form1.cs

Dot Msn Sample

			this.passTextBox.TabIndex = 3;
			this.passTextBox.Text = "";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(16, 320);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(56, 16);
			this.label1.TabIndex = 4;
			this.label1.Text = "Mail";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(16, 344);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(56, 16);
			this.label2.TabIndex = 5;
			this.label2.Text = "Password";
			// 
			// showlistButton
			// 
			this.showlistButton.Location = new System.Drawing.Point(208, 376);
			this.showlistButton.Name = "showlistButton";
			this.showlistButton.Size = new System.Drawing.Size(120, 23);
			this.showlistButton.TabIndex = 6;
			this.showlistButton.Text = "Show online contacts";
			this.showlistButton.Click += new System.EventHandler(this.showlistButton_Click);
			// 
			// contactListView
			// 
			this.contactListView.Location = new System.Drawing.Point(16, 24);
			this.contactListView.MultiSelect = false;
			this.contactListView.Name = "contactListView";
			this.contactListView.Size = new System.Drawing.Size(320, 136);
			this.contactListView.TabIndex = 7;
			this.contactListView.View = System.Windows.Forms.View.List;
			this.contactListView.DoubleClick += new System.EventHandler(this.contactListView_DoubleClick);			
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(16, 8);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(264, 16);
			this.label3.TabIndex = 8;
			this.label3.Text = "Contactlist (double-click to send message)";
			// 
			// label4
			// 
			this.label4.Location = new System.Drawing.Point(16, 208);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(100, 16);
			this.label4.TabIndex = 9;
			this.label4.Text = "Log";
			// 
			// SendFileButton
			// 
			this.SendFileButton.Location = new System.Drawing.Point(16, 168);
			this.SendFileButton.Name = "SendFileButton";
			this.SendFileButton.TabIndex = 10;
			this.SendFileButton.Text = "Send file";
			this.SendFileButton.Click += new System.EventHandler(this.SendFileButton_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(344, 411);
			this.Controls.Add(this.SendFileButton);
			this.Controls.Add(this.label4);
			this.Controls.Add(this.label3);
			this.Controls.Add(this.contactListView);
			this.Controls.Add(this.showlistButton);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.passTextBox);
			this.Controls.Add(this.mailTextBox);
			this.Controls.Add(this.Log);
			this.Controls.Add(this.StartButton);
			this.Name = "Form1";
			this.Text = "dotMSN example";
			this.ResumeLayout(false);

		}
		#endregion

		private void StartButton_Click(object sender, System.EventArgs e)
		{
			// Start our journey
			StartMSN();
		}

		/// <summary>
		/// The user clicks on the button to show all online contacts in the contact list
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void showlistButton_Click(object sender, System.EventArgs e)
		{
			FillListview();
		}

		/// <summary>
		/// Fill the listview with the users who are online. By double-clicking on a listview-item
		/// a conversation is created with the corresponding contact.
		/// </summary>
		private void FillListview()
		{
			contactListView.Clear();
			foreach(Contact contact in messenger.GetListEnumerator(MSNList.ForwardList))
			{
				// if the contact is not offline we can send messages and we want to show
				// it in the contactlistview
				if(contact.Status != MSNStatus.Offline)
				{
					// add this contact to the listview,
					// we 'tag' the listitem with the contact object
					ListViewItem item = new ListViewItem(contact.Name);
					item.Tag		  = contact;
					contactListView.Items.Add(item);
				}
			}
		}

		/// <summary>
		/// Called when the synchronization is completed. When this happens
		/// we want to fill the listbox on the form.
		/// </summary>
		/// <param name="sender">The messenger object</param>
		/// <param name="e">Contains nothing important</param>
		private void OnSynchronizationCompleted(Messenger sender, EventArgs e)
		{
			// first show all people who are on our forwardlist. This is the 'main' contactlist
			// a normal person would see when logging in.
			// if you want to get all 'online' people enumerate trough this list and extract
			// all contacts with the right DotMSN.MSNStatus  (eg online/away/busy)
			foreach(Contact contact in messenger.GetListEnumerator(MSNList.ForwardList))
			{					
				this.Log.Text += "FL > " + contact.Name + " (" + contact.Status + ")\r\n";
				FillListview();
			}

