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Feb 5th, 2006

writing from bottom up in rich text box

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is there any simple way to do this?

im making a chat client and i want it to display text like all chat clients do, which is buttom to top.
Thanks!

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plazmo

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Feb 6th, 2006

Re: writing from bottom up in rich text box

Quote originally posted by plazmo ...

is there any simple way to do this?

im making a chat client and i want it to display text like all chat clients do, which is buttom to top.
Thanks!

well i know how to write it how i want it in the rich text box. but i need it to auto scroll down. anyone??!?!?

plazmo

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Feb 9th, 2006

Re: writing from bottom up in rich text box

Most chat clients dont write from the bottom up.

They write from the top down but when it is full they start to scroll. Is this a web or windows forms app?

f1 fan

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Feb 9th, 2006

Re: writing from bottom up in rich text box

i guess i meant that. but i need help on making it auto scroll. because when it fills regularly, the new text is put below the old text which is out of display.
this is a windows form

plazmo

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Feb 9th, 2006

Re: writing from bottom up in rich text box

Its been a while since i used the rtb and did anything like it. From memory though i think i had to select the last character and then unselect it without the rtb painting. I will look and see if i can get back to you with something more definite

f1 fan

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Feb 13th, 2006

Re: writing from bottom up in rich text box

Quote originally posted by f1 fan ...

Its been a while since i used the rtb and did anything like it. From memory though i think i had to select the last character and then unselect it without the rtb painting. I will look and see if i can get back to you with something more definite

ive seen people saying to select the last char then unselect it, but when there gets to be a lot of text it gives a flicker effect which i wanted to avoid.
But maybe it wont be visable if its done before its painted, but i dont think paint is called anything the text changes does it?
i guess i could always just create my own textbox control which does this.

plazmo

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Feb 13th, 2006

Re: writing from bottom up in rich text box

ok ive found what i was looking for. heres all i needed

VB.NET Syntax (Toggle Plain Text)
 
        RichTextBox1.AppendText(newText)
        RichTextBox1.SelectionStart = Len(RichTextBox1.Text)
        RichTextBox1.ScrollToCaret()
        RichTextBox1.Select()
        RichTextBox1.AppendText(newText)
        RichTextBox1.SelectionStart = Len(RichTextBox1.Text)
        RichTextBox1.ScrollToCaret()
        RichTextBox1.Select()

i dont understand why ms couldnt make is simple and include it in the IDE

plazmo

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Jul 29th, 2008

Re: writing from bottom up in rich text box

You can use RichTextBox which is very powerful and professional.

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