Imports System.IO Imports DevExpress.Xpf.Bars Imports DevExpress.Xpf.Core.Native Public Class VentanaVisorExcel Public Sub New(Excel As Stream, Formato As DevExpress.Spreadsheet.DocumentFormat) ' Llamada necesaria para el diseñador. InitializeComponent() If Excel IsNot Nothing Then Dim wb = SpreadsheetControl.Document wb.LoadDocument(Excel, Formato) End If ' Agregue cualquier inicialización después de la llamada a InitializeComponent(). End Sub Private Sub biFileSave_ItemClick(sender As Object, e As ItemClickEventArgs) Try Me.DialogResult = True Me.Close() Catch ex As Exception Me.Close() MessageBox.Show(ex.Message, "Error") End Try End Sub End Class