Exemplo n.º 1
0
        /// <summary>
        /// Starts sending CAPA command to POP3 server.
        /// </summary>
        /// <param name="op">Asynchronous operation.</param>
        /// <returns>Returns true if aynchronous operation is pending (The <see cref="CapaAsyncOP.CompletedAsync"/> event is raised upon completion of the operation).
        /// Returns false if operation completed synchronously.</returns>
        /// <exception cref="ObjectDisposedException">Is raised when this object is disposed and and this method is accessed.</exception>
        /// <exception cref="InvalidOperationException">Is raised when POP3 client is not in valid state. For example 'not connected'.</exception>
        /// <exception cref="ArgumentNullException">Is raised when <b>op</b> is null reference.</exception>
        public bool CapaAsync(CapaAsyncOP op)
        {
            if(this.IsDisposed){
                throw new ObjectDisposedException(this.GetType().Name);
            }
            if(!this.IsConnected){
                throw new InvalidOperationException("You must connect first.");
            }
            if(op == null){
                throw new ArgumentNullException("op");
            }
            if(op.State != AsyncOP_State.WaitingForStart){
                throw new ArgumentException("Invalid argument 'op' state, 'op' must be in 'AsyncOP_State.WaitingForStart' state.","op");
            }

            return op.Start(this);
        }
Exemplo n.º 2
0
        /// <summary>
        /// Executes CAPA command.
        /// </summary>
        /// <exception cref="ObjectDisposedException">Is raised when this object is disposed and this method is accessed.</exception>
        /// <exception cref="InvalidOperationException">Is raised when POP3 client is not in valid state. For example 'not connected'.</exception>
        /// <exception cref="POP3_ClientException">Is raised when POP3 server returns error.</exception>
        public void Capa()
        {
            if(this.IsDisposed){
                throw new ObjectDisposedException(this.GetType().Name);
            }
            if(!this.IsConnected){
                throw new InvalidOperationException("You must connect first.");
            }

            using(CapaAsyncOP op = new CapaAsyncOP()){
                using(ManualResetEvent wait = new ManualResetEvent(false)){
                    op.CompletedAsync += delegate(object s1,EventArgs<CapaAsyncOP> e1){
                        wait.Set();
                    };
                    if(!this.CapaAsync(op)){
                        wait.Set();
                    }
                    wait.WaitOne();
                    wait.Close();

                    if(op.Error != null){
                        throw op.Error;
                    }
                }
            }
        }