Syntax/Command Trying To Implement Syntax Highlighting In RichTextBox?

Oct 12, 2011

I am having an issue trying to figure this out. I am writing a script editor that uses tabs (a tab control) and I want to implement syntax highlighting. My issue is that every sample I can find on syntax highlighting uses

Private Sub RichTextBox_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RichTextBox1.TextChanged


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Dec 29, 2011

I've been trying to get syntax highlighting for a RichTextBox.I am struggling trying to code it myself, so I looked around a bit, and found a cool .dll file called ColorCode.


So I went into my project and imported the ColorCode.dll file. (Project>Add Reference)However, I don't know how to use it!?Is there anyone out there that has used this .dll file?How can I use it to get Syntax Hilighting in RichTextBox1?

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Jan 9, 2009

I have a richtextbox on my form and currently have made a simple syntax highlighting for it. It works great with a small amount of text but as the text amount increases it starts flashing and locks the textbox while typing.

This is my current code. I call the sub on the textchanged event.Basically what happens is I have a list of words that it checks for and if it finds it, it colors the word.


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Aug 1, 2011

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Sep 29, 2010

I need help Related to this form [URL]...Related to that topic Using the same code how can i add more then one color so how can i add it more then once So like words = the and bob ect... but I make a new dim call it words 2 = for next then ect... diffrent color I do this and it cancels out the blue the first one, so like this


So then i try it purple works but now blue does not..i know its possible with this one! All i want is to be able to add other words in a different color! Because this code works like a charm

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Sep 6, 2010

I have the following

Private Sub RichTextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RichTextBox1.TextChanged
Dim words As List(Of String) = New List(Of String)(New String() {"select", "insert", "delete", "truncate", _
"from", "where", "into", "inner", "update", "outer", "on", "is", "declare", "set", "use", "values", "as", _


The only problem is that if I type one of the key words, the word highlights, but if i type a word with one of the key words within it, part of it gets highlights as well.Example:


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Ok, So i am building a code editor for a new Multi-Player modification thats being coded (IV-MP), And i was looking into making the syntax of the code highlight, Like it dose on this picture:

The code is 'Squirrel', But i totally have no clue on how to make it highlight like in those pictures, And all the code would be in a large Rich textbox.

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i've started with:
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Apr 1, 2011

Dim listbox1 As New ListBox
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[Code] .....
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Mar 11, 2010

You probably got annoyed when you read the title, it must have been asked a million times. But unfortunatly I cant get it working for myself. Ive been using this code to highlight the word "var":

Dim search As String = "var"
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If (index <> -1) Then


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Oct 14, 2009

While I do know the above goal is rather challenging to achieve, I know it can be done.What the one I made does:It compares each word to a word from the list, if its a match, it will physically select the text and change the color, and finally it will return the carat to the position it was in when it highlighted.

Issues with this: Flickering. It always flickers. I managed to reduce the flicker by making the thread sleep for 50 milliseconds, but I could not get rid of it entirely (it didn't noticeably slow down typing either). Now, another thing that I tried was using a second RichTextBox to have the highlighting occur to that, but that made no obvious differences at all.Scrolling. It will scroll the RichTextBox if the amount of text is big enough to cause scrollbars to appear.Deleting text. If you delete part of a word which has been highlighted, itll retain the color formatting even if the word is now changed. Itll also physically select the entire word, which baffles me endlessly.Closing the window. Since the highlight subroutine is called whenever the RichTextBox's TextChanged event is called, apparently it is fired when the window closes? However, since the window is closing, it slows down the entire process, so with a larger file it may take 5-10 seconds to go through and highlight each keyword.

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EDIT: Is there another component which would be better for this than a RichTextBox?

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Aug 7, 2009

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