VB.Net写入创建的文本文件不起作用System.IO

Imports System.IO

Public Class Form1
    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        Dim filePath As String = "C:\path\to\file.txt" ' 文件路径

        Try
            ' 创建并写入文本文件
            Using writer As New StreamWriter(filePath)
                writer.WriteLine("Hello, World!")
                writer.WriteLine("This is a test file.")
            End Using

            MessageBox.Show("文件创建并写入成功。")
        Catch ex As Exception
            MessageBox.Show("文件创建或写入失败：" & ex.Message)
        End Try
    End Sub
End Class