✅ Folder selector can not select folder from phone

c#
 private void BtnSelectFolder_Click(object sender, RoutedEventArgs e)
 {
     using (var folderBrowserDialog = new System.Windows.Forms.FolderBrowserDialog())
     {
         folderBrowserDialog.SelectedPath = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);

         if (folderBrowserDialog.ShowDialog() != System.Windows.Forms.DialogResult.OK)
         {
             return;
         }

         string selectedPath = folderBrowserDialog.SelectedPath;

         SelectedFolder = selectedPath;
     }
 }

c#
 private void BtnSelectFolder_Click(object sender, RoutedEventArgs e)
 {
     using (var folderBrowserDialog = new System.Windows.Forms.FolderBrowserDialog())
     {
         folderBrowserDialog.SelectedPath = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);

         if (folderBrowserDialog.ShowDialog() != System.Windows.Forms.DialogResult.OK)
         {
             return;
         }

         string selectedPath = folderBrowserDialog.SelectedPath;

         SelectedFolder = selectedPath;
     }
 }