private void readPOToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.DefaultExt = ".po";
if (dialog.ShowDialog(this) == DialogResult.OK)
{
PoReader reader = new PoReader(dialog.FileName);
List <PoEntry> entries = reader.ReadPo();
ApplyPo applyPo = new ApplyPo();
applyPo.Apply(entries, resourceDirectory, new StringWriter());
PopulateListView();
}
}