在下拉菜单中选择.doc或.rtf文件的选项 [英] option for selcting .doc or .rtf file in dropdown

问题描述

在下面的代码中，我得到了显示在列表框中的文件名，但是我需要选择.doc或.rtf的选项，方法是通过选择要在文本框中显示的选定文件格式在文本框中的下拉列表中. .......

here in the below coding i got the filenames displayed in the listbox, but i need the option for selecting .doc or .rtf which is to in dropdown in text box by selecting the selected fileformats to be displayed in the textbox.........

Using flb As New FolderBrowserDialog
           If flb.ShowDialog() = Windows.Forms.DialogResult.OK Then
               ListBox1.Items.Clear()
               TextBox1.Text = flb.SelectedPath
               Dim fileNames As String() = Directory.GetFiles(flb.SelectedPath)
               Dim selectedFiles As String() = From fileName In fileNames Where fileName.EndsWith(".rtf") Or fileName.EndsWith(".doc") Select fileName
               For Each filename In selectedFiles
                   ListBox1.Items.Add(filename)
               Next
           End If
       End Using

推荐答案

使用目录的两字符串重载.GetFiles方法:

Use the two-string overload of the directory.GetFiles method: MSDN[^]
The second string allows you to only retrieve the files which match a selection string ("*.rtf" or "*.doc")

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