| Microsoft DirectX 8.1 (Visual Basic) |
The DXVBMessenger sample is a simple client/server instant messaging application.
DXVB Messenger Server is the server portion of a client/server instant messaging application. This sample requires the use of XML to maintain the data needed. You must have at least Internet Explorer 4 installed on your machine to compile or run this sample.
Source: (SDK root)\Samples\Multimedia\VBSamples\DirectPlay\DXVBMessenger
Executable: (SDK root)\Samples\Multimedia\VBSamples\DirectPlay\Bin
Log on to a server, add friends, and send instant messages.
The DXVBMessenger handles DirectPlay system messages. See implemented DirectPlay8Event objects in the source code for details.
DXVBMessenger client handles the DPNMSG_RECEIVE message and upon receipt will process the following message types.
| Msg_LoginSuccess | Logged in successfully, update the UI |
| Msg_InvalidPassword | The password for this account is invalid |
| Msg_InvalidUser | This user doesn't exist |
| Msg_UserAlreadyExists | This user already exists |
| Msg_FriendAdded | A user was added to my list of friends |
| Msg_FriendDoesNotExist | Tried to add a friend that doesn't exist |
| Msg_BlockUserDoesNotExist | Tried to block a user that doesn't exist |
| Msg_FriendBlocked | A user was added to my list of blocked users |
| Msg_SendClientFriends | Get the list of my friends from the server |
| Msg_UserBlocked | Can't send a message to this person; they've blocked you |
| Msg_ReceiveMessage | Received a message; show the message UI and display the message |
| Msg_FriendLogon | A friend has just logged on, update UI |
| Msg_FriendLogoff | A friend has just logged off, update UI |
DXVBMessenger server handles the DPNMSG_RECEIVE message and upon receipt will process the following message types.
| Msg_Login | Get log on information, verify against the database |
| Msg_CreateNewAccount | A new account needs to be created; try to create in database |
| Msg_AddFriend | Add a friend to this users list |
| Msg_BlockFriend | Block someone in this users list |
| Msg_SendMessage | User is sending a message to someone, pass it on |