如何更改RichTextBox选择的文本颜色？ C＃

Question

How to change richtextbox selected Text Color?

when select text by mouse and change color by click on context menu item!

private void ContextMenuItem_Click(object sender, EventArgs e)
        {
            ColorDialog c = new ColorDialog();
            if (c.ShowDialog() == DialogResult.OK)
            {
                if (text.SelectedText != null)
                {
                    // how coding for here?
                }
            }
        }

Answer 1

This should work

if(!string.IsNullOrEmpty(text.SelectedText))
{
 text.SelectionColor = c.Color;
}