private void buttonPlayVideo_Click(object sender, EventArgs e)
{
if (m_VideoPlayer == null)
{
m_VideoPlayer = new VideoPlayerMainForm(m_AppData, UserClosedThePlayer);
}
if (m_VideoPlayer.IsDisposed)
{
m_VideoPlayer = new VideoPlayerMainForm(m_AppData, UserClosedThePlayer);
}
if (!m_VideoPlayer.Visible)
m_VideoPlayer.Show();
PushVideoRangeToVideoPlayer();
}
void UserClosedThePlayer()
{
m_VideoPlayer = null;
}