``` Importlar System.IO Public Class Form1 Private Sub btnSubmit_Click(Sender As Object, e As EventArgs) BtnSubmit.Click Dim directoryPath As String = txtDirectoryPath.Text If Not String.IsNullOrEmpty(directoryPath) Then RenameImageFiles(directoryPath) Else MessageBox.Show("Please enter a valid directory path.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error) If End Sub '' <summary> 'image' Rename all files in the specified directory using the format "###", where ### is a sequentially increasing number. file 'String' </summary> '<parameterPath.Path> = t
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