Public Class frmMain Public Sub New() Dim splash As New frmSplash() Try splash.ShowDialog() Catch ex As Exception 'ClassLogger.Add($"Error in Splash: {ex.Message}") End Try Try ' Dieser Aufruf ist für den Designer erforderlich. InitializeComponent() ' Fügen Sie Initialisierungen nach dem InitializeComponent()-Aufruf hinzu. Me.MenueUser.Ribbon = RibbonControl1 Catch ex As Exception End Try End Sub Private Sub BarButtonItemBasicUser_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonItemBasicUser.ItemClick frmUserBasics.ShowDialog() End Sub Private Sub BarButtonItem1_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonItem1.ItemClick Dim frm As New frmFileTest frm.MdiParent = Me frm.Show() End Sub End Class