/// <summary>
/// Forwards the call to a contact or phone number.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonForward_Click(object sender, EventArgs e)
{
//since forwarding needs a contact, will show a dialog to get user input
SelectContactDialog contactDialog = new SelectContactDialog(client.ContactManager);
contactDialog.ShowDialog();
//if a contact is selected
if (contactDialog.DialogResult == DialogResult.OK && contactDialog.Contact != null)
{
//transfers the call (both audio and video) to the specified contact
AsyncCallback callback = new AsyncOperationHandler(avModality.EndForward).Callback;
try
{
avModality.BeginForward(contactDialog.Contact, callback, null);
}
catch (LyncClientException lyncClientException)
{
Console.WriteLine(lyncClientException);
}
catch (SystemException systemException)
{
if (LyncModelExceptionHelper.IsLyncException(systemException))
{
// Log the exception thrown by the Lync Model API.
Console.WriteLine("Error: " + systemException);
}
else
{
// Rethrow the SystemException which did not come from the Lync Model API.
throw;
}
}
}
}
/// <summary>
/// Adds a participant to the conversation.
/// </summary>
private void buttonAddRosterContact_Click(object sender, EventArgs e)
{
//obtains the contact
SelectContactDialog contactDialog = new SelectContactDialog(client.ContactManager);
contactDialog.ShowDialog(this);
//if a contact is selected
if (contactDialog.DialogResult == DialogResult.OK && contactDialog.Contact != null)
{
//add a participant to the conversation
try
{
conversation.AddParticipant(contactDialog.Contact);
}
catch (LyncClientException lyncClientException)
{
Console.WriteLine(lyncClientException);
}
catch (SystemException systemException)
{
if (LyncModelExceptionHelper.IsLyncException(systemException))
{
// Log the exception thrown by the Lync Model API.
Console.WriteLine("Error: " + systemException);
}
else
{
// Rethrow the SystemException which did not come from the Lync Model API.
throw;
}
}
}
}
/// <summary>
/// Transfers the call to a contact: AvModality.BeginTransfer()
/// </summary>
private void buttonTransfer_Click(object sender, EventArgs e)
{
//since transfering needs a contact, will show a dialog to get user input
SelectContactDialog contactDialog = new SelectContactDialog(client.ContactManager);
contactDialog.ShowDialog();
//if a contact is selected
if (contactDialog.DialogResult == DialogResult.OK)
{
//*****************************************************************************************
// The argument TransferOptions dictates whether the transfer target is able to redirect the
// call or not. If the option is TransferOptions.DisallowRedirection and the target does not
// accept the call, it will return to this endpoint.
//*****************************************************************************************
// Declare a simple handler for the async callback before invoking Transfer...
AsyncCallback transferCallback = ar =>
{
try
{
ModalityState state;
IList <string> properties;
avModality.EndTransfer(out state, out properties, ar);
Console.Out.WriteLine("Transfer state: " + state);
}
catch (Exception ex)
{
Console.Out.WriteLine(ex);
}
};
//transfers the call (both audio and video) to the specified contact
try
{
avModality.BeginTransfer(contactDialog.Contact, TransferOptions.None, transferCallback, null);
}
catch (LyncClientException lyncClientException)
{
Console.WriteLine(lyncClientException);
}
catch (SystemException systemException)
{
if (LyncModelExceptionHelper.IsLyncException(systemException))
{
// Log the exception thrown by the Lync Model API.
Console.WriteLine("Error: " + systemException);
}
else
{
// Rethrow the SystemException which did not come from the Lync Model API.
throw;
}
}
}
}
