home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Visual Basic Toolbox
/
Visual Basic Toolbox (P.I.E.)(1996).ISO
/
internet
/
vbipsmtp
/
echoudp.frm
< prev
next >
Wrap
Text File
|
1995-11-02
|
16KB
|
488 lines
VERSION 4.00
Begin VB.Form frmMain
BorderStyle = 3 'Fixed Dialog
Caption = "UDP Echo Sample Application"
ClientHeight = 5820
ClientLeft = 4620
ClientTop = 2565
ClientWidth = 4545
BeginProperty Font
name = "Arial"
charset = 0
weight = 700
size = 8.25
underline = 0 'False
italic = 0 'False
strikethrough = 0 'False
EndProperty
ForeColor = &H80000008&
Height = 6225
Icon = "EchoUDP.frx":0000
Left = 4560
LinkTopic = "Form1"
MaxButton = 0 'False
ScaleHeight = 5820
ScaleWidth = 4545
Top = 2220
Width = 4665
Begin VB.PictureBox Picture1
BorderStyle = 0 'None
BeginProperty Font
name = "MS Sans Serif"
charset = 0
weight = 700
size = 8.25
underline = 0 'False
italic = 0 'False
strikethrough = 0 'False
EndProperty
Height = 1185
Left = 105
ScaleHeight = 1185
ScaleWidth = 4425
TabIndex = 3
Top = 630
Width = 4425
Begin VB.OptionButton opServerAddress
Caption = "Use Server Address"
BeginProperty Font
name = "MS Sans Serif"
charset = 0
weight = 400
size = 8.25
underline = 0 'False
italic = 0 'False
strikethrough = 0 'False
EndProperty
Height = 225
Left = 2310
TabIndex = 9
Top = 855
Width = 2115
End
Begin VB.OptionButton opServerName
Caption = "Use Server Name"
BeginProperty Font
name = "MS Sans Serif"
charset = 0
weight = 400
size = 8.25
underline = 0 'False
italic = 0 'False
strikethrough = 0 'False
EndProperty
Height = 225
Left = 210
TabIndex = 8
Top = 855
Value = -1 'True
Width = 1905
End
Begin VB.TextBox txServerAddress
BackColor = &H00FFFFFF&
BeginProperty Font
name = "MS Sans Serif"
charset = 0
weight = 400
size = 8.25
underline = 0 'False
italic = 0 'False
strikethrough = 0 'False
EndProperty
Height = 285
Left = 1575
TabIndex = 7
Top = 450
Width = 2745
End
Begin VB.TextBox txServerName
BackColor = &H00FFFFFF&
BeginProperty Font
name = "MS Sans Serif"
charset = 0
weight = 400
size = 8.25
underline = 0 'False
italic = 0 'False
strikethrough = 0 'False
EndProperty
Height = 285
Left = 1575
TabIndex = 6
Top = 100
Width = 2745
End
Begin VB.Label Label2
Alignment = 1 'Right Justify
Appearance = 0 'Flat
BackColor = &H00C0C0C0&
Caption = "Server Address :"
BeginProperty Font
name = "MS Sans Serif"
charset = 0
weight = 400
size = 8.25
underline = 0 'False
italic = 0 'False
strikethrough = 0 'False
EndProperty
ForeColor = &H80000008&
Height = 225
Left = 0
TabIndex = 5
Top = 450
Width = 1485
End
Begin VB.Label Label1
Alignment = 1 'Right Justify
Appearance = 0 'Flat
BackColor = &H00C0C0C0&
Caption = "Server Name :"
BeginProperty Font
name = "MS Sans Serif"
charset = 0
weight = 400
size = 8.25
underline = 0 'False
italic = 0 'False
strikethrough = 0 'False
EndProperty
ForeColor = &H80000008&
Height = 225
Left = 0
TabIndex = 4
Top = 100
Width = 1485
End
End
Begin VB.TextBox txStatus
BackColor = &H00C0C0C0&
BeginProperty Font
name = "MS Sans Serif"
charset = 0
weight = 400
size = 8.25
underline = 0 'False
italic = 0 'False
strikethrough = 0 'False
EndProperty
Height = 330
Left = 105
TabIndex = 14
Top = 5355
Width = 4320
End
Begin VB.CommandButton btnEcho
