void btnChooseFolder_Click(object sender, RoutedEventArgs e)
        {
            if (comboProvider.SelectedIndex == 0)
            {
                System.Windows.Forms.FolderBrowserDialog dialog = new System.Windows.Forms.FolderBrowserDialog();

                if (!string.IsNullOrEmpty(txtImportFolderLocation.Text) &&
                    Directory.Exists(txtImportFolderLocation.Text))
                {
                    dialog.SelectedPath = txtImportFolderLocation.Text;
                }

                if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
                {
                    txtImportFolderLocation.Text = dialog.SelectedPath;
                }
            }
            else
            {
                CloudFolderBrowser frm = new CloudFolderBrowser();
                frm.Owner = this;
                frm.Init(importFldr, txtImportFolderLocation.Text);
                bool?result = frm.ShowDialog();
                if (result.HasValue && result.Value)
                {
                    txtImportFolderLocation.Text = frm.SelectedPath;
                }
            }
        }
        void btnChooseFolder_Click(object sender, RoutedEventArgs e)
        {
            if (comboProvider.SelectedIndex == 0)
            {
                //needed check,
                if (CommonFileDialog.IsPlatformSupported)
                {
                    var dialog = new CommonOpenFileDialog();
                    dialog.IsFolderPicker = true;

                    if (!string.IsNullOrEmpty(txtImportFolderLocation.Text) &&
                        Directory.Exists(txtImportFolderLocation.Text))
                    {
                        dialog.InitialDirectory = txtImportFolderLocation.Text;
                    }
                    if (dialog.ShowDialog() == CommonFileDialogResult.Ok)
                    {
                        txtImportFolderLocation.Text = dialog.FileName;
                    }
                }
                else
                {
                    FolderBrowserDialog dialog = new FolderBrowserDialog();

                    if (!string.IsNullOrEmpty(txtImportFolderLocation.Text) &&
                        Directory.Exists(txtImportFolderLocation.Text))
                    {
                        dialog.SelectedPath = txtImportFolderLocation.Text;
                    }

                    if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
                    {
                        txtImportFolderLocation.Text = dialog.SelectedPath;
                    }
                }
            }
            else
            {
                CloudFolderBrowser frm = new CloudFolderBrowser();
                frm.Owner = this;
                frm.Init(importFldr, txtImportFolderLocation.Text);
                bool?result = frm.ShowDialog();
                if (result.HasValue && result.Value)
                {
                    txtImportFolderLocation.Text = frm.SelectedPath;
                }
            }
        }