83 lines
2.8 KiB
VB.net
83 lines
2.8 KiB
VB.net
Imports System.ComponentModel
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Imports System.Threading
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Public NotInheritable Class frmSplash
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Private InitSteps As Integer = 3
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Private Worker As New BackgroundWorker()
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Private MainForm As Form
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Private Sub frmSplash_KeyUp(sender As Object, e As KeyEventArgs) Handles Me.KeyUp
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If e.KeyCode = Keys.Escape Then
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ESC_Hidden = True
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End If
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End Sub
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Private Sub frmSplash_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
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Version.Text = String.Format("Version {0}", My.Application.Info.Version.ToString)
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Copyright.Text = String.Format("{0} {1}", My.Application.Info.Copyright, My.Application.Info.CompanyName)
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BringToFront()
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InitProgram()
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End Sub
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Private Sub InitProgram()
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Worker.WorkerReportsProgress = True
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AddHandler Worker.DoWork, AddressOf bw_DoWork
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AddHandler Worker.ProgressChanged, AddressOf bw_ProgressChanged
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AddHandler Worker.RunWorkerCompleted, AddressOf bw_RunWorkerCompleted
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Worker.RunWorkerAsync()
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End Sub
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Private Function CalcProgress(_step As Integer)
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Return _step * (100 / InitSteps)
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End Function
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Private Sub bw_DoWork(sender As Object, e As System.ComponentModel.DoWorkEventArgs)
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Try
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Dim Init = New ClassInit()
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Worker.ReportProgress(CalcProgress(1), "Initializing Logger")
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Init.InitLogger()
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Thread.Sleep(500)
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Worker.ReportProgress(CalcProgress(2), "Initializing Database")
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Init.InitBasics()
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If Init.InitDatabase() = True Then
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Thread.Sleep(500)
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Worker.ReportProgress(CalcProgress(3), "Initializing User-Configuration")
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If ClassInit.InitUserLogin = False Then
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If ERROR_INIT = "" Then
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ERROR_INIT = "INVALID USER"
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End If
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End If
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Thread.Sleep(500)
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Else
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ERROR_INIT = "DATABASE"
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End If
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Catch ex As Exception
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MsgBox("Unexpected Error in bw_DoWork: " & vbNewLine & ex.Message, MsgBoxStyle.Critical)
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End Try
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End Sub
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Private Sub bw_ProgressChanged(sender As Object, e As ProgressChangedEventArgs)
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pbStatus.Value = e.ProgressPercentage
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lblStatus.Text = e.UserState.ToString()
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End Sub
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Private Sub bw_RunWorkerCompleted(sender As Object, e As RunWorkerCompletedEventArgs)
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' Bei Fehler MsgBox anzeigen und Programm beenden
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If e.Error IsNot Nothing Then
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MsgBox(e.Error.Message, MsgBoxStyle.Critical, "Unexpected Error in frmSplash")
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Application.Exit()
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End If
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' Wenn kein Fehler, Splashscreen schließen
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Close()
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End Sub
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End Class
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