private void ics_ScreenSharingSessionAvailable(string fromUser, string keyToConnect)
{
if (
MessageBox.Show(fromUser + " would like to invite you to a screen sharing session\n Accept?",
"Screen sharing invitation", MessageBoxButtons.YesNo, MessageBoxIcon.Question) ==
System.Windows.Forms.DialogResult.Yes)
Invoke(new ViewScreenDelegate(ViewScreen), new object[] {keyToConnect, fromUser});
}