "\" & ver, appPath & "\system\minecraft\" & ver)
                    Threading.Thread.Sleep(500)
                  
                End If
            Catch ex As Exception

            End Try
           
            Timer1.Enabled = True
            Threading.Thread.Sleep(500)

            Dim iCount As Integer

            For iCount = 90 To 10 Step -10
                Me.Opacity = iCount / 100
                Threading.Thread.Sleep(50)
            Next
            Me.Close()
        End If
    End Sub


    Private Sub Form7_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load



        For counter = 10 To 90 Step +20

            Me.Opacity = counter / 100

            Me.Refresh()

            Threading.Thread.Sleep(50)
        Next


        Me.Opacity = 100


        If My.Computer.FileSystem.FileExists(appPath & "\system\data\download.wtc") Then
            Try
                Threading.Thread.Sleep(50)
                ver = My.Computer.FileSystem.ReadAllText(appPath & "\system\data\download.wtc")
                ver = Replace(ver, vbNewLine, "")
                ver = Replace(ver, vbCrLf, "")
                If My.Computer.FileSystem.FileExists(appPath & "\system\data\" & ver & ".exe") Then
                    My.Computer.FileSystem.DeleteFile(appPath & "\system\data\" & ver & ".exe")
                End If
                Label1.Text = "正在下載檔案…"
                Label3.Text = ver

                WC.DownloadFileAsync(New Uri("http://hkwtc.no-ip.org:8080/hkwtcbs/dreammelody/download/jardownload/" & ver & ".exe"), appPath & "\system\data\" & ver & ".exe")
                Threading.Thread.Sleep(50)
                Timer1.Enabled = True
            Catch ex As Exception
                MsgBox(ex.Message)
            End Try


        End If
    End Sub



    Private Sub Form7_MouseDown(ByVal sender As Object, ByVal e As MouseEventArgs) Handles MyBase.MouseDown



        If e.Button = MouseButtons.Left Then

            IsFormBeingDragged = True

            MouseDownX = e.X

            MouseDownY = e.Y

        End If

    End Sub



    Private Sub Form7_MouseUp(ByVal sender As Object, ByVal e As MouseEventArgs) Handles MyBase.MouseUp



        If e.Button = MouseButtons.Left Then

            IsFormBeingDragged = False

        End If

    End Sub



    Private Sub Form7_MouseMove(ByVal sender As Object, ByVal e As MouseEventArgs) Handles MyBase.MouseMove



        If IsFormBeingDragged Then

            Dim temp As Point = New Point()



            temp.X = Me.Location.X + (e.X - MouseDownX)

            temp.Y = Me.Location.Y + (e.Y - MouseDownY)
            Me.Location = temp

            temp = Nothing

        End If

    End Sub

    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        Try
            If My.Computer.FileSystem.DirectoryExists(appPath & "\system\minecraft\" & ver) Then
                File.Delete(appPath & "\system\data\download.wtc")
                Do Until My.Computer.FileSystem.DirectoryExists(appPath & "\" & ver) = False

                    My.Computer.FileSystem.DeleteDirectory(appPath & "\" & ver, FileIO.DeleteDirectoryOption.DeleteAllContents)

                Loop

                Timer1.Enabled = False
            End If
        Catch ex As Exception

        End Try

    End Sub

    Private Sub Label1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label1.Click

    End Sub
End Class