private void toolStripPreview_Click(object sender, EventArgs e)
{
if (fileView.SelectedItems.Count > 0)
{
_presenter.InitPrintHandler();
printPreviewDialog.Width = 800;
printPreviewDialog.Height = 600;
printPreviewDialog.ShowDialog();
}
else
_presenter.ShowErrorMessage(@"No files selected. Cannot display preview.");
}