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frmtip.frm
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Visual Basic Form
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1999-07-10
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5KB
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153 lines
VERSION 5.00
Begin VB.Form frmTip
Caption = "Tip of the Day"
ClientHeight = 3285
ClientLeft = 2370
ClientTop = 2400
ClientWidth = 5415
LinkTopic = "Form1"
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 3285
ScaleWidth = 5415
WhatsThisButton = -1 'True
WhatsThisHelp = -1 'True
Begin VB.CheckBox chkLoadTipsAtStartup
Caption = "&Show Tips at Startup"
Height = 315
Left = 120
TabIndex = 3
Top = 2940
Width = 2055
End
Begin VB.CommandButton cmdNextTip
Caption = "&Next Tip"
Height = 375
Left = 4080
TabIndex = 2
Top = 600
Width = 1215
End
Begin VB.PictureBox Picture1
BackColor = &H00FFFFFF&
Height = 2715
Left = 120
Picture = "frmTip.frx":0000
ScaleHeight = 2655
ScaleWidth = 3675
TabIndex = 1
Top = 120
Width = 3735
Begin VB.Label Label1
BackColor = &H00FFFFFF&
Caption = "Did you know..."
Height = 255
Left = 540
TabIndex = 5
Top = 180
Width = 2655
End
Begin VB.Label lblTipText
BackColor = &H00FFFFFF&
Height = 1635
Left = 180
TabIndex = 4
Top = 840
Width = 3255
End
End
Begin VB.CommandButton cmdOK
Cancel = -1 'True
Caption = "OK"
Default = -1 'True
Height = 375
Left = 4080
TabIndex = 0
Top = 120
Width = 1215
End
Attribute VB_Name = "frmTip"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
' The in-memory database of tips.
Dim Tips As New Collection
' Name of tips file
Const TIP_FILE = "TIPOFDAY.TXT"
' Index in collection of tip currently being displayed.
Dim CurrentTip As Long
Private Sub DoNextTip()
' Select a tip at random.
CurrentTip = Int((Tips.Count * Rnd) + 1)
' Or, you could cycle through the Tips in order
' CurrentTip = CurrentTip + 1
' If Tips.Count < CurrentTip Then
' CurrentTip = 1
' End If
' Show it.
frmTip.DisplayCurrentTip
End Sub
Function LoadTips(sFile As String) As Boolean
Dim NextTip As String ' Each tip read in from file.
Dim InFile As Integer ' Descriptor for file.
' Obtain the next free file descriptor.
InFile = FreeFile
' Make sure a file is specified.
If sFile = "" Then
LoadTips = False
Exit Function
End If
' Make sure the file exists before trying to open it.
If Dir(sFile) = "" Then
LoadTips = False
Exit Function
End If
' Read the collection from a text file.
Open sFile For Input As InFile
While Not EOF(InFile)
Line Input #InFile, NextTip
Tips.Add NextTip
Wend
Close InFile
' Display a tip at random.
DoNextTip
LoadTips = True
End Function
Private Sub chkLoadTipsAtStartup_Click()
' save whether or not this form should be displayed at startup
SaveSetting App.EXEName, "Options", "Show Tips at Startup", chkLoadTipsAtStartup.Value
End Sub
Private Sub cmdNextTip_Click()
DoNextTip
End Sub
Private Sub cmdOK_Click()
Unload Me
End Sub
Private Sub Form_Load()
Dim ShowAtStartup As Long
' See if we should be shown at startup
ShowAtStartup = GetSetting(App.EXEName, "Options", "Show Tips at Startup", 1)
If ShowAtStartup = 0 Then
Unload Me
Exit Sub
End If
' Set the checkbox, this will force the value to be written back out to the registry
Me.chkLoadTipsAtStartup.Value = vbChecked
' Seed Rnd
Randomize
' Read in the tips file and display a tip at random.
If LoadTips(App.Path & "\" & TIP_FILE) = False Then
lblTipText.Caption = "That the " & TIP_FILE & " file was not found? " & vbCrLf & vbCrLf & _
"Create a text file named " & TIP_FILE & " using NotePad with 1 tip per line. " & _
"Then place it in the same directory as the application. "
End If
End Sub
Public Sub DisplayCurrentTip()
If Tips.Count > 0 Then
lblTipText.Caption = Tips.Item(CurrentTip)
End If
End Sub