Visual Basic Controls/Visual Basic Controls.iso/vbcontrol/fssharea/frmclien.frm

Visual Basic Form | 1998-09-19 | 6.1 KB | 186 lines

VERSION 5.00
Begin VB.Form frmClient
   Caption         =   "Client"
   ClientHeight    =   2940
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   5865
   LinkTopic       =   "Form1"
   ScaleHeight     =   2940
   ScaleWidth      =   5865
   StartUpPosition =   3  'Windows Default
   Begin VB.CommandButton Command1
      Caption         =   "&Client"
      Height          =   345
      Left            =   4530
      TabIndex        =   6
      Top             =   480
      Width           =   1215
   End
   Begin VB.TextBox Text1
      Height          =   435
      Left            =   1950
      TabIndex        =   0
      Top             =   1500
      Width           =   2235
   End
   Begin VB.CommandButton cmdOK
      Caption         =   "OK"
      Height          =   315
      Left            =   4530
      TabIndex        =   1
      Top             =   90
      Width           =   1200
   End
   Begin VB.Label Label4
      Height          =   1095
      Left            =   150
      TabIndex        =   5
      Top             =   1500
      Width           =   1635
   End
   Begin VB.Label Label3
      Caption         =   "Data saved by the server:"
      Height          =   405
      Left            =   150
      TabIndex        =   4
      Top             =   180
      Width           =   1485
   End
   Begin VB.Label Label2
      BorderStyle     =   1  'Fixed Single
      Height          =   345
      Left            =   1950
      TabIndex        =   3
      Top             =   600
      Width           =   2205
   End
   Begin VB.Label Label1
      BorderStyle     =   1  'Fixed Single
      Height          =   315
      Left            =   1950
      TabIndex        =   2
      Top             =   180
      Width           =   2205
   End
Attribute VB_Name = "frmClient"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
' *******************************************************************
' ** This example was created by Fishhead Software, 1998
' *******************************************************************
Option Explicit
Private m_Share As fsShare
Private m_Handle As Long
'Private WithEvents m_Events As fsEvents  ' ** Needed only if want to receive messages
Private Sub cmdOK_Click()
    Unload Me
End Sub
Private Sub Command1_Click()
    If GetServer <> fsSHHNoServerHandle Then

        ' ** Ensure the next client will attach
        ' ** to the same server;
        m_Share.SetDefaultServer
        Shell "client.exe", vbNormalFocus

    End If
End Sub
Private Sub Form_Initialize()
    Set m_Share = New fsShare
   ' Set m_Events = m_Share.fsEvents  ' Only needed if we want the messages
    ' ** Coonect to the server as client;
    m_Handle = m_Share.ConnectClient("my server", "my client")
End Sub
Private Sub Form_Load()
    On Error Resume Next
    Dim f As Object
    Dim s As Variant
    Dim i As Long

    If m_Share.GetServerHandle <> fsSHHNoServerHandle Then
        ' ** Determine if the server saved its width and height;
        i = m_Share.GetIndex("pos")
        If i Then
            ' ** It did, now position the client accordingly.
            ' ** Returns an array, s(1) = Width and s(2) = Height;
            s = m_Share.GetDataByIndex(i)
            Me.Move s(1), s(2)
        End If

        ' ** Get the data saved by the server;
        Label1.Caption = m_Share.GetData("Company")
        Label2.Caption = m_Share.GetData("Product")

        ' ** You can get saved objects;
        Set f = m_Share.GetObject("server form")

    End If
    Label4.Caption = "Edit me.  Add some text in the text box and watch how the server gets updated."
End Sub
Private Sub Form_Terminate()
    ' ** Remove the connection to free up the data;
    m_Share.DisconnectClient
End Sub
Private Sub Text1_Change()
    Dim Handle As Long

    ' ** Verify if the client is attached to a server;
    Handle = GetServer
    If Handle <> fsSHHNoServerHandle Then
        ' ** Echo the changes to the server text
        ' ** window using our own defined message;
        Call m_Share.FireDataMessage(Handle, fsSHFMUser + 1, Text1.Text)
    End If
End Sub
' **********************************************
' ** This routine will return the server handle
' ** and load the server if it is not present;
' **********************************************
Private Function GetServer() As Long
    On Error GoTo ErrorHandler
    Dim ServerHandle As Long
    Dim t As Long
    ' ** Gets the server handle or returns
    ' ** no handle;
    ServerHandle = m_Share.GetServerHandle
    If ServerHandle = fsSHHNoServerHandle Then

        ' ** Start the server;
        Shell "Server.exe", vbNormalNoFocus

        ' ** Wait until server handle gets set;
        Do
            DoEvents
            ServerHandle = m_Share.GetServerHandle
        Loop While ServerHandle = fsSHHNoServerHandle

Retry:
        ' ** Keep on retrying until server is fully loaded;
        If ServerHandle <> fsSHHNoServerHandle Then
            ' *********************************************
            ' ** These commands will error out if the
            ' ** server has not save them in its form load;
            ' *********************************************
            Label1.Caption = m_Share.GetData("Company")
            Label2.Caption = m_Share.GetData("Product")
        End If

    End If
ExitFunc:
    GetServer = ServerHandle
    Exit Function
ErrorHandler:
    ' ****************************************
    ' ** Keep on trying until item is set,
    ' ** otherwise some other error occurred;
    ' ****************************************
    If Err.Number = fsSHErrItemNotFound Then
        Resume Retry
    Else
        Resume ExitFunc
    End If
End Function