Caption = "&Echo"
BeginProperty Font
name = "MS Sans Serif"
charset = 0
weight = 400
size = 8.25
underline = 0 'False
italic = 0 'False
strikethrough = 0 'False
EndProperty
Height = 330
Left = 180
TabIndex = 0
Top = 3045
Width = 1275
End
Begin VB.ListBox lbEcho
BackColor = &H00C0C0C0&
BeginProperty Font
name = "MS Sans Serif"
charset = 0
weight = 400
size = 8.25
underline = 0 'False
italic = 0 'False
strikethrough = 0 'False
EndProperty
Height = 1590
Left = 105
TabIndex = 1
Top = 3675
Width = 4320
End
Begin VB.TextBox txData
BackColor = &H00FFFFFF&
BeginProperty Font
name = "MS Sans Serif"
charset = 0
weight = 400
size = 8.25
underline = 0 'False
italic = 0 'False
strikethrough = 0 'False
EndProperty
Height = 750
Left = 1575
TabIndex = 13
Text = "This is a sample of echo data."
Top = 2625
Width = 2850
End
Begin VB.OptionButton opServiceNumber
Caption = "Use echo Port Number (7)"
BeginProperty Font
name = "MS Sans Serif"
charset = 0
weight = 400
size = 8.25
underline = 0 'False
italic = 0 'False
strikethrough = 0 'False
EndProperty
Height = 225
Left = 315
TabIndex = 11
Top = 2300
Value = -1 'True
Width = 2535
End
Begin VB.OptionButton opServiceName
Caption = "Use echo Service Name"
BeginProperty Font
name = "MS Sans Serif"
charset = 0
weight = 400
size = 8.25
underline = 0 'False
italic = 0 'False
strikethrough = 0 'False
EndProperty
Height = 225
Left = 315
TabIndex = 10
Top = 2000
Width = 2535
End
Begin dsSocketLib.DSSocket DSSocket1
Height = 420
Left = 3240
TabIndex = 15
Top = 1920
Width = 420
_version = 65536
_extentx = 741
_extenty = 741
_stockprops = 64
localport = 0
remotehost = ""
remoteport = 0
servicename = ""
remotedotaddr = ""
datasize = 2048
linger = -1 'True
timeout = 10
linemode = 0 'False
eolchar = 10
bindconnect = 0 'False
sockettype = 1
End
Begin VB.Label Label4
Appearance = 0 'Flat
BackColor = &H00C0C0C0&
Caption = "Echo from server :"
BeginProperty Font
name = "MS Sans Serif"
charset = 0
weight = 400
size = 8.25
underline = 0 'False
italic = 0 'False
strikethrough = 0 'False
EndProperty
ForeColor = &H80000008&
Height = 225
Left = 105
TabIndex = 2
Top = 3465
Width = 1905
End
Begin VB.Label Label3
Alignment = 1 'Right Justify
Appearance = 0 'Flat
BackColor = &H00C0C0C0&
Caption = "Data to echo :"
BeginProperty Font
name = "MS Sans Serif"
charset = 0
weight = 400
size = 8.25
underline = 0 'False
italic = 0 'False
strikethrough = 0 'False
EndProperty
ForeColor = &H80000008&
Height = 225
Left = 105
TabIndex = 12
Top = 2625
Width = 1380
End
End
Attribute VB_Name = "frmMain"
Attribute VB_Creatable = False
Attribute VB_Exposed = False
Option Explicit
' Declare the constants used to set the Action property
' and check the State of the socket
Const SOCK_ACTION_CLOSE = 1
Const SOCK_ACTION_CONNECT = 2
Const SOCK_ACTION_LISTEN = 3
Const SOCK_STATE_CLOSED = 1
Const SOCK_STATE_CONNECTED = 2
Private Sub btnEcho_Click()
' Setup to handle errors as they occur
On Error Resume Next
' set to UDP socket type
DSSocket1.SocketType = 1
' If the user selected to use the ServerName, then
' set the properties accordingly. If RemoteDotAddr is
' blank, then the control will use the RemoteHost information
' to resolve an address.
