private void OpenOutputFileDialog_FileOk(object sender, CancelEventArgs e)
{
if (string.CompareOrdinal(InputFileTextBox.Text, OpenOutputFileDialog.FileName) == 0)
{
OutputFileTextBox.Text = String.Empty;
MessageBox.Show("Cannot open the same file as a source and an output file");
}
else
{
OutputFileTextBox.Text = OpenOutputFileDialog.FileName;
RemuxButton.Enabled = true;
}
}