Highlight Line By Line In Richtextbox?

Mar 10, 2010

i have 2 richtextbox,which will be compared with each other;array by array. if those array are same with each other;array1(3)=array2(3); then i will just display "*********" in another RTB3.but then if there are any differents between array1 and array 2, i will display error and state at which line does the errors occur.Next,i will highlight the error line in RTB1.and here is my problem.

i knew that i should use command below to complete the pogramme,but the part selection start,i dont know how to full fill it:

Richtextbox1.selectionstart =XXXXXXXXXXX
richtextbox1.selectionlength = array1(i).length
richtextbox1.selectionColor = Color.YellowGreen

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Highlight Richtextbox Line By Line?

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Private Sub RichTextBox1_MouseMove(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles RichTextBox1.MouseMove

RichTextBox1.Focus()

[CODE]...

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Class RichTextBox1
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[code]....

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[Code]...

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I tried
completeresultat.SelectedCells = lindex
AND

[code].....

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sTextLine = objReader.ReadLine() <-- Value of string cannot be converted.

full code here
-------------
Dim objReader As New System.IO.StreamReader(sOpenFile.Text)
Dim sTextLine As New ArrayList()
Dim sText As String = ""
Dim i As Integer = 0

[code]....

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I've started this with this code but not sure how to go about the next stage:

Using MyReader As New _
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[code]....

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I am using this code:

[Code]...

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[code].....

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Dim myStream As Stream = Nothing

[code].....

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1
2
3
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I tried it like that:

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim a As Integer

[Code].....

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Dim c As Control
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[code].....

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