C#用richTextBox1控件实现实时搜索功能,并提示 C#用richTextBox1控件实现实时搜索功能,并提示 private int currentIndex = 0; private string searchKey; private bool isFound = false; private void button4_Click(ob 阅读全文 C# 2019-01-13 820 0 crichTextBox1