private void buttonStopPlay_Click(object sender, EventArgs e)
{
button_startPlay.Enabled = false;
button_stopPlay.Enabled = false;
button_pausePlay.Enabled = false;
button_open.Enabled = true;
trackBar1.Enabled = false;
textBox_frameLength.Enabled = true;
timer2.Enabled = false; //You must first disable timer and then close the file
playback.CloseFile();
}
private void Stop()
{
metroButton_startPlay.Enabled = false;
metroButton_stopPlay.Enabled = false;
metroButton_pausePlay.Enabled = false;
metroButton_open.Enabled = true;
trackBar1.Enabled = false;
metroTextBox_frameLength.Enabled = true;
playing = false;
timer2.Enabled = false; //You must first disable timer and then close the file
playback.CloseFile();
}