/// <summary>
/// 改变richTextBox中指定字符串的颜色
/// 调用即可
/// </summary>
/// <param name="str" value="为指定的字符串"></param>
public int changeColor(string[] str)
{
ArrayList list = null;
int b = 0;
for (int i = 0; i < str.Length; i++)
{
list = RichTextBoxHelper.getIndexArray(richTextBox1.Text.ToLower(), str[i]);
b += list.Count;
}
for (int i = 0; i < str.Length; i++)
{
list = RichTextBoxHelper.getIndexArray(richTextBox1.Text.ToLower(), str[i]);
if (list.Count == 0)
{
continue;
}
if (a == b)
{
richTextBox1.SelectionColor = Color.Empty;
return(b);
}
for (int j = 0; j < list.Count; j++)
{
int index = (int)list[j];
richTextBox1.Select(index, str[i].Length);
richTextBox1.SelectionColor = Color.Blue;
this.richTextBox1.Focus();
//设置光标的位置到文本尾
this.richTextBox1.Select(this.richTextBox1.TextLength, 0);
//滚动到控件光标处
this.richTextBox1.ScrollToCaret();
richTextBox1.SelectionColor = Color.Empty;
}
}
return(b);
}