Hi,
In my programm users can enter text which is added to a richtextbox.
Everytime a text is added, this text had get his own color.
The first 2 times it goes fine,
eg.
hallo (red)
hallo (yellow)
But when a third time a text is added with e.g. the color blue, the
first 2 gets the color red ??
Help what am i doing wrong
Here my piece of code:
Dim c As Color
If rbtrood.Checked Then
c = Color.Red
End If
If rbtgeel.Checked Then
c = Color.Yellow
End If
If rbtblauw.Checke d Then
c = Color.Blue
End If
With rtb
.Text &= rtbinvoer.Text
.SelectionStart = L
.SelectionLengt h = rtbinvoer.Text. Length
.SelectionColor = c
End With
L = rtb.Text.Length
Hope anyone can help me,
Thank already
Klaasjan 1 1403
Klaasjan wrote: Hi,
In my programm users can enter text which is added to a richtextbox. Everytime a text is added, this text had get his own color. The first 2 times it goes fine, eg.
hallo (red) hallo (yellow)
But when a third time a text is added with e.g. the color blue, the first 2 gets the color red ?? Help what am i doing wrong Here my piece of code:
[snip]
With rtb .Text &= rtbinvoer.Text
This is where the problem lies, my experiments have discovered. It
appears that you should never assign directly to the .Text property of
a RichTextBox - doing so erases ALL formatting information. Even this:
RichTextBox1.Te xt = RichTextBox1.Te xt
which looks like it will do nothing, actually has the side effect of
erasing ALL formatting information. Some might call this a bug, but not
me :)
In this particular instance the solution is easy: instead of
.Text &= rtbinvoer.Text
just do
.AppendText(rtb invoer.Text)
and you get your desired result. If you need to do more complex stuff,
eg adding text to somewhere other than the end of the existing text, I
recommend this thread:
<http://groups-beta.google.com/group/microsoft.publi c.dotnet.langua ges.vb/browse_frm/thread/22b088acbf67034 e>
and a bit of experimentation .
--
Larry Lard
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