If I want to upload a text file into the textbox and want to highlight certain words with a font color change, how can I do that without drawing the text?
Thank you.
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1Is that a textbox or richtextbox?Theresa– Theresa2010-05-11 18:49:11 +00:00Commented May 11, 2010 at 18:49
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2Using what technology? WinForms? WPF?Eric J.– Eric J.2010-05-11 18:50:06 +00:00Commented May 11, 2010 at 18:50
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This question can't be answered without at least telling us whether you're asking about a desktop or a web application. (I suspect it's the latter.)Jon Seigel– Jon Seigel2010-05-11 20:19:33 +00:00Commented May 11, 2010 at 20:19
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I am running this on Visual Studio, C# Windows Application. And I am working with the regular textbox from the tool menu.George Tyler– George Tyler2010-05-11 20:21:58 +00:00Commented May 11, 2010 at 20:21
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You cannot do it with a regular textbox control. RTB required.Hans Passant– Hans Passant2010-05-11 20:58:02 +00:00Commented May 11, 2010 at 20:58
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2 Answers
Assuming WinForms, the ForeColor property allows to change all the text in the TextBox (not just what you're about to add):
TextBox.ForeColor = Color.Red;
To only change the color of certain words, look at RichTextBox.
answered May 11, 2010 at 19:04
Will Marcouiller
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7 Comments
Ander Biguri
this does not "highlight certain words" but changes the colour of all words. I don't think this is a correct answer
Will Marcouiller
The OP has clearly specified that he wants to highlight through a
font colour change... So all he needs to do is change the colour.Ander Biguri
But he specified "highlight certain words" and if you change the ForeColor of the Text, all the text will change, not the "certain words".
Will Marcouiller
@AnderBiguri: I believe the RichTextBox can do it, though I have never used it myself. You're maybe right about the "certain words", though.
WhatsThePoint
it depends on if by highlighting he meant changing text colour or highlighting like with a highlighter
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RichTextBox will allow you to use html to specify the color. Another alternative is using a listbox and using the DrawItem event to draw how you would like. AFAIK, textbox itself can't be used in the way you're hoping.