If (opServerName) Then
DSSocket1.RemoteHost = txServerName.Text
DSSocket1.RemoteDotAddr = ""
Else
DSSocket1.RemoteHost = ""
DSSocket1.RemoteDotAddr = txServerAddress.Text
End If
' If the user selected to use the ServiceName, then
' set the properties accordingly. If RemotePort property is
' zero, then the control will use the ServiceName information
' to resolve a port number for making the connection.
If (opServiceName) Then
DSSocket1.ServiceName = "echo" ' set service name to "echo"
DSSocket1.RemotePort = 0
Else
DSSocket1.ServiceName = ""
DSSocket1.RemotePort = 7 ' standard TCP port number for echo
' as defined in SERVICES file
End If
' If the socket is not already connected, the do a Connect
If (DSSocket1.State = SOCK_STATE_CLOSED) Then
' show the status information
txStatus.Text = "Connecting to server..."
' issue the connect command
DSSocket1.Connect
' if there were any errors establishing the connection
' then report them
If (Err > 0) Then
MsgBox "Error attempting connect to server." & Chr(13) & Format(Err) & " : " & Error
txStatus.Text = Error & "..."
Exit Sub
End If
Else
DSSocket1.Send = txData.Text
End If
End Sub
Private Sub dsSocket1_Connect()
txStatus.Text = "Connected to server " + txServerName.Text + "..."
End Sub
Private Sub dsSocket1_Receive(ReceiveData As String)
'
' Process data echoed back from server
'
On Error Resume Next
' Display the data in the listbox
lbEcho.AddItem DSSocket1.RemoteDotAddr & ":" & ReceiveData
' Make the last item the current one
lbEcho.ListIndex = lbEcho.ListCount - 1
' Close the connection. Normally this wouldn't be done
' until we are actually finished with the connection. We
' do it here for demonstration purposes
DSSocket1.Close
' If there were any errors then report them. The Action property
' will return errors in the standard VB error variables
If (Err > 0) Then
MsgBox "Error disconnecting from server." & Chr(13) & Format(Err) & " : " & Error
txStatus.Text = Error & "..."
Exit Sub
' If no errors, just report the status
Else
txStatus.Text = "Disconnected from server " + txServerName.Text + "..."
End If
End Sub
Private Sub dsSocket1_SendReady()
' now that the socket is connected, send the data string to be echoed back
DSSocket1.Send = txData.Text
' clear the RemoteDotAddr so we can see it come back in the UDP transfer
DSSocket1.RemoteDotAddr = ""
' if there were any errors establishing the connection
' then report them
If (Err > 0) Then
MsgBox "Error sending data to server." & Chr(13) & Format(Err) & " : " & Error
txStatus.Text = Error & "..."
' else show the status
Else
txStatus.Text = Format(Len(txData.Text)) + " bytes sent to server..."
End If
End Sub
Private Sub Form_Paint()
'
' This is simply some pretty header code
'
' Setup to do a shadowed text title and copyright notice.
FontSize = 30
FontItalic = True
ForeColor = &H0
CurrentX = 140
CurrentY = -50
Print "Echo"
ForeColor = &HFF0000
CurrentX = 110
CurrentY = -80
Print "Echo"
FontSize = 12
CurrentX = 1800
CurrentY = 300
Print Chr(169) & "Dolphin Systems Inc."
End Sub