			// now get the reverse list. This list shows all people who have you on their
			// contactlist.
			foreach(Contact contact in messenger.ReverseList)
			{
				this.Log.Text += "RL > " + contact.Name + " (" + contact.Status + ")\r\n";
			}

			// we follow with the blocked list. this shows all the people who are blocked
			// by you
			foreach(Contact contact in messenger.BlockedList)
			{
				this.Log.Text += "BL > " + contact.Name + " (" + contact.Status + ")\r\n";
			}

			// when the privacy of the client is set to MSNPrivacy.NoneButAllowed then only
			// the contacts on the allowedlist are able to see your status
			foreach(Contact contact in messenger.AllowedList)
			{
				this.Log.Text += "AL > " + contact.Name + " (" + contact.Status + ")\r\n";
			}

			// now set our initial status !
			// we must set an initial status otherwise 
			messenger.SetStatus(MSNStatus.Online);					
			Log.Text += "Status set to online!\r\n";


			/* the alllist just enumerates all possible contacts. it is not very usefull in
				 * this sample so i've commented it out.
				foreach(Contact contact in messenger.AllList)
				{
					this.Log.Text += "AL > " + contact.Name + " (" + contact.Status + ")";
				} */
		}

		/// <summary>
		/// Called when the user doubleclicks on a contact in the contactlist.
		/// We will send a message to the contact which have been selected.
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void contactListView_DoubleClick(object sender, System.EventArgs e)
		{
			// when this contact we inserted in the listview we let the 'tag' property
			// point to the corresponsing Contact object of the dotMSN library.
			Contact contact = (DotMSN.Contact)contactListView.SelectedItems[0].Tag;

			// Do the conversation request. You can optionally define clientdata,
			// for example your own conversation object, such that the request can
			// be identified in events later on.
			messenger.RequestConversation(contact.Mail);			
		}

		private void FileTransferHandler_FileTransferInvitation(FileTransferHandler sender, FileTransferInvitationEventArgs e)
		{
			// We want to accept it. You can check the e.FileTransfer object for more info.			
			e.Accept = true;
			// uncomment this to save the file to your C-drive
			//e.FileTransfer.ReceiveStream = new FileStream("C:\\" + e.FileTransfer.FileName, FileMode.Create, FileAccess.ReadWrite);
			Log.Text += "Invited filetransfer " + e.FileTransfer.FileName + "\r\n";
		}

		
		#region Filetransfer code

		/// <summary>
		/// When a contact is selected in the listview a file-dialog will be presented
		/// and a file will be send to the contact.
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void SendFileButton_Click(object sender, System.EventArgs e)
		{
			if(contactListView.SelectedItems.Count == 0) return;

			FileDialog dialog = new OpenFileDialog();
			if(dialog.ShowDialog() != DialogResult.OK)
				return;

			// when this contact we inserted in the listview we let the 'tag' property
			// point to the corresponsing Contact object of the dotMSN library.
			Contact contact = (DotMSN.Contact)contactListView.SelectedItems[0].Tag;

			// first check whether we already have a session we can capture to send the file
			foreach(Conversation conversation in messenger.Conversations)
			{
				if(conversation.Users.ContainsKey(contact.Mail))
				{
					SendFile(conversation, contact, dialog.FileName);
					return;
				}					
			}

			// we have to create a conversation (session) before we can send a file
			Conversation newConversation = messenger.RequestConversation(contact.Mail, dialog.FileName);
			
			// set this callback so we can start the file as soon as the other contact has joined the conversation
			newConversation.ContactJoin +=new DotMSN.Conversation.ContactJoinHandler(filetransferConversation_ContactJoin);
		}

		/// <summary>
		/// Called when a session/conversation has been created in order to send a file. After the contact has joined
		/// we are going to send the file which is stored in the Conversation.ClientData field.
		/// </summary>
		private void filetransferConversation_ContactJoin(Conversation sender, ContactEventArgs e)
		{
			SendFile(sender, e.Contact, (string)sender.ClientData);
		}

		/// <summary>
		/// Send the file to the specified conversation/contact combination
		/// </summary>		
		private void SendFile(Conversation conversation, Contact contact, string filename)
		{
			conversation.FileTransferHandler.TransferFile(contact.Mail, filename);
		}

		#endregion

	}
}