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TextBox Problems

Right everytime i change the contents of a text box (which has a vertical scrollbar and multiline=true) the Caret and scrollbar reset to go back to the top of the text box.  

Its driving me nuts how can you stop this or work round it?
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gerrymcd
Asked:
gerrymcd
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1 Solution
 
Carl TawnSystems and Integration DeveloperCommented:
Try adding the line:

    txtYourTextBox.SelStart = Len(txtYourTextBox.Text)

This should reposition the cursor to the end of the text and scroll it to the right position.

Hope this helps.
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nichiaCommented:
Try this to add new lines to your multiline textbox and keep the caret at the bottom:

With Text1
    .SelStart = Len(.Text)
    .SelText = vbCrLf & "New Text"
End With
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gerrymcdAuthor Commented:
No luck with any of that.
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nichiaCommented:
It's not an issue of luck.  Please post your code, and we'll see what is wrong.
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Mike TomlinsonMiddle School Assistant TeacherCommented:
Can you show us how you "change the contents of a text box" in your code?

Idle_Mind
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gerrymcdAuthor Commented:
Its quite a complicated thing im trying to do.
Bascially theres lines of lyrics in the texbox.  I click on a line and add a timestamp to the beginning of it.

So;
I'm a cold heartbreaker
and you can take the pity so farfit ta burn
and I'll rip your heart in two
and I'll leave you lyin on the bed

Becomes;
[01:13]I'm a cold heartbreaker
and you can take the pity so farfit ta burn
and I'll rip your heart in two
and I'll leave you lyin on the bed

Its the part above thats really causing problems.  Trying to append the "[01:13]" to a textbox line is tricky.  I had used the replace function but replaced all occurances and not the one line.

So i went for an array and just copied the contents of the the array into the textbox.  But this causes the textbox scroll bar to scroll up to the top.

i know theres a sendmessage function to do it at least i think.
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Mike TomlinsonMiddle School Assistant TeacherCommented:
>> I click on a line and add a timestamp to the beginning of it.

So as soon as you click on the line you need a value inserted at the beginning of that line?

Idle_Mind
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gerrymcdAuthor Commented:
Yes.  Its as awkward as hell.
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Mike TomlinsonMiddle School Assistant TeacherCommented:
Does every line have a vbCrLf after it? ... or is it a mixutre of word wrapping and vbCrLf's?

Idle_Mind
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gerrymcdAuthor Commented:
It should have just vbCrLf
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gerrymcdAuthor Commented:
I think the best thing i can do is change the text box to a listbox.

On each click i can easily adda new timestamp and if anything needs to edited just past the lot into a text box?  sounds right or better?
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Mike TomlinsonMiddle School Assistant TeacherCommented:
Option Explicit

Private Sub Form_Load()
    Dim lyrics As String
   
    lyrics = "I'm a cold heartbreaker" & vbCrLf & _
            "and you can take the pity so farfit ta burn" & vbCrLf & _
            "and I'll rip your heart in two" & vbCrLf & _
            "and I'll leave you lyin on the bed"

    Text1.Text = lyrics
End Sub

Private Sub Text1_Click()
    Dim timeStamp As String
    Dim endOfLastLine As Integer
   
    timeStamp = "[" & Now() & "] "
    endOfLastLine = InStrRev(Text1.Text, vbCrLf, Text1.SelStart)
    If endOfLastLine > 0 Then
        If Mid(Text1.Text, endOfLastLine + 2, 1) <> "[" Then
            Text1.Text = Left(Text1.Text, endOfLastLine + 1) & timeStamp & Mid(Text1.Text, endOfLastLine + 2)
        End If
    Else
        If Left(Text1.Text, 1) <> "[" Then
            Text1.Text = timeStamp & Text1.Text
        End If
    End If
    Text1.SelStart = Len(Text1.Text)
End Sub
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gerrymcdAuthor Commented:
that looks good Idle_Mind, thanks for your help im off to try that out or i might use a listbox instead.  Ill give you the points later.

Thanks all.
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gerrymcdAuthor Commented:
Idle_Mind while that works for 4 lines of lyrics make the lyrics more than 4 lines and it wont work.  The scroll bar goes crazy.
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Mike TomlinsonMiddle School Assistant TeacherCommented:
This doesn't make the scrollbars go crazy:

Option Explicit

Private Sub Form_Load()
    Dim lyrics As String
   
    lyrics = "I'm a cold heartbreaker" & vbCrLf & _
            "and you can take the pity so farfit ta burn" & vbCrLf & _
            "and I'll rip your heart in two" & vbCrLf & _
            "and I'll leave you lyin on the bed" & vbCrLf & _
            "I'm a cold heartbreaker" & vbCrLf & _
            "and you can take the pity so farfit ta burn" & vbCrLf & _
            "and I'll rip your heart in two" & vbCrLf & _
            "and I'll leave you lyin on the bed" & vbCrLf & _
            "I'm a cold heartbreaker" & vbCrLf & _
            "and you can take the pity so farfit ta burn" & vbCrLf & _
            "and I'll rip your heart in two" & vbCrLf & _
            "and I'll leave you lyin on the bed" & vbCrLf & _
            "I'm a cold heartbreaker" & vbCrLf & _
            "and you can take the pity so farfit ta burn" & vbCrLf & _
            "and I'll rip your heart in two" & vbCrLf & _
            "and I'll leave you lyin on the bed"

    Text1.Text = lyrics
End Sub

Private Sub Text1_Click()
    Dim timeStamp As String
    Dim endOfLastLine As Integer
       
    timeStamp = "[" & Now() & "] "
    endOfLastLine = InStrRev(Text1.Text, vbCrLf, Text1.SelStart)
    Text1.SelLength = 0
    If endOfLastLine > 0 Then
        If Mid(Text1.Text, endOfLastLine + 2, 1) <> "[" Then
            Text1.SelStart = endOfLastLine + 1
            Text1.SelText = timeStamp
        End If
    Else
        If Left(Text1.Text, 1) <> "[" Then
            Text1.SelStart = 0
            Text1.SelText = timeStamp
        End If
    End If
End Sub
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gerrymcdAuthor Commented:
Thanks for that it worked.
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gerrymcdAuthor Commented:
Sorry theres a problem if the line already has a time stamp can you modify your code, please
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Mike TomlinsonMiddle School Assistant TeacherCommented:
Could you elaborate on "theres a problem if the line already has a time stamp" for me?

It works fine on my system.  If there is a stamp already on the line, it doesn't add another one.  It assumes the stamp begins with "[".

Idle_Mind
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gerrymcdAuthor Commented:
Sorry no i fixed it no probs, thanks alot for your help!
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Mike TomlinsonMiddle School Assistant TeacherCommented:
=)
Idle_Mind
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