ListBox控件的項如何與Excel文件進行數據交互

要與Excel文件進行數據交互，可以使用ListBox控件的Items屬性來添加、刪除和編輯項，并使用Excel對象模型來讀取和寫入Excel文件中的數據。以下是一個示例代碼，演示如何將ListBox控件的項與Excel文件進行數據交互：

Imports Excel = Microsoft.Office.Interop.Excel

Public Class Form1
    Dim xlApp As New Excel.Application
    Dim xlWorkBook As Excel.Workbook
    Dim xlWorkSheet As Excel.Worksheet

    Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        xlWorkBook = xlApp.Workbooks.Open("C:\path\to\your\file.xlsx")
        xlWorkSheet = xlWorkBook.Sheets(1)

        '將Excel文件中的數據添加到ListBox控件中
        For i As Integer = 1 To xlWorkSheet.Cells(1, 1).End(Excel.XlDirection.xlDown).Row
            ListBox1.Items.Add(xlWorkSheet.Cells(i, 1).Value)
        Next
    End Sub

    Private Sub btnSave_Click(sender As Object, e As EventArgs) Handles btnSave.Click
        '將ListBox控件中的項保存到Excel文件中
        For i As Integer = 0 To ListBox1.Items.Count - 1
            xlWorkSheet.Cells(i + 1, 1).Value = ListBox1.Items(i)
        Next

        xlWorkBook.Save()
    End Sub

    Private Sub Form1_FormClosing(sender As Object, e As FormClosingEventArgs) Handles Me.FormClosing
        '關閉Excel應用程序
        xlWorkBook.Close()
        xlApp.Quit()

        ReleaseObject(xlWorkSheet)
        ReleaseObject(xlWorkBook)
        ReleaseObject(xlApp)
    End Sub

    Private Sub ReleaseObject(ByVal obj As Object)
        Try
            System.Runtime.InteropServices.Marshal.ReleaseComObject(obj)
            obj = Nothing
        Catch ex As Exception
            obj = Nothing
        Finally
            GC.Collect()
        End Try
    End Sub
End Class

在這個示例中，我們首先在Form_Load事件中打開Excel文件并將其數據添加到ListBox控件中。然后在Save按鈕的Click事件中，我們將ListBox控件中的項保存到Excel文件中。最后在Form_FormClosing事件中關閉Excel應用程序并釋放資源。

請注意，此示例使用了Microsoft.Office.Interop.Excel命名空間來與Excel文件進行交互。請確保你的計算機上已安裝Microsoft Office，并在項目中引用了Microsoft Excel 16.0 Object Library。