如何仅从 TextBox 获取新文本? [英] How to get only NEW text from TextBox?

问题描述

private void tbLog_TextChanged(object sender, TextChangedEventArgs e)
{
    //Get only NEW text added to Log
}

/*
    LOG
    old message...
    old message...
    old message...
    old message...
    NEW message...
    NEW message...
    NEW message...
    NEW message...
    NEW message...
*/  

如何只从文本框中获取新文本?

How to I get only NEW text from the TextBox?

推荐答案

类似的事情?

private string old_text = "";

private void tbLog_TextChanged(object sender, TextChangedEventArgs e)
{
    if(old_text != tbLog.Text)
    {
        writeLog(tbLog.Text);
        old_text = tbLog.Text;
    }
}

这篇关于如何仅从 TextBox 获取新文本?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！