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Visual Basic (Microsoft) Versions 5/6 FAQ

VB Component Trick

How to make a hyperlink using a Rich Text Box by Scoty
Posted: 12 Mar 04 (Edited 15 Mar 04)

One day our support staff came to me and asked if there was anyway they could add hyperlinks to an application that I wrote that utilized a rich text box component.  I have had my troubles with hyperlinks before but I thought I would just give it a try.  Here is what I came up with.  It is a simple click function that returns the hyperlink string and then shells it into IExplore.  I hope you find it useful.  Give me some feed back

thanks
Scoty
You will need to start a new project then add the RichTextBox component.  Drop a RTB on the form anywhere

then add this code

CODE

Private Sub Form_Load()

GetThisHyperLink = InputBox("HyperLink?", "Please enter a WebPage", "http:\\www.tek-tips.com")
GetThisHyperLink = Replace(GetThisHyperLink, "\\", "\\\\", 1)

Me.RichTextBox1 = "{\rtf1\ansi\deff0{\fonttbl{\f0\fnil\fcharset0 MS Sans Serif;}}" & Chr(13) & _
                    "{\colortbl ;\red0\green0\blue255;} " & Chr(13) & _
                    "\viewkind4\uc1\pard\lang1033\f0\fs17 This would be the non hyperlink beginning of the richtext box \cf1\ul " & GetThisHyperLink & "\cf0\ulnone  and this would be the end of the non hyperlink text" & Chr(13) & _
                    "\par }"


End Sub

Private Sub RichTextBox1_Click()
With Me.RichTextBox1
    If .SelColor = vbBlue And .SelUnderline Then
        'find the beginning of the Hyperlink
        For I = .SelStart To 1 Step -1
            .SelStart = I
            If .SelStart = I then 'sometimes the .SelStart doesn't change..this is the work around
                If Not .SelUnderline Then
                    Exit For
                End If
            End If
        Next I
        StartPos = .SelStart
        'Find the end of the Hyperlink
        For I = .SelStart + 1 To Len(Me.RichTextBox1)
            .SelStart = I
            If .SelStart = I then 'sometimes the .SelStart doesn't change..this is the work around
                If Not .SelUnderline Then
                    Exit For
                End If
            End If
        Next I
        EndPos = .SelStart - 1
        'Now Scrape HyperLink
        .SelStart = StartPos
        .SelLength = EndPos - StartPos
        MyHyperLink = .SelText
        .SelStart = 1
        .SelLength = 0
        'Now launch internet explorer to that page
        Shell """C:\Program Files\Internet Explorer\IExplore.exe """ & MyHyperLink, vbNormalFocus
    End If
End With
End Sub

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