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How to highlight text in richtextbox?

i need help,i need to highlight custom words in richtextbox (Visual Studio WinForms) like if in richtextbox printed "hello",hello word will be blue color,it says,if printed "hello all",only hello word be a blue color.

4/19/2018 1:05:49 PM


1 Answer

New Answer


int blockStart = 1; // where to start int blockLength = 5; // hello is 5 letters richTextBox1.SelectionStart = blockStart; richTextBox1.SelectionLength = blockLength; richTextBox1.SelectionBackColor = Color.Blue;