C # setting RichTextBox a section of text color

Suppose the RichTextBox1 text is "Hello, I Love you China" and want to turn China into red, then

Can be found first in the position is 7; the position of the country is 8

Set richtextbox1.selectionstart=7; RichTextBox1.rich.SelectionLength = 8;

Then set the text color of this paragraph

Rich. SelectionBackColor = Color.fromname ("Red"); The Color.fromname () method converts a string to the corresponding color property, which is very convenient

Rich. Focus (); Finally get focus (if you need to do a later stain, get focus in order to activate the control)

C # setting RichTextBox a section of text color