Visual Basic Source Code/Visual Basic Source Code.iso/vbsource/equaflip/axduserd.dob

Text File | 1999-10-06 | 6KB | 179 lines

VERSION 5.00
Object = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0"; "MSCOMCTL.OCX"
Begin VB.UserDocument axdUserDoc
   ClientHeight    =   225
   ClientLeft      =   0
   ClientTop       =   0
   ClientWidth     =   705
   HScrollSmallChange=   225
   ScaleHeight     =   225
   ScaleWidth      =   705
   VScrollSmallChange=   225
   Begin MSComctlLib.Toolbar Toolbar1
      Align           =   1  'Align Top
      Height          =   330
      Left            =   0
      TabIndex        =   1
      Top             =   0
      Width           =   705
      _ExtentX        =   1244
      _ExtentY        =   582
      ButtonWidth     =   609
      ButtonHeight    =   582
      ToolTips        =   0   'False
      AllowCustomize  =   0   'False
      Wrappable       =   0   'False
      Style           =   1
      ImageList       =   "ImageList1"
      _Version        =   393216
      BeginProperty Buttons {66833FE8-8583-11D1-B16A-00C0F0283628}
         NumButtons      =   2
         BeginProperty Button1 {66833FEA-8583-11D1-B16A-00C0F0283628}
            Key             =   "EquaFlipButton"
            Object.ToolTipText     =   "Flip variables around an equal sign"
         EndProperty
         BeginProperty Button2 {66833FEA-8583-11D1-B16A-00C0F0283628}
            Key             =   "WiperButton"
            Object.ToolTipText     =   "Clear the Immediate Window"
         EndProperty
      EndProperty
   End
   Begin MSComctlLib.ImageList ImageList1
      Left            =   90
      Top             =   690
      _ExtentX        =   1005
      _ExtentY        =   1005
      BackColor       =   -2147483643
      ImageWidth      =   16
      ImageHeight     =   16
      MaskColor       =   12632256
      _Version        =   393216
      BeginProperty Images {2C247F25-8591-11D1-B16A-00C0F0283628}
         NumListImages   =   2
         BeginProperty ListImage1 {2C247F27-8591-11D1-B16A-00C0F0283628}
            Picture         =   "axdUserDoc.dox":0000
            Key             =   "EquaFlipButton"
         EndProperty
         BeginProperty ListImage2 {2C247F27-8591-11D1-B16A-00C0F0283628}
            Picture         =   "axdUserDoc.dox":015C
            Key             =   "WiperButton"
         EndProperty
      EndProperty
   End
   Begin VB.TextBox txtCode
      Height          =   495
      Left            =   180
      MultiLine       =   -1  'True
      TabIndex        =   0
      Text            =   "axdUserDoc.dox":02BC
      Top             =   1335
      Visible         =   0   'False
      Width           =   15255
   End
End
Attribute VB_Name = "axdUserDoc"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = True
Option Explicit

Public Sub ClearImmediateWindow()
'Slightly modified from MSDN source sample code
Dim oWindow As VBIDE.Window

    Set oWindow = VBInstance.Windows("Immediate")
    If oWindow Is Nothing Then Exit Sub  '

    If oWindow.Visible = True Then
        oWindow.SetFocus
        SendKeys ("^({Home})"), True
        SendKeys ("^(+({End}))"), True
        SendKeys ("{Del}"), True
    End If

    Set oWindow = Nothing

End Sub


Public Sub FlipText()
Dim nLineCount As Integer
Dim i As Integer
Dim sLine As String
Dim sLeftSide As String
Dim sRightSide As String
Dim sNewCode As String
Dim nPos As Integer

    'Get the text from the clipboard and establisg the number of lines
    txtCode = Clipboard.GetText
    nLineCount = SendMessage(txtCode.hwnd, EM_GETLINECOUNT, 0&, 0&)

    'loop through each line
    For i = 1 To nLineCount
        'add a CR if there's more than one line
        If i > 1 Then sNewCode = sNewCode + vbCr

        'if there's an equal sign in the text line,
        'chop up the string and switch sides
        '(otherwise we do not affect the line)
        sLine = GetTextLine(i)
        nPos = InStr(sLine, "=")
        If nPos > 0 Then
            sLeftSide = Trim$(Left$(sLine, nPos - 1))
            sRightSide = Trim$(Right$(sLine, Len(sLine) - (nPos)))
            sLine = sRightSide + " = " + sLeftSide
        End If

        'concatenate the new line
        sNewCode = sNewCode + sLine

    Next

    'place the modified code on the clipboard
    Clipboard.Clear
    Clipboard.SetText sNewCode, vbCFText

End Sub

Function GetTextLine(ByVal nLineNumber As Integer) As String
Const vbBufferSize = 1024  'max line length is set to 1024 bytes
Dim sLine As String * vbBufferSize
Dim nReturn As Long

    ' Assign buffer size to first word of sLine
    Mid$(sLine, 1, 1) = Chr$(vbBufferSize And &HFF)
    Mid$(sLine, 2, 1) = Chr$(vbBufferSize \ &H100)

    'Get the line of text
    nReturn = SendMessage(txtCode.hwnd, EM_GETLINE, nLineNumber - 1, ByVal sLine)

    If nReturn Then
        GetTextLine = Left$(sLine, nReturn)
    Else
        GetTextLine = ""
    End If

End Function


Private Sub UserDocument_Initialize()
    Toolbar1.Buttons(1).Image = 1
    Toolbar1.Buttons(1).Key = "EquaFlipButton"

    Toolbar1.Buttons(2).Image = 2
    Toolbar1.Buttons(2).Key = "WiperButton"

End Sub

Private Sub Toolbar1_ButtonClick(ByVal Button As MSComctlLib.Button)
    Select Case Button.Key
        Case "EquaFlipButton"
            FlipText
        Case "WiperButton"
            ClearImmediateWindow
    End Select
End Sub