How programatically set text styling in ms word?

Question

Situation:
I\'m working with MS Word document\'s contents. I\'m changing color of some words according to some rule. Words coloring occurs on each KeyPress event.

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Answer 1

To set default color you have two options:

//really default color:
r.Font.ColorIndex = Word.WdColorIndex.wdAuto;

//assuming default is black- set it to black
r.Font.ColorIndex = Word.WdColorIndex.wdBlack;

Edit. To set the color back to default as of selected range you could try this code:

Word.Application.Selection.Font.ColorIndex = Word.WdColorIndex.wdAuto;

It doesn't refer to active document but to Selection of the application. After you run it next words are written in default color.