highlighting

I have a small problem which I hope you can help me with I have a RichTextBox which contains a small amount of text entered by the user I have written the code to highlight certain words as they are being entered, similar to syntax highlighting The problem is that the RichTextBox undo history...

Hi all, I am newbie in vb.net and have been involved in designing a windows application. I want to render the pdf document within vb.net form and highlight certain keywords.I read about AxAcroPDFLib.AxAcroPDF and tested it, but it does not seem to give text searching capability.I will be...