/// <summary>
/// Unpins the current selected participant from the video gallery
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonUnpinVideo_Click(object sender, EventArgs e)
{
try
{
participant.BeginUnPinVideo(UnPinVideoCallback, null);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}