Popup window to a remote computer

[rejome]

I'm able to established a connection to a remote computer and I'm asking myself if it's possible to popup a window on the remote computer screen? The remote computer doesn't have a program to "catch" my commands (as a server). Does CreateWindowEx could be a good idea?

Well, the bottom line is, I'm trying to do a chat program (really basic) that only one computer has the program to execute.

Is that possible???

 

[Norris68]

If you want communication to be one way, then you could use the NET SEND command. This is a command-line tool that will send a text message to any Windows NT/2000/XP machine. Windows 9x machines will need to run the WinPopup application to receive messages. Type "NET SEND /?" at a command prompt.

You can implement the same functionality in code using the NetMessageBufferSend API function as follows ...

Private Declare Function NetMessageBufferSend Lib _
  "netapi32.dll" (yServer As Any, yToName As Byte, _
  yFromName As Any, yMsg As Byte, ByVal lSize As Long) As Long

Public Function BroadcastMessage(sToUser As String, _
    sMessage As String) As Boolean
   Dim yToName() As Byte
   Dim yMsg() As Byte

   yToName = sToUser & vbNullChar
   yMsg = sMessage & vbNullChar
   If NetMessageBufferSend(ByVal 0&, yToName(0), ByVal 0&, _
        yMsg(0), UBound(yMsg)) = NERR_Success Then
     BroadcastMessage = True
   End If
End Function

Failing that, why re-invent the wheel? - there are plenty of free chat programs around and no doubt a search through a few VB code sites will probably turn up something you could use.

 

[rejome]

Yeah...I know the net send command. But I want a communication "two-way". As example, I want to popup a window with a text box in where the "sender" and the "remote" can answer to each other by a click on a button (for example). I don't want the remote to response me by using the net send command.

But hey, thanks anyway Norris68.

 

[KenChristensen]

For a chat program you can use winsock.
you need to make a server and a client.
Iam making one right know where i mix the 2 and where you can chat and send files like in messenger.



ken Christensen
Ken@Christensen.dk
Ken Christensen Software

http://www.kc-software.